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  • Data sheet 450001 englisch (english)

    ARI-STEVI 450 / 451

    Electric actuator ARI-PREMIO

    Enclosure IP 65

    2 torque switches

    Handwheel

    Additional devices available, e.g. potentiometer

    Page 2

    ARI-STEVI 450 / 451

    Electric actuator AUMA SAR

    Electric multiturn actuator capable of high closing pressures

    Enclosure IP 67

    2 torque switches

    2 travel switches

    Handwheel

    Overheating protection for motor as standard

    Additional devices available, e.g. potentiometer

    Explosion proof version available

    Page 6

    ARI-STEVI 450 / 451

    Pneumatic actuator ARI-DP

    Reversible pneumatic actuator

    Actuator with rolling diaphragm

    Air supply pressure max. 6 bar

    Stem protection by bellow

    Maintenance-free O-ring sealing

    Assembly of additional devices acc. to DIN IEC 60534-6

    Page 14

    ARI-STEVI 450 / 451with electric and pneumatic actuators

    Control valve - 3-way with flanges (3-way mixing valve / 3-way diverting valve)

    DN 15 - 150

    Fig. 450

    Fig. 451

    Features:

    Compact design

    Precision guided stem

    Burnished stem

    Tapered seat ring

    Seat options available

    Reducible kvs-values

    Rangeability 30 : 1

    Guided plug

    Spring loaded PTFE-V ring packing unit

    Two-ply bellows seal as standard

    Travel indicator

    Edition 12/07 - Data subject to alteration

    Wrtsil id: WDAAA303596 a

  • 2ARI-STEVI 450 / 451Electric actuator ARI-PREMIO

    Control valve in 3-way-form with electric actuator ARI-PREMIO (3-way mixing valve / 3-way diverting valve)

    Fig. 450

    Fig. 451

    Figure Nominal pressure Material Nominal diameter

    12.450 / 12.451 PN16 EN-JL1040 DN15-100

    22.450 / 22.451 PN16 EN-JS1049 DN15-150

    23.450 / 23.451 PN25 EN-JS1049 DN15-150

    34.450 / 34.451 PN25 1.0619+N DN15-150

    35.450 / 35.451 PN40 1.0619+N DN15-150

    55.450 / 55.451 PN40 1.4408DN15-150 (55.451 to DN100)

    Other materials and versions on request.

    Construction

    3-way mixing valve (DN15-150)

    3-way diverting valve (DN40-150)

    (Operating mode refer to page 24)

    Stem sealing

    Fig. 450: PTFE-V-ring unit -10C up to +220C

    PTFE-packing -10C up to +250C

    Pure graphite-packing -10C up to +450C

    Fig. 451: Stainless steel bellows seal with safety stuffing box -60C up to +450C

    Plug design standard:

    Parabolic plug, metal seat / V-port plug, metal seat

    Guiding

    Stem and port guiding

    Flow characteristic

    linear

    Rangeability

    30 : 1

    Shut off class (seat / plug leakage classes)

    Metal seat - Leakage class IV acc. to DIN EN 1349 or IEC 60534-4

    Closing pressures refer to page 4.

    Technical data for actuator refer to data sheet.

    Selection of possible applications

    Industrial installations, processing technology, plant manufacturing, etc. (other applications on request)

    Selection of possible flow media

    Fig. 450: Cooling water, cooling brine, warm water, hot water, steam, gas, etc.

    Fig. 451: Refrigerant, cooling water, warm water, hot water, thermal oil, steam, gas, etc.

    (other flow media on request)

    Edition 12/07 - Data subject to alteration

    Diverting plug DN40 upwards

    (Further information refer to page 24)

    Wrtsil id: WDAAA303596 a

  • 3Dimensions and weights

    DN 15 20 25 32 40 50 65 80 100 125 150

    L (mm) 130 150 160 180 200 230 290 310 350 400 480

    H2 (mm) 65 70 75 80 90 100 120 130 150 200 210

    Fig. 450 H (mm) 564 564 568 594 600 598 634 650 669 738 800

    ARI-PREMIO 2,2 kNPN16 (kg) 10,5 11,5 12,5 15,1 18,4 22,2 28,9 35,4 52 73 --

    PN25/40 (kg) 11 12,1 13,1 16 19,6 23,7 31 38 56 100 --

    ARI-PREMIO 5 kNPN16 (kg) 11,6 12,6 13,6 16,2 19,5 23,3 30 36,5 53 74 101

    PN25/40 (kg) 12,1 13,2 14,2 17,1 20,7 24,8 32,1 39,1 57 101 144

    H (mm) -- -- 718 744 750 748 784 800 819 886 948

    ARI-PREMIO 12 kN

    ARI-PREMIO 15 kN

    PN16 (kg) -- -- 17,6 20,2 23,5 27,3 34 40,5 57 78 105

    PN25/40 (kg) -- -- 18,2 21,1 24,7 28,8 36,1 43,1 61 105 148

    Fig. 451 H (mm) 749 749 753 779 769 763 869 882 898 1093 1126

    ARI-PREMIO 2,2 kNPN16 (kg) 13,5 14,5 15,7 18,1 22,9 26,1 35,2 45,1 63 -- --

    PN25/40 (kg) 14,2 15,3 16,6 19,2 24,5 28 37,9 48,7 68 -- --

    ARI-PREMIO 5 kNPN16 (kg) 14,6 15,6 16,8 19,2 24 27,2 36,3 46,2 64 84 111

    PN25/40 (kg) 15,3 16,4 17,7 20,3 25,6 29,1 39 49,8 69 112 155

    H (mm) -- -- 903 929 919 913 1019 1032 1048 1241 1274

    ARI-PREMIO 12 kN

    ARI-PREMIO 15 kN

    PN16 (kg) -- -- 20,8 23,2 28 31,2 40,3 50,2 68 88 115

    PN25/40 (kg) -- -- 21,7 24,3 29,6 33,1 43 53,8 73 116 159

    Standard-flange dimensions refer to page 23.

    Face-to-face dimension FTF series 1 according to DIN EN 558-1

    Parts

    Pos. DescriptionFig. 12.450 Fig. 12.451

    Fig. 22.450 / Fig. 23.450 Fig. 22.451 / Fig. 23.451

    Fig. 34.450 / Fig. 35.450 Fig. 34.451 / Fig. 35.451

    Fig. 55.450 Fig. 55.451

    1 Body EN-GJL-250 , EN-JL1040 EN-GJS-400-18U-LT, EN-JS1049 GP240GH+N, 1.0619+N GX5CrNiMo19-11-2, 1.4408

    1.2 Seat ring X20Cr13+QT, 1.4021+QT --

    2 Seat ring * X20Cr13+QT, 1.4021+QT X6CrNiMoTi17-12-2, 1.4571

    3 Plug * X20Cr13+QT, 1.4021+QT X6CrNiMoTi17-12-2, 1.4571

    4 Hexagon nut * 8-A2B --

    5 Stem * X20Cr13+QT, 1.4021+QT X6CrNiMoTi17-12-2, 1.4571

    6 Straight pin * X10CrNi18-8, 1.4310 A2

    7 Mounting bonnet EN-GJS-400-18U-LT, EN-JS1049 GP240GH+N, 1.0619+NGX5CrNiMo19-11-2, 1.4408

    8 Guide bushing X20Cr13+QT, 1.4021+QT (hardened) X6CrNiMoTi17-12-2, 1.4571

    9 Gasket * Pure graphite (CrNi laminated with graphite)

    10 Studs 25CrMo4, 1.7218 A4 - 70

    11 Hexagon nuts C35E, 1.1181 A4

    12 V-ring unit * PTFE

    14 Washer * X5CrNi18-10, 1.4301

    15 Spring * X10CrNi18-8, 1.4310

    16 Bushing * PTFE (reinforced)

    17 Sealing ring * Cu / Soft iron X6CrNiMoTi17-12-2, 1.4571

    18 Scraper * PTFE (reinforced)

    19 Screw joint * X8CrNiS18-9, 1.4305

    20.1 Bellows housing EN-GJS-400-18U-LT, EN-JS1049 GP240GH+N, 1.0619+N GX5CrNiMo19-11-2, 1.4408

    20.2 Mounting bonnet EN-GJS-400-18U-LT, EN-JS1049 GP240GH+N, 1.0619+N GX5CrNiMo19-11-2, 1.4408

    20.3 Stem- / Bellows unit * X20Cr13+QT, 1.4021+QT / X6CrNiTi18-10, 1.4541 X6CrNiMoTi17-12-2, 1.4571

    20.4 Guide bushing X20Cr13+QT, 1.4021+QT (hardened) X6CrNiMoTi17-12-2, 1.4571

    20.5 Guide bushing X20Cr13+QT, 1.4021+QT (hardened) X6CrNiMoTi17-12-2, 1.4571

    20.6 Gasket * Pure graphite (CrNi laminated with graphite)

    20.7 Studs 25CrMo4, 1.7218 A4 - 70

    20.8 Hexagon nuts C35E, 1.1181 A4

    20.10 Packing ring * Pure graphite

    20.12 Washer * X5CrNi18-10, 1.4301

    20.17 Screw joint * X8CrNiS18-9, 1.4305

    31 Plug * X20Cr13+QT, 1.4021+QT X6CrNiMoTi17-12-2, 1.4571

    32 Distance bush * X5CrNi18-10, 1.4301

    37 Stem adapter * X20Cr13+QT, 1.4021+QT X6CrNiMoTi17-12-2, 1.4571

    38 Stem adapter * X20Cr13+QT, 1.4021+QT X6CrNiMoTi17-12-2, 1.4571

    40 Plug * X20Cr13+QT, 1.4021+QT X6CrNiMoTi17-12-2, 1.4571

    41 Stem * X20Cr13+QT, 1.4021+QT X6CrNiMoTi17-12-2, 1.4571

    60 Hexagon nut * -- A4

    61 Locking washer set -- A4

    * Spare parts

    Information / restriction of technical rules need to be observed!

    ARI-Valves of EN-JL1040 are not allowed to be operated in systems acc. to TRD 110.

    A production allowance acc. to TRB 801 No. 45 exists (acc. to TRB 801 No. 45 EN-JL1040 is not allowed.)

    The engineer, designing a system or a plant, is responsible for the selection of the correct valve.

    ARI-STEVI 450 / 451Electric actuator ARI-PREMIO

    Edition 12/07 - Data subject to alteration

    Wrtsil id: WDAAA303596 a

  • 4max. permissible closing pressures for both seat positions on flow-to-open P2 = 0 (Observe regulations, refer to page 23.)

    Mixing function DN 15 20 25 32 40 50 65 80 100 125 150

    Seat- A/B (mm) 21/20 21/25 27/27 31/32 41/40 51/50 66/60 81/75 101/95 120/120 140/140

    Standard Kvs-values 4 6,3 10 16 25 40 63 100 160 250 320

    Reduced Kvs-values 3) 2,5 4 6,3 10 16 25 40 63 100 160 250

    Travel (mm) 20 30 50

    Actuator 1)

    ARI-PREMIO 2,2 kN

    Closing pressure (bar)

    I. 40 35,9 30,8 21,7 12,8 8 4,3 2,7 1,5

    II. 40 33,7 28,8 20,2 11,9 7,4 3,9 2,3 1,3

    III. 30,7 30,1 27,1 19,1 10,6 6,5 3,6 2,2 1,2

    Operating time 2) (s) (Op. speed 0,38 mm/s)

    53 79

    Actuator 1)

    ARI-PREMIO 5 kN

    Closing pressure (bar)

    I. 40 40 40 33,2 21,3 12,3 8 4,9 3,4 2,4

    II. 40 40 40 32,3 20,7 11,9 7,6 4,7 3,2 2,3

    III. 40 40 40 40 31 19,8 11,6 7,5 4,6 3 2,1

    Operating time 2) (s) (Op. speed 0,38 mm/s)

    53 79 132

    Actuator 1)

    ARI-PREMIO 12 kN

    Closing pressure (bar)

    I. 40 40 32,3 21,2 13,5 9,5 6,9

    II. 40 40 31,8 20,9 13,3 9,3 6,8

    III. 40 40 31,6 20,7 13,2 9,1 6,6

    Operating time 2) (s) (Op. speed 0,79 mm/s)

    25 38 63

    Actuator 1)

    ARI-PREMIO 15 kN

    Closing pressure (bar)

    I. 40 26,9 17,2 12,1 8,8

    II. 40 26,6 17 11,9 8,7

    III. 40 26,4 16,9 11,7 8,5

    Operating time 2) (s) (Op. speed 0,38 mm/s)

    79 132

    I. Fig. 450: PTFE-V-ring unit; II. Fig. 450: PTFE- / Pure graphite-packing; III. Fig. 451: Bellows seal

    Diverting function

    DN 15 20 25 32 40 50 65 80 100 125 150

    Seat- A/B (mm) 21/20 21/25 27/27 31/32 40/40 50/50 60/60 75/75 90/90 105/105 125/125

    Standard Kvs-values 4 6,3 10 16 14 25 45 60 95 170 200

    Reduced Kvs-values 3) 2,5 4 6,3 10 -- -- -- -- -- -- --

    Travel (mm) 20 30

    Actuator 1)

    ARI-PREMIO 2,2 kN

    Closing pressure (bar)

    I. 25,7 18 15,4 10,8 13,4 8,2 5,4 3,2 2 1,3

    II. 24,1 16,8 14,4 10,1 12,5 7,6 4,8 2,8 1,8 1,1

    III. 15,4 15 13,6 9,5 11,1 6,8 4,5 2,6 1,6

    Operating time 2) (s) (Op. speed 0,38 mm/s)

    53 79

    Actuator 1)

    ARI-PREMIO 5 kN

    Closing pressure (bar)

    I. 40 40 38,5 27,4 34,6 21,9 15 9,4 6,4 4,5 3,1

    II. 40 40 37,5 26,7 33,7 21,3 14,4 9 6,1 4,3 2,9

    III. 40 40 36,6 26,1 32,3 20,4 14,1 8,8 6 4 2,7

    Operating time 2) (s) (Op. speed 0,38 mm/s)

    53 79

    Actuator 1)

    ARI-PREMIO 12 kN

    Closing pressure (bar)

    I. 40 40 40 40 38,9 24,8 17,1 12,3 8,6

    II. 40 40 40 40 38,4 24,4 16,9 12,1 8,5

    III. 40 40 40 40 38 24,2 16,7 11,9 8,3

    Operating time 2) (s) (Op. speed 0,79 mm/s)

    25 38

    Actuator 1)

    ARI-PREMIO 15 kN

    Closing pressure (bar)

    I. 40 31,4 21,7 15,7 11

    II. 40 31,1 21,5 15,5 10,9

    III. 40 30,8 21,3 15,3 10,7

    Operating time 2) (s) (Op. speed 0,38 mm/s)

    79

    I. Fig. 450: PTFE-V-ring unit; II. Fig. 450: PTFE- / Pure graphite-packing; III. Fig. 451: Bellows seal

    1) Motor voltage: 230V 50Hz Other voltages: 24V 50/60Hz; 115V 50/60Hz; 230V 60Hz Technical data for actuator refer to data sheet ARI-PREMIO.

    2) Indicated operating times with 50Hz.3) Kvs-value reducible on request (2 screwed seat rings required) (refer to page 24).

    ARI-STEVI 450 / 451Closing pressures: Electric actuator ARI-PREMIO

    Edition 12/07 - Data subject to alteration

    Wrtsil id: WDAAA303596 a

  • 5Edition 12/07 - Data subject to alteration

    ARI-STEVI 450 / 451Notes

    Wrtsil id: WDAAA303596 a

  • 6 Edition 12/07 - Data subject to alteration

    ARI-STEVI 450 / 451Electric actuator Auma SAR (MATIC)

    Control valve in 3-way-form with electric actuator AUMA (3-way mixing valve / 3-way diverting valve)

    Fig. 450

    Fig. 451

    Figure Nominal pressure Material Nominal diameter

    12.450 / 12.451 PN16 EN-JL1040 DN40-100

    22.450 / 22.451 PN16 EN-JS1049 DN40-150

    23.450 / 23.451 PN25 EN-JS1049 DN40-150

    34.450 / 34.451 PN25 1.0619+N DN40-150

    35.450 / 35.451 PN40 1.0619+N DN40-150

    55.450 / 55.451PN40 1.4408 DN40-150

    (55.451 to DN100)

    Other materials and versions on request.

    Construction

    3-way mixing valve (DN15-150)

    3-way diverting valve (DN40-150)

    (Operating mode refer to page 24)

    Stem sealing

    Fig. 450: PTFE-V-ring unit -10C up to +220C

    PTFE-packing -10C up to +250C

    Pure graphite-packing -10C up to +450C

    Fig. 451: Stainless steel bellows seal with safety stuffing box -60C up to +450C

    Plug design standard:

    Parabolic plug, metal seat / V-port plug, metal seat

    Guiding

    Stem and port guiding

    Flow characteristic

    linear

    Rangeability

    30 : 1

    Shut off class (seat / plug leakage classes)

    Metal seat - Leakage class IV acc. to DIN EN 1349 or IEC 60534-4

    Closing pressures refer to page 8.

    Technical data for actuator refer to data sheet.

    Selection of possible applications

    Industrial installations, processing technology, plant manufacturing, etc. (other applications on request)

    Selection of possible flow media

    Fig. 450: Cooling water, cooling brine, warm water, hot water, steam, gas, etc.

    Fig. 451: Refrigerant, cooling water, warm water, hot water, thermal oil, steam, gas, etc.

    (other flow media on request)

    Diverting plug DN40 upwards

    (Further information refer to page 24)

    Wrtsil id: WDAAA303596 a

  • 7Edition 12/07 - Data subject to alteration

    Parts

    Pos. DescriptionFig. 12.450 Fig. 12.451

    Fig. 22.450 / Fig. 23.450 Fig. 22.451 / Fig. 23.451

    Fig. 34.450 / Fig. 35.450 Fig. 34.451 / Fig. 35.451

    Fig. 55.450 Fig. 55.451

    1 Body EN-GJL-250 , EN-JL1040 EN-GJS-400-18U-LT, EN-JS1049 GP240GH+N, 1.0619+N GX5CrNiMo19-11-2, 1.4408

    1.2 Seat ring X20Cr13+QT, 1.4021+QT --

    2 Seat ring * X20Cr13+QT, 1.4021+QT X6CrNiMoTi17-12-2, 1.4571

    3 Plug * X20Cr13+QT, 1.4021+QT X6CrNiMoTi17-12-2, 1.4571

    4 Hexagon nut * 8-A2B --

    5 Stem * X20Cr13+QT, 1.4021+QT X6CrNiMoTi17-12-2, 1.4571

    6 Straight pin * X10CrNi18-8, 1.4310 A2

    7 Mounting bonnet EN-GJS-400-18U-LT, EN-JS1049 GP240GH+N, 1.0619+N GX5CrNiMo19-11-2, 1.4408

    8 Guide bushing X20Cr13+QT, 1.4021+QT (hardened) X6CrNiMoTi17-12-2, 1.4571

    9 Gasket * Pure graphite (CrNi laminated with graphite)

    10 Studs 25CrMo4, 1.7218 A4 - 70

    11 Hexagon nuts C35E, 1.1181 A4

    12 V-ring unit * PTFE

    14 Washer * X5CrNi18-10, 1.4301

    15 Spring * X10CrNi18-8, 1.4310

    16 Bushing * PTFE (reinforced)

    17 Sealing ring * Cu / Soft iron X6CrNiMoTi17-12-2, 1.4571

    18 Scraper * PTFE (reinforced)

    19 Screw joint * X8CrNiS18-9, 1.4305

    20.1 Bellows housing EN-GJS-400-18U-LT, EN-JS1049 GP240GH+N, 1.0619+N GX5CrNiMo19-11-2, 1.4408

    20.2 Mounting bonnet EN-GJS-400-18U-LT, EN-JS1049 GP240GH+N, 1.0619+N GX5CrNiMo19-11-2, 1.4408

    20.3 Stem- / Bellows unit * X20Cr13+QT, 1.4021+QT / X6CrNiTi18-10, 1.4541 X6CrNiMoTi17-12-2, 1.4571

    20.4 Guide bushing X20Cr13+QT, 1.4021+QT (hardened) X6CrNiMoTi17-12-2, 1.4571

    20.5 Guide bushing X20Cr13+QT, 1.4021+QT (hardened) X6CrNiMoTi17-12-2, 1.4571

    20.6 Gasket * Pure graphite (CrNi laminated with graphite)

    20.7 Studs 25CrMo4, 1.7218 A4 - 70

    20.8 Hexagon nuts C35E, 1.1181 A4

    20.10 Packing ring * Pure graphite

    20.12 Washer * X5CrNi18-10, 1.4301

    20.17 Screw joint * X8CrNiS18-9, 1.4305

    31 Plug * X20Cr13+QT, 1.4021+QT X6CrNiMoTi17-12-2, 1.4571

    32 Distance bush * X5CrNi18-10, 1.4301

    37 Stem adapter * X20Cr13+QT, 1.4021+QT X6CrNiMoTi17-12-2, 1.4571

    38 Stem adapter * X20Cr13+QT, 1.4021+QT X6CrNiMoTi17-12-2, 1.4571

    40 Plug * X20Cr13+QT, 1.4021+QT X6CrNiMoTi17-12-2, 1.4571

    41 Stem * X20Cr13+QT, 1.4021+QT X6CrNiMoTi17-12-2, 1.4571

    60 Hexagon nut * -- A4

    61 Locking washer set -- A4

    * Spare parts

    Information / restriction of technical rules need to be observed!

    ARI-Valves of EN-JL1040 are not allowed to be operated in systems acc. to TRD 110.

    A production allowance acc. to TRB 801 No. 45 exists (acc. to TRB 801 No. 45 EN-JL1040 is not allowed.)

    The engineer, designing a system or a plant, is responsible for the selection of the correct valve.

    ARI-STEVI 450 / 451Electric actuator Auma SAR (MATIC)

    Dimensions and weights

    DN 40 50 65 80 100 125 150

    L (mm) 200 230 290 310 350 400 480

    H2 (mm) 90 100 120 130 150 200 210

    Fig. 450 H (mm) 640 638 674 690 709 756 818

    AUMA SAR 07.1 AUMA SAR 07.5

    PN16 (kg) 39,3 44,6 51,3 57,8 74 95 123

    PN25/40 (kg) 40,5 46,1 53,4 60,4 78 123 165

    H (mm) -- -- 686 702 721 768 830

    AUMA SAR 10.1PN16 (kg) -- -- 55,8 62,3 79 100 127

    PN25/40 (kg) -- -- 57,9 64,9 83 127 170

    Fig. 451 H (mm) 809 803 909 922 938 1111 1144

    AUMA SAR 07.1 AUMA SAR 07.5

    PN16 (kg) 43,8 48,5 57,6 67,5 85 105 133

    PN25/40 (kg) 45,4 50,4 60,3 71,1 90 133 176

    H (mm) -- -- -- -- -- 1123 1156

    AUMA SAR 10.1 PN16 (kg) -- -- -- -- -- 110 137

    PN25/40 (kg) -- -- -- -- -- 138 180

    Standard-flange dimensions refer to page 23. (For version with AUMA SAR Ex other heights.)

    Face-to-face dimension FTF series 1 according to DIN EN 558-1

    Wrtsil id: WDAAA303596 a

  • 8max. permissible closing pressures for both seat positions on flow-to-open P2 = 0 (Observe regulations, refer to page 23.)

    Fig. 450

    Mixing function DN 40 50 65 80 100 125 150

    Seat- A/B (mm) 41/40 51/50 66/60 81/75 101/95 120/120 140/140

    Standard Kvs-values 25 40 63 100 160 250 320

    Reduced Kvs-values 3) 16 25 40 63 100 160 250

    Travel (mm) 20 30 50

    Actuator 1)

    AUMA SAR 07.1 Output drive Form A TR 20 x 4

    Closing pressure (bar) I./II.

    shut off 40 40 40 29,7 19

    controlling 40 36,5 21,4 14 8,8

    Torque (Nm) 15 20 30 30 30

    Operating time 2) (s) 54 56

    Output drive (rpm) 5,6 8

    Actuator 1)

    AUMA SAR 07.5 Output drive Form A TR 26 x 5

    Closing pressure (bar) I./II.

    shut off 40 40 40 26,9 18,9 13,8

    controlling 40 30,5 20 12,8 8,9 6,5

    Torque (Nm) 30 40 60 60 60 60

    Operating time 2) (s) 43 64 55

    Output drive (rpm) 5,6 5,6 11

    Actuator 1)

    AUMA SAR 10.1 Output drive Form A TR 26 x 5

    Closing pressure (bar) I./II.

    shut off 40 40 31,6 32,3 23,7

    controlling 40 40 26,9 18,9 13,8

    Torque (Nm) 60 60 70 100 100

    Operating time 2) (s) 64 55

    Output drive (rpm) 5,6 11

    I. Fig. 450: PTFE-V-ring unit; II. Fig. 450: PTFE- / Pure graphite-packing

    Diverting function

    DN 40 50 65 80 100 125 150

    Seat- (mm) 40/40 50/50 60/60 75/75 90/90 105/105 125/125

    Standard Kvs-values 14 25 45 60 95 170 200

    Reduced Kvs-values 3) -- -- -- -- -- -- --

    Travel (mm) 20 30

    Actuator 1)

    AUMA SAR 07.1 Output drive Form A TR 20 x 4

    Closing pressure (bar) I./II.

    shut off 40 40 40 34,7 24 17,4 12,2

    controlling 40 37,6 25,8 16,4 11,2 8 5,6

    Torque (Nm) 15 20 30 30 30 30 30

    Operating time 2) (s) 54 56

    Output drive (rpm) 5,6 8

    Actuator 1)

    AUMA SAR 07.5 Output drive Form A TR 26 x 5

    Closing pressure (bar) I./II.

    shut off 40 40 40 33,9 24,6 17,3

    controlling 40 36,8 23,4 16,2 11,6 8,1

    Torque (Nm) 30 35 50 60 60 60

    Operating time 2) (s) 43 64

    Output drive (rpm) 5,6 5,6

    Actuator 1)

    AUMA SAR 10.1 Output drive Form A TR 26 x 5

    Closing pressure (bar) I./II.

    shut off 40 40 39,8 40 29,5

    controlling 40 40 33,9 24,6 17,3

    Torque (Nm) 60 70 70 100 100

    Operating time 2) (s) 64

    Output drive (rpm) 5,6

    I. Fig. 450: PTFE-V-ring unit; II. Fig. 450: PTFE- / Pure graphite-packing

    ARI-STEVI 450Closing pressures: Electric actuator AUMA SAR

    1) Motor voltage: 400V 50Hz 3~ (Other voltages on request) Technical data for actuator refer to price list.

    2) Indicated operating times with 50Hz.3) Kvs-value reducible on request (2 screwed seat rings required) (refer to page 24).

    Edition 12/07 - Data subject to alteration

    Wrtsil id: WDAAA303596 a

  • 9Edition 12/07 - Data subject to alteration

    max. permissible closing pressures for both seat positions on flow-to-open P2 = 0 (Observe regulations, refer to page 23.)

    Fig. 451

    Mixing function DN 40 50 65 80 100 125 150

    Seat- A/B (mm) 41/40 51/50 66/60 81/75 101/95 120/120 140/140

    Standard Kvs-values 25 40 63 100 160 250 320

    Reduced Kvs-values 3) 16 25 40 63 100 160 250

    Travel (mm) 20 30 50

    Actuator 1)

    AUMA SAR 07.1 Output drive Form A TR 20 x 4

    Closing pressure (bar) III.

    shut off 40 40 40 29,5 18,9

    controlling 40 35,7 21,1 13,8 8,7

    Torque (Nm) 15 20 30 30 30

    Operating time 2) (s) 54 56

    Output drive (rpm) 5,6 8

    Actuator 1)

    AUMA SAR 07.5 Output drive Form A TR 26 x 5

    Closing pressure (bar) III.

    shut off 40 40 30,8 19,7 18,8 13,7

    controlling 40 30,2 19,8 12,6 8,7 6,3

    Torque (Nm) 30 40 45 45 60 60

    Operating time 2) (s) 43 64 55

    Output drive (rpm) 5,6 5,6 11

    Actuator 1)

    AUMA SAR 10.1 Output drive Form A TR 26 x 5

    Closing pressure (bar) III.

    shut off 28,8 21,1

    controlling 18,8 13,7

    Torque (Nm) 90 90

    Operating time 2) (s) 55

    Output drive (rpm) 11

    III. Fig. 451: Bellows seal

    Diverting function

    DN 40 50 65 80 100 125 150

    Seat- (mm) 40/40 50/50 60/60 75/75 90/90 105/105 125/125

    Standard Kvs-values 14 25 45 60 95 170 200

    Reduced Kvs-values 3) -- -- -- -- -- -- --

    Travel (mm) 20 30

    Actuator 1)

    AUMA SAR 07.1 Output drive Form A TR 20 x 4

    Closing pressure (bar) III.

    shut off 40 40 40 34,5 23,9 17,1 12

    controlling 40 36,7 25,5 13,1 11,1 7,8 5,4

    Torque (Nm) 15 20 30 30 30 30 30

    Operating time 2) (s) 54 56

    Output drive (rpm) 5,6 8

    Actuator 1)

    AUMA SAR 07.5 Output drive Form A TR 26 x 5

    Closing pressure (bar) III.

    shut off 40 40 35,9 24,9 24,3 17,1

    controlling 40 36,4 23,2 16 11,4 7,9

    Torque (Nm) 30 35 45 45 60 60

    Operating time 2) (s) 43 64

    Output drive (rpm) 5,6 5,6

    Actuator 1)

    AUMA SAR 10.1 Output drive Form A TR 26 x 5

    Closing pressure (bar) III.

    shut off 37,3 26,3

    controlling 24,3 17,1

    Torque (Nm) 90 90

    Operating time 2) (s) 65

    Output drive (rpm) 5,6

    III. Fig. 451: Bellows seal

    ARI-STEVI 451Closing pressures: Electric actuator AUMA SAR

    1) Motor voltage: 400V 50Hz 3~ (Other voltages on request) Technical data for actuator refer to price list.

    2) Indicated operating times with 50Hz.3) Kvs-value reducible on request (2 screwed seat rings required) (refer to page 24).

    Wrtsil id: WDAAA303596 a

  • 10 Edition 12/07 - Data subject to alteration

    ARI-STEVI 450Electric actuator Auma SAR (MATIC)

    Control valve in 3-way-form with electric actuator AUMA - strengthened design (3-way mixing valve / 3-way diverting valve)

    Fig. 450

    Figure Nominal pressure Material Nominal diameter

    22.450 PN16 EN-JS1049 DN125v-150v

    23.450 PN25 EN-JS1049 DN125v-150v

    34.450 PN25 1.0619+N DN125v-150v

    35.450 PN40 1.0619+N DN125v-150v

    55.450 PN40 1.4408 DN125v-150v

    Other materials and versions on request.

    Construction

    3-way mixing valve (DN15-150)

    3-way diverting valve (DN40-150)

    (Operating mode refer to page 24)

    Stem sealing

    Fig. 450: PTFE-packing -10C up to +250C

    Pure graphite-packing -10C up to +450C

    Plug design standard:

    Parabolic plug, metal seat / V-port plug, metal seat

    Guiding

    Stem and port guiding

    Flow characteristic

    linear

    Rangeability

    30 : 1

    Shut off class (seat / plug leakage classes)

    Metal seat - Leakage class IV acc. to DIN EN 1349 or IEC 60534-4

    Closing pressures refer to page 12.

    Technical data for actuator refer to data sheet.

    Selection of possible applications

    Industrial installations, processing technology, plant manufacturing, etc. (other applications on request)

    Selection of possible flow media

    Fig. 450: Cooling water, cooling brine, warm water, hot water, steam, gas, etc.

    (other flow media on request)

    Diverting plug DN40 upwards

    (Further information refer to page 24)

    Wrtsil id: WDAAA303596 a

  • 11Edition 12/07 - Data subject to alteration

    Parts

    Pos. DescriptionFig. 22.450 / Fig. 23.450 Fig. 22.451 / Fig. 23.451

    Fig. 34.450 / Fig. 35.450 Fig. 34.451 / Fig. 35.451

    Fig. 55.450

    1 Body EN-GJS-400-18U-LT, EN-JS1049 GP240GH+N, 1.0619+N GX5CrNiMo19-11-2, 1.4408

    2 Seat ring * X20Cr13+QT, 1.4021+QT X6CrNiMoTi17-12-2, 1.4571

    3 Plug * X20Cr13+QT, 1.4021+QT X6CrNiMoTi17-12-2, 1.4571

    4 Hexagon nut * 8-A2B --

    5 Stem * X20Cr13+QT, 1.4021+QT X6CrNiMoTi17-12-2, 1.4571

    8 Guide bushing X20Cr13+QT, 1.4021+QT (hardened) X6CrNiMoTi17-12-2, 1.4571

    9 Gasket * Pure graphite (CrNi laminated with graphite)

    10 Studs 25CrMo4, 1.7218 A4 - 70

    11 Hexagon nuts C35E, 1.1181 A4

    13 Packing ring PTFE or Pure graphite

    14 Washer * X5CrNi18-10, 1.4301

    22 Packing box flange EN-GJS-400-18U-LT, EN-JS1049 --

    23 Studs 25CrMo4, 1.7218 --

    24 Hexagon nuts C35E, 1.1181 --

    31 Plug * X20Cr13+QT, 1.4021+QT X6CrNiMoTi17-12-2, 1.4571

    38 Stem adapter * X20Cr13+QT, 1.4021+QT --

    39 Stuffing box housing P265 GH, 1.0425 / P250 GH, 1.0460 --

    40 Plug * X20Cr13+QT, 1.4021+QT X6CrNiMoTi17-12-2, 1.4571

    41 Stem * X20Cr13+QT, 1.4021+QT X6CrNiMoTi17-12-2, 1.4571

    60 Hexagon nut * -- A4

    61 Locking washer set -- A4

    * Spare parts

    Information / restriction of technical rules need to be observed!

    ARI-Valves of EN-JL1040 are not allowed to be operated in systems acc. to TRD 110.

    A production allowance acc. to TRB 801 No. 45 exists (acc. to TRB 801 No. 45 EN-JL1040 is not allowed.)

    The engineer, designing a system or a plant, is responsible for the selection of the correct valve.

    ARI-STEVI 450Electric actuator Auma SAR (MATIC)

    Dimensions and weights

    DN 125v 150v

    L (mm) 400 480

    H2 (mm) 200 210

    Fig. 450 H (mm) 899 932

    AUMA SAR 14.1 PN16 (kg) 134 161

    PN25/40 (kg) 161 204

    Standard-flange dimensions refer to page 23. (For version with AUMA SAR Ex other heights.)

    Face-to-face dimension FTF series 1 according to DIN EN 558-1

    Wrtsil id: WDAAA303596 a

  • 12

    max. permissible closing pressures for both seat positions on flow-to-open P2 = 0 (Observe regulations, refer to page 23.)

    Fig. 450

    Mixing function DN 125v 150v

    Seat- A/B (mm) 120/120 140/140

    Standard Kvs-values 250 320

    Reduced Kvs-values 3) 160 250

    Travel (mm) 50

    Actuator 1)

    AUMA SAR 14.1 Output drive Form A TR 30 x 6

    Closing pressure (bar) II.

    shut off 40 33,9

    controlling 31,3 22,9

    Torque (Nm) 175 175

    Operating time 2) (s) 63

    Output drive (rpm) 8

    II. Fig. 450: PTFE- / Pure graphite-packing

    Diverting function

    DN 125v 150v

    Seat- (mm) 105/105 125/125

    Standard Kvs-values 170 200

    Reduced Kvs-values 3) -- --

    Travel (mm) 30

    Actuator 1)

    AUMA SAR 14.1 Output drive Form A TR 30 x 6

    Closing pressure (bar) II.

    shut off 40 40

    controlling 40 28,6

    Torque (Nm) 120 175

    Operating time 2) (s) 38

    Output drive (rpm) 8

    II. Fig. 450: PTFE- / Pure graphite-packing

    Fig. 451 with AUMA SAR 14.1 on request.

    ARI-STEVI 450Closing pressures: Electric actuator AUMA SAR

    1) Motor voltage: 400V 50Hz 3~ (Other voltages on request) Technical data for actuator refer to price list.

    2) Indicated operating times with 50Hz.3) Further Kvs-values reducible on request.

    Edition 12/07 - Data subject to alteration

    Wrtsil id: WDAAA303596 a

  • 13Edition 12/07 - Data subject to alteration

    ARI-STEVI 450Notes

    Wrtsil id: WDAAA303596 a

  • 14 Edition 12/07 - Data subject to alteration

    ARI-STEVI 450 / 451Pneumatic actuator ARI-DP

    Control valve in 3-way-form with pneumatic actuator DP (3-way mixing valve / 3-way diverting valve)

    Fig. 450

    Fig. 451

    Figure Nominal pressure Material Nominal diameter

    12.450 / 12.451 PN16 EN-JL1040 DN15-100

    22.450 / 22.451 PN16 EN-JS1049 DN15-150

    23.450 / 23.451 PN25 EN-JS1049 DN15-150

    34.450 / 34.451 PN25 1.0619+N DN15-150

    35.450 / 35.451 PN40 1.0619+N DN15-150

    55.450 / 55.451 PN40 1.4408DN15-150 (55.451 to DN100)

    Other materials and versions on request.

    Construction

    3-way mixing valve (DN15-150)

    3-way diverting valve (DN40-150)

    (Operating mode refer to page 24)

    Stem sealing

    Fig. 450: PTFE-V-ring unit -10C up to +220C

    PTFE-packing -10C up to +250C

    Pure graphite-packing -10C up to +450C

    Fig. 451: Stainless steel bellows seal with safety stuffing box -60C up to +450C

    Plug design standard:

    Parabolic plug, metal seat / V-port plug, metal seat

    Guiding

    Stem and port guiding

    Flow characteristic

    linear

    Rangeability

    30 : 1

    Shut off class (seat / plug leakage classes)

    Metal seat - Leakage class IV acc. to DIN EN 1349 or IEC 60534-4

    Closing pressures refer to page 16.

    Technical data for actuator refer to data sheet.

    Selection of possible applications

    Industrial installations, processing technology, plant manufacturing, etc. (other applications on request)

    Selection of possible flow media

    Fig. 450: Cooling water, cooling brine, warm water, hot water, steam, gas, etc.

    Fig. 451: Refrigerant, cooling water, warm water, hot water, thermal oil, steam, gas, etc.

    (other flow media on request)

    Failure position dependent on valve duty.

    Retracted stem on air failure:

    - with a mixing valve port A -> AB is closed

    - with a diverting valve port B -> AB is closed

    Extended stem on air failure:

    - with a mixing valve port B -> AB is closed

    - with a diverting valve port A -> AB is closed

    Top mounted handwheel

    Actuator DP32 DP33 DP34

    D1 (mm) 225 300 400

    H1 (mm) 270 284 442

    Weight (kg) 5 8 17

    Technical data for actuator refer to data sheet DP32-34Tri.

    Diverting plug DN40 upwards

    (Further information refer to page 24)

    Wrtsil id: WDAAA303596 a

  • 15Edition 12/07 - Data subject to alteration

    Dimensions and weights

    DN 15 20 25 32 40 50 65 80 100 125 150

    L (mm) 130 150 160 180 200 230 290 310 350 400 480

    H2 (mm) 65 70 75 80 90 100 120 130 150 200 210

    DP 32

    A = 250 mm

    H (mm) 450 450 454 480 486 484 520 536 555 602 --

    Fig. 450PN16 (kg) 14,1 15,1 16,1 18,7 22 25,8 32,5 39 56 76 --

    PN25/40 (kg) 14,6 15,7 16,7 19,6 23,2 27,3 34,6 41,6 60 104 --

    H (mm) 635 635 639 665 655 649 755 768 784 -- --

    Fig. 451PN16 (kg) 17,1 18,1 19,3 21,7 26,5 29,7 38,8 48,7 66 -- --

    PN25/40 (kg) 17,8 18,9 20,2 22,8 28,1 31,6 41,5 52,3 72 -- --

    DP 33

    A = 300 mm

    H (mm) 505 505 509 535 541 539 575 591 610 657 719

    Fig. 450PN16 (kg) 20,1 21,1 22,1 24,7 28 31,8 38,5 45 62 82 110

    PN25/40 (kg) 20,6 21,7 22,7 25,6 29,2 33,3 40,6 47,6 66 110 153

    H (mm) 690 690 694 720 710 704 810 823 839 1012 1045

    Fig. 451PN16 (kg) 23,1 24,1 25,3 27,7 32,5 35,7 44,8 54,7 72 92 120

    PN25/40 (kg) 23,8 24,9 26,2 28,8 34,1 37,6 47,5 58,3 78 120 163

    DP 34

    A = 405 mm

    H (mm) -- -- -- -- -- -- 710 726 745 772 834

    Fig. 450PN16 (kg) -- -- -- -- -- -- 68,5 75 92 112 140

    PN25/40 (kg) -- -- -- -- -- -- 70,6 77,6 96 140 183

    H (mm) -- -- -- -- -- -- 945 958 974 1127 1160

    Fig. 451PN16 (kg) -- -- -- -- -- -- 74,8 84,7 102 122 150

    PN25/40 (kg) -- -- -- -- -- -- 77,5 88,3 108 150 193

    Standard-flange dimensions refer to page 23.

    Face-to-face dimension FTF series 1 according to DIN EN 558-1

    ARI-STEVI 450 / 451Pneumatic actuator ARI-DP

    Parts

    Pos. DescriptionFig. 12.450 Fig. 12.451

    Fig. 22.450 / Fig. 23.450 Fig. 22.451 / Fig. 23.451

    Fig. 34.450 / Fig. 35.450 Fig. 34.451 / Fig. 35.451

    Fig. 55.450 Fig. 55.451

    1 Body EN-GJL-250 , EN-JL1040 EN-GJS-400-18U-LT, EN-JS1049 GP240GH+N, 1.0619+N GX5CrNiMo19-11-2, 1.4408

    1.2 Seat ring X20Cr13+QT, 1.4021+QT --

    2 Seat ring * X20Cr13+QT, 1.4021+QT X6CrNiMoTi17-12-2, 1.4571

    3 Plug * X20Cr13+QT, 1.4021+QT X6CrNiMoTi17-12-2, 1.4571

    4 Hexagon nut * 8-A2B --

    5 Stem * X20Cr13+QT, 1.4021+QT X6CrNiMoTi17-12-2, 1.4571

    6 Straight pin * X10CrNi18-8, 1.4310 A2

    7 Mounting bonnet EN-GJS-400-18U-LT, EN-JS1049 GP240GH+N, 1.0619+N GX5CrNiMo19-11-2, 1.4408

    8 Guide bushing X20Cr13+QT, 1.4021+QT (hardened) X6CrNiMoTi17-12-2, 1.4571

    9 Gasket * Pure graphite (CrNi laminated with graphite)

    10 Studs 25CrMo4, 1.7218 A4 - 70

    11 Hexagon nuts C35E, 1.1181 A4

    12 V-ring unit * PTFE

    14 Washer * X5CrNi18-10, 1.4301

    15 Spring * X10CrNi18-8, 1.4310

    16 Bushing * PTFE (reinforced)

    17 Sealing ring * Cu / Soft iron X6CrNiMoTi17-12-2, 1.4571

    18 Scraper * PTFE (reinforced)

    19 Screw joint * X8CrNiS18-9, 1.4305

    20.1 Bellows housing EN-GJS-400-18U-LT, EN-JS1049 GP240GH+N, 1.0619+N GX5CrNiMo19-11-2, 1.4408

    20.2 Mounting bonnet EN-GJS-400-18U-LT, EN-JS1049 GP240GH+N, 1.0619+N GX5CrNiMo19-11-2, 1.4408

    20.3 Stem- / Bellows unit * X20Cr13+QT, 1.4021+QT / X6CrNiTi18-10, 1.4541 X6CrNiMoTi17-12-2, 1.4571

    20.4 Guide bushing X20Cr13+QT, 1.4021+QT (hardened) X6CrNiMoTi17-12-2, 1.4571

    20.5 Guide bushing X20Cr13+QT, 1.4021+QT (hardened) X6CrNiMoTi17-12-2, 1.4571

    20.6 Gasket * Pure graphite (CrNi laminated with graphite)

    20.7 Studs 25CrMo4, 1.7218 A4 - 70

    20.8 Hexagon nuts C35E, 1.1181 A4

    20.10 Packing ring * Pure graphite

    20.12 Washer * X5CrNi18-10, 1.4301

    20.17 Screw joint * X8CrNiS18-9, 1.4305

    31 Plug * X20Cr13+QT, 1.4021+QT X6CrNiMoTi17-12-2, 1.4571

    32 Distance bush * X5CrNi18-10, 1.4301

    37 Stem adapter * X20Cr13+QT, 1.4021+QT X6CrNiMoTi17-12-2, 1.4571

    38 Stem adapter * X20Cr13+QT, 1.4021+QT X6CrNiMoTi17-12-2, 1.4571

    40 Plug * X20Cr13+QT, 1.4021+QT X6CrNiMoTi17-12-2, 1.4571

    41 Stem * X20Cr13+QT, 1.4021+QT X6CrNiMoTi17-12-2, 1.4571

    60 Hexagon nut * -- A4

    61 Locking washer set -- A4

    * Spare parts

    Information / restriction of technical rules need to be observed!

    ARI-Valves of EN-JL1040 are not allowed to be operated in systems acc. to TRD 110.

    A production allowance acc. to TRB 801 No. 45 exists (acc. to TRB 801 No. 45 EN-JL1040 is not allowed.)

    The engineer, designing a system or a plant, is responsible for the selection of the correct valve.

    Wrtsil id: WDAAA303596 a

  • 16

    max. permissible closing pressures for both seat positions on flow-to-open P2 = 0 (Observe regulations, refer to page 23.)

    Spring closes port A -> AB or Spring closes port B -> AB

    Mixing function DN 15 20 25 32 40 50 65 80 100 125 150

    Seat- A/B (mm) 21/20 21/25 27/27 31/32 41/40 51/50 66/60 81/75 101/95 120/120 140/140

    Standard Kvs-values 4 6,3 10 16 25 40 63 100 160 250 320

    Reduced Kvs-values 3) 2,5 4 6,3 10 16 25 40 63 100 160 250

    Travel (mm) 20 30 50

    Act

    uato

    r

    DP

    32

    Spr

    ing

    rang

    e (b

    ar)

    0,2-1,0

    Air

    supp

    ly p

    ress

    ure

    min

    . (ba

    r)

    1,2

    I. 5,5 3,3 2,6 1,4

    II. 2,3 1

    III.

    0,4-1,2 1,6

    I. 18,6 12,6 10,7 7,2 3,9 2,2

    II. 15,4 10,3 8,7 5,8 3 1,6

    III. 8,6 8 7,1 4,6 1,7

    0,8-2,4 3,2

    I. 40 31,4 26,8 18,8 11 6,8 3,7 2,2 1,2

    II. 40 29,1 24,8 17,4 10,2 6,3 3,2 1,9 1

    III. 26,4 25,7 23,2 16,2 8,9 5,4 2,9 1,7

    1,5-2,5 4,0

    I. 40 40 39,1 23,5 15

    II. 40 40 37,7 22,7 14,4

    III. 40 40 40 36,5 21,4 13,6

    2,0-3,3 5,3

    I. 40 32,5 20,8

    II. 40 31,6 20,2

    III. 40 30,3 19,4

    Act

    uato

    r

    DP

    33

    Spr

    ing

    rang

    e (b

    ar)

    0,2-1,0

    Air

    supp

    ly p

    ress

    ure

    min

    . (ba

    r)

    1,2

    I. 13,3 c)4) 8,8 c)4) 7,4 c)4) 4,9 c)4) 2,4 c)4) 1,2 c)4)

    II. 10,1 c)4) 6,5 c)4) 5,4 c)4) 3,4 c)4) 1,6 c)4)

    III. 5 a)4) 4,3 a)4) 3,8 a)4) 2,2 a)4)

    0,4-1,2 1,6

    I. 34,2 c)4) 23,7 c)4) 20,2 c)4) 14,1 c)4) 8,1 c)4) 4,9 c)4) 2,5 4) 1,4 4)

    II. 31 c)4) 21,4 c)4) 18,3 c)4) 12,7 c)4) 7,3 c)4) 4,4 c)4) 2,1 4) 1,1 4)

    III. 19,1 a)4) 18,5 a)4) 16,6 a)4) 11,5 a)4) 5,9 a)4) 3,5 a)4) 1,8 a)4)

    0,8-2,4 3,2

    I. 40 a)4) 40 a)4) 40 a)4) 32,5 a)4) 19,5 a)4) 12,3 a)4) 7 4) 4,4 4) 2,6 4)

    II. 40 a)4) 40 a)4) 40 a)4) 31,1 a)4) 18,6 a)4) 11,8 a)4) 6,5 4) 4,1 4) 2,4 4)

    III. 40 4) 40 4) 40 4) 29,9 4) 17,3 4) 10,9 4) 6,2 4) 3,9 4) 2,3 4)

    1,5-3,0 4,5

    I. 14,8 9,6 6

    II. 14,3 9,3 5,8

    III. 14 9,1 5,7

    1,7-2,7 4,4

    I. 40 a) 40 a) 29 a)

    II. 40 a) 40 a) 28,4 a)

    III. 40 40 27,6

    2,0-4,0 (2,3-3,7)

    6,0 (6,0)

    I. (40) 20,3 13,3 8,4

    II. (39,5) 19,9 12,9 8,2

    III. (38,7) 19,6 12,8 8,1

    Act

    uato

    r

    DP

    34

    Spr

    ing

    rang

    e (b

    ar)

    0,2-1,0

    Air

    supp

    ly p

    ress

    ure

    min

    . (ba

    r)

    1,2

    I. 2,5 b) 1,5 b)

    II. 2,1 b) 1,2 b)

    III. 1,8 e) 1 e)

    0,4-1,2 1,6

    I. 7 b) 4,4 b) 2,7 b) 1,8 1,2

    II. 6,6 b) 4,1 b) 2,5 b) 1,6 1,1

    III. 6,3 d) 3,9 d) 2,3 d) 1,4 a)

    0,8-2,4 3,2

    I. 16 10,4 6,5 4,5 3,2

    II. 15,5 10,1 6,3 4,3 3,1

    III. 15,2 b) 9,9 b) 6,2 b) 4,1 3

    1,5-3,0 (2,1-3,0)

    4,5 (5,1)

    I. (40) (29,7) (19) 9,3 6,7

    II. (40) (29,4) (18,8) 9,1 6,6

    III. 8,9 6,5

    2,0-4,0 (2,4-3,6)

    6,0 (6,0)

    I. (34,2) (21,9) 12,7 9,2

    II. (33,9) (21,7) 12,5 9,1

    III. 12,3 9

    I. Fig. 450: PTFE-V-ring unit; II. Fig. 450: PTFE- / Pure graphite-packing; III. Fig. 451: Bellows seal

    Air supply pressure max. of pneumatic actuators DP: max. permissible 6 bar

    Air supply pressure max. limit of control valve: max. permissible a) 5 bar b) 4,5 bar c) 4 bar d) 3,5 bar e) 3 bar

    3) Kvs-value reducible on request (2 screwed seat rings required) (refer to page 24).4) At mixing function an spring closes direction A->AB, the max. permissible air supply pressure is 3,5 bar.

    ARI-STEVI 450 / 451Closing pressures: Pneumatic actuator ARI-DP

    Edition 12/07 - Data subject to alteration

    Wrtsil id: WDAAA303596 a

  • 17Edition 12/07 - Data subject to alteration

    max. permissible closing pressures for both seat positions on flow-to-open P2 = 0 (Observe regulations, refer to page 23.)

    Spring closes port A -> AB or Spring closes port B -> AB

    Diverting function DN 15 20 25 32 40 50 65 80 100 125 150

    Seat- A/B (mm) 21/20 21/25 27/27 31/32 40/40 50/50 60/60 75/75 90/90 105/105 125/125

    Standard Kvs-values 4 6,3 10 16 14 25 45 60 95 170 200

    Reduced Kvs-values 3) 2,5 4 6,3 10 -- -- -- -- -- -- --

    Travel (mm) 20 30

    Act

    uato

    r

    DP

    32

    Spr

    ing

    rang

    e (b

    ar)

    0,2-1,0

    Air

    supp

    ly p

    ress

    ure

    min

    . (ba

    r)

    1,2

    I. 2,7 1,6 1,3

    II. 1,1

    III.

    0,4-1,2 1,6

    I. 9,3 6,3 5,3 3,6 4,1 2,3 1,2

    II. 7,7 5,2 4,3 2,9 3,2 1,7

    III. 4,3 4 3,5 2,3 1,9

    0,8-2,4 3,2

    I. 22,5 15,7 13,4 9,4 11,6 7,1 4,5 2,7 1,7 1,1

    II. 20,8 14,5 12,4 8,7 10,6 6,5 4 2,3 1,4

    III. 13,2 12,9 11,6 8,1 9,3 5,6 3,7 2,1 1,3

    1,5-2,5 4,0

    I. 40 32,1 27,5 19,6 24,5 15,4

    II. 40 30,9 26,5 18,8 23,6 14,8

    III. 28,7 28,4 25,7 18,3 22,3 14

    2,0-3,3 5,3

    I. 40 37,6 26,8 33,8 21,4

    II. 40 36,6 26,1 32,9 20,8

    III. 39,8 39,5 35,8 25,5 31,6 19,9

    Act

    uato

    r

    DP

    33

    Spr

    ing

    rang

    e (b

    ar)

    0,2-1,0

    Air

    supp

    ly p

    ress

    ure

    min

    . (ba

    r)

    1,2

    I. 6,6 c)5) 4,4 c)5) 3,7 c)5) 2,4 c)5) 2,6 c)5) 1,3 c)5)

    II. 5 c)5) 3,3 c)5) 2,7 c)5) 1,7 c)5) 1,7 c)5)

    III. 2,5 a)5) 2,2 a)5) 1,9 a)5) 1,1 a)5)

    0,4-1,2 1,6

    I. 17,1 c)5) 11,9 c)5) 10,1 c)5) 7 c)5) 8,5 c)5) 5,1 c)5) 3,2 5) 1,8 5) 1,1 5)

    II. 15,5 c)5) 10,7 c)5) 9,1 c)5) 6,3 c)5) 7,6 c)5) 4,5 c)5) 2,6 5) 1,4 5)

    III. 9,6 a)5) 9,2 a)5) 8,3 a)5) 5,7 a)5) 6,3 a)5) 3,6 a)5) 2,3 a)5) 1,2 a)5)

    0,8-2,4 3,2

    I. 38 a)5) 26,8 a)5) 23 a)5) 16,3 a)5) 20,3 a)5) 12,7 a)5) 8,5 5) 5,2 5) 3,5 5) 2,4 5) 1,6 5)

    II. 36,4 a)5) 25,6 a)5) 22 a)5) 15,6 a)5) 19,4 a)5) 12,1 a)5) 8 5) 4,9 5) 3,2 5) 2,2 5) 1,4 5)

    III. 23,7 5) 23,4 5) 21,2 5) 15 5) 18,1 5) 11,3 5) 7,6 5) 4,7 5) 3,1 5) 1,9 5) 1,2 5)

    1,5-3,0 4,5

    I. 17,9 11,2 7,7 5,4 3,7

    II. 17,3 10,9 7,4 5,2 3,6

    III. 17 10,7 7,3 5 3,4

    1,7-2,7 4,4

    I. 40 a) 40 a) 40 a) 37 a) 40 a) 29,8 a)

    II. 40 a) 40 a) 40 a) 36,3 a) 40 a) 29,3 a)

    III. 40 40 40 35,7 40 28,4

    2,0-4,0 (2,3-3,7)

    6,0 (6,0)

    I. (40) (40) 24,5 15,5 10,7 7,6 5,3

    II. (40) (40) 24 15,2 10,4 7,4 5,1

    III. (40) (39,8) 23,6 15 10,3 7,2 5

    Act

    uato

    r

    DP

    34

    Spr

    ing

    rang

    e (b

    ar)

    0,2-1,0

    Air

    supp

    ly p

    ress

    ure

    min

    . (ba

    r)

    1,2

    I. 3,2 b) 1,8 b) 1,1 b)

    II. 2,7 b) 1,5 b)

    III. 2,3 e) 1,2 e)

    0,4-1,2 1,6

    I. 8,6 b) 5,3 b) 3,5 b) 2,4 1,6

    II. 8 b) 4,9 b) 3,2 b) 2,2 1,4

    III. 7,7 d) 4,7 d) 3,1 d) 2 a) 1,3 a)

    0,8-2,4 3,2

    I. 19,3 12,2 8,3 5,9 4,1

    II. 18,8 11,8 8,1 5,7 3,9

    III. 18,4 b) 11,6 b) 7,9 b) 5,5 3,8

    2,1-3,0 5,1

    I. 40 34,7 24 17,4 12,2

    II. 40 34,3 23,8 17,2 12

    III. 16,9 11,9

    2,4-3,6 6,0

    I. 39,9 27,6 20 14,1

    II. 39,5 27,4 19,8 13,9

    III. 19,6 13,8

    I. Fig. 450: PTFE-V-ring unit; II. Fig. 450: PTFE- / Pure graphite-packing; III. Fig. 451: Bellows seal

    Air supply pressure max. of pneumatic actuators DP: max. permissible 6 bar

    Air supply pressure max. limit of control valve: max. permissible a) 5 bar b) 4,5 bar c) 4 bar d) 3,5 bar e) 3 bar

    3) Kvs-value reducible on request (2 screwed seat rings required) (refer to page 24).5) At diverting function an spring closes direction B->AB, the max. permissible air supply pressure is 3,5 bar.

    ARI-STEVI 450 / 451Closing pressures: Pneumatic actuator ARI-DP

    Wrtsil id: WDAAA303596 a

  • 18

    Figure Nominal pressure Material Nominal diameter

    22.450 / 22.451 PN16 EN-JS1049 DN125v-150v

    23.450 / 23.451 PN25 EN-JS1049 DN125v-150v

    34.450 / 34.451 PN25 1.0619+N DN125v-150v

    35.450 / 35.451 PN40 1.0619+N DN125v-150v

    55.450 PN40 1.4408 DN125v-150v

    Other materials and versions on request.

    Construction

    3-way mixing valve (DN15-150)

    3-way diverting valve (DN40-150)

    (Operating mode refer to page 24)

    Stem sealing

    Fig. 450: PTFE-packing -10C up to +250C

    Pure graphite-packing -10C up to +450C

    Fig. 451: Stainless steel bellows seal with safety stuffing box -60C up to +450C

    Plug design standard:

    Parabolic plug, metal seat / V-port plug, metal seat

    Guiding

    Stem and port guiding

    Flow characteristic linear

    Rangeability

    30 : 1

    Shut off class (seat / plug leakage classes)

    Metal seat - Leakage class IV acc. to DIN EN 1349 or IEC 60534-4

    Closing pressures refer to page 20.

    Technical data for actuator refer to data sheet.

    Selection of possible applications

    Industrial installations, processing technology, plant manufacturing, etc. (other applications on request)

    Selection of possible flow media

    Fig. 450: Cooling water, cooling brine, warm water, hot water, steam, gas, etc.

    Fig. 451: Refrigerant, cooling water, warm water, hot water, thermal oil, steam, gas, etc.

    (other flow media on request)

    ARI-STEVI 450 / 451Pneumatic actuator ARI-DP

    Control valve in 3-way-form with pneumatic actuator DP - strengthened design (3-way mixing valve / 3-way diverting valve)

    Fig. 450

    Fig. 451

    Edition 12/07 - Data subject to alteration

    Failure position dependent on valve duty.

    Retracted stem on air failure:

    - with a mixing valve port A -> AB is closed

    - with a diverting valve port B -> AB is closed

    Extended stem on air failure:

    - with a mixing valve port B -> AB is closed

    - with a diverting valve port A -> AB is closed

    Top mounted handwheel

    Actuator DP34T

    D1 (mm) 400

    H1 (mm) 630

    Weight (kg) 41

    Technical data for actuator refer to data sheet DP32-34Tri.

    Diverting plug DN40 upwards

    (Further information refer to page 24)

    Wrtsil id: WDAAA303596 a

  • 19

    Dimensions and weights

    DN 125v 150v

    L (mm) 400 480

    H2 (mm) 200 210

    DP 34T

    A = 405 mm

    H (mm) 1062 1095

    Fig. 450PN16 (kg) 184 211

    PN25/40 (kg) 211 254

    H (mm) 1509 1542

    Fig. 451PN16 (kg) 194 221

    PN25/40 (kg) 222 264

    Standard-flange dimensions refer to page 23.

    Face-to-face dimension FTF series 1 according to DIN EN 558-1

    ARI-STEVI 450 / 451Pneumatic actuator ARI-DP

    Edition 12/07 - Data subject to alteration

    Parts

    Pos. DescriptionFig. 22.450 / Fig. 23.450 Fig. 22.451 / Fig. 23.451

    Fig. 34.450 / Fig. 35.450 Fig. 34.451 / Fig. 35.451

    Fig. 55.450

    1 Body EN-GJS-400-18U-LT, EN-JS1049 GP240GH+N, 1.0619+N GX5CrNiMo19-11-2, 1.4408

    2 Seat ring * X20Cr13+QT, 1.4021+QT X6CrNiMoTi17-12-2, 1.4571

    3 Plug * X20Cr13+QT, 1.4021+QT X6CrNiMoTi17-12-2, 1.4571

    4 Hexagon nut * 8-A2B -- --

    5 Stem * X20Cr13+QT, 1.4021+QT X6CrNiMoTi17-12-2, 1.4571

    6 Straight pin * X10CrNi18-8, 1.4310 --

    8 Guide bushing X20Cr13+QT, 1.4021+QT (hardened) X6CrNiMoTi17-12-2, 1.4571

    9 Gasket * Pure graphite (CrNi laminated with graphite) --

    10 Studs 25CrMo4, 1.7218 A4 - 70

    11 Hexagon nuts C35E, 1.1181 A4

    13 Packing ring PTFE or Pure graphite --

    14 Washer * X5CrNi18-10, 1.4301 --

    20.1 Bellows housing EN-GJS-400-18U-LT, EN-JS1049 GP240GH+N, 1.0619+N --

    20.3 Stem- / Bellows unit * X20Cr13+QT, 1.4021+QT / X6CrNiTi18-10, 1.4541 --

    20.5 Guide bushing X20Cr13+QT, 1.4021+QT (hardened) --

    20.6 Gasket * Pure graphite (CrNi laminated with graphite) --

    20.7 Studs 25CrMo4, 1.7218 --

    20.8 Hexagon nuts C35E, 1.1181 --

    20.9 Straight pin 46S20+C, 1.0727+C --

    20.10 Packing ring * Pure graphite --

    20.12 Washer * X5CrNi18-10, 1.4301 --

    20.13 Stuffing box housing EN-GJS-400-18U-LT, EN-JS1049 GP240GH+N, 1.0619+N --

    20.15 Packing follower X20Cr13+QT, 1.4021+QT --

    20.16 Sleeve nut X8CrNiS18-9, 1.4305 --

    22 Packing box flange EN-GJS-400-18U-LT, EN-JS1049 --

    23 Studs 25CrMo4, 1.7218 --

    24 Hexagon nuts C35E, 1.1181 --

    25 Adapter flange EN-GJS-400-18U-LT, EN-JS1049 --

    26 Hexagon socket head screw 8.8 - A2B --

    27 Gasket * Pure graphite --

    28 Studs 25CrMo4, 1.7218 --

    29 Hexagon nuts C35E, 1.1181 --

    31 Plug * X20Cr13+QT, 1.4021+QT X6CrNiMoTi17-12-2, 1.4571

    33 Straight pin * X10CrNi18-8, 1.4310 --

    37 Stem adapter * X20Cr13+QT, 1.4021+QT --

    38 Stem adapter * X20Cr13+QT, 1.4021+QT --

    39 Stuffing box housing P265 GH, 1.0425 / P250 GH, 1.0460 --

    40 Plug * X20Cr13+QT, 1.4021+QT X6CrNiMoTi17-12-2, 1.4571

    41 Stem * X20Cr13+QT, 1.4021+QT X6CrNiMoTi17-12-2, 1.4571

    60 Hexagon nut * -- A4

    61 Locking washer set -- A4

    * Spare parts

    Information / restriction of technical rules need to be observed!

    ARI-Valves of EN-JL1040 are not allowed to be operated in systems acc. to TRD 110.

    A production allowance acc. to TRB 801 No. 45 exists (acc. to TRB 801 No. 45 EN-JL1040 is not allowed.)

    The engineer, designing a system or a plant, is responsible for the selection of the correct valve.

    Wrtsil id: WDAAA303596 a

  • 20 Edition 12/07 - Data subject to alteration

    ARI-STEVI 450 / 451Closing pressures: Pneumatic actuator ARI-DP

    max. permissible closing pressures for both seat positions on flow-to-open P2 = 0 (Observe regulations, refer to page 23.)

    Spring closes port A -> AB or Spring closes port B -> AB

    Mixing function DN 125 150

    Seat- A/B (mm) 105/105 125/125

    Standard Kvs-values 170 200

    Reduced Kvs-values -- --

    Travel (mm) 30

    Act

    uato

    r

    DP

    34T

    Spr

    ing

    rang

    e (b

    ar)

    0,2-1,0A

    ir su

    pply

    pre

    ssur

    e m

    in. (

    bar)

    1,2II. 1,9 b) 1,2 b)

    III. 2 e) 1,3 e)

    0,4-1,2 1,6II. 5,5 b) 3,7 b)

    III. 5,5 d) 3,8 d)

    0,8-2,4 3,2II. 12,5 8,7

    III. 12,5 b) 8,8 b)

    2,1-3,0 5,1II. 35,4 25

    III. -- --

    2,4-3,6 6,0II. 40 28,7

    III. -- --

    II. Fig. 450: PTFE- / Pure graphite-packing; III. Fig. 451: Bellows seal

    Air supply pressure max. of pneumatic actuators DP: max. permissible 6 bar

    Air supply pressure max. limit of control valve: max. permissible a) 5 bar b) 4,5 bar c) 4 bar d) 3,5 bar e) 3 bar

    Wrtsil id: WDAAA303596 a

  • 21Edition 12/07 - Data subject to alteration

    max. permissible closing pressures for both seat positions on flow-to-open P2 = 0 (Observe regulations, refer to page 23.)

    Spring closes port A -> AB or Spring closes port B -> AB

    Diverting function DN 125 150

    Seat- A/B (mm) 105/105 125/125

    Standard Kvs-values 170 200

    Reduced Kvs-values -- --

    Travel (mm) 30

    Act

    uato

    r

    DP

    34T

    Spr

    ing

    rang

    e (b

    ar)

    0,2-1,0

    Air

    supp

    ly p

    ress

    ure

    min

    . (ba

    r)

    1,2II. 1,9 b) 1,2 b)

    III. 2 e) 1,3 e)

    0,4-1,2 1,6II. 5,5 b) 3,7 b)

    III. 5,5 d) 3,8 d)

    0,8-2,4 3,2II. 12,5 8,7

    III. 12,5 b) 8,8 b)

    2,1-3,0 5,1II. 35,4 25

    III. -- --

    2,4-3,6 6,0II. 40 28,7

    III. -- --

    II. Fig. 450: PTFE- / Pure graphite-packing; III. Fig. 451: Bellows seal

    Air supply pressure max. of pneumatic actuators DP: max. permissible 6 bar

    Air supply pressure max. limit of control valve: max. permissible a) 5 bar b) 4,5 bar c) 4 bar d) 3,5 bar e) 3 bar

    ARI-STEVI 450 / 451Closing pressures: Pneumatic actuator ARI-DP

    Wrtsil id: WDAAA303596 a

  • 22

    ARI-STEVI 450 / 451Notes

    Edition 12/07 - Data subject to alteration

    Wrtsil id: WDAAA303596 a

  • 23

    Standard-flange dimensions Flanges acc. to DIN EN 1092-1/-2 (Flangeholes / -thickness tolerances acc. to DIN 2533/2544/2545)

    DN 15 20 25 32 40 50 65 80 100 125 150

    PN16 D (mm) 95 105 115 140 150 165 185 200 220 250 285

    PN16 K (mm) 65 75 85 100 110 125 145 160 180 210 240

    PN16 n x d (mm) 4x14 4x14 4x14 4x18 4x18 4x18 4x18 8x18 8x18 8x18 8x22

    PN25 D (mm) 95 105 115 140 150 165 185 200 235 270 300

    PN25 K (mm) 65 75 85 100 110 125 145 160 190 220 250

    PN25 n x d (mm) 4x14 4x14 4x14 4x18 4x18 4x18 8x18 8x18 8x22 8x26 8x26

    PN40 D (mm) 95 105 115 140 150 165 185 200 235 270 300

    PN40 K (mm) 65 75 85 100 110 125 145 160 190 220 250

    PN40 n x d (mm) 4x14 4x14 4x14 4x18 4x18 4x18 8x18 8x18 8x22 8x26 8x26

    Pressure-temperature-ratings acc. to DIN EN 1092-2

    Material -60C to

  • 24

    Technology for the Future. G E R M A N Q U A L I T Y V A L V E S

    ARI-Armaturen Albert Richter GmbH & Co. KG, D-33756 Schlo Holte-Stukenbrock, Tel. +49 52 07 / 994-0, Telefax +49 52 07 / 994-158 or 159 Internet: http://www.ari-armaturen.com E-mail: [email protected]

    Stem sealing

    Spring loaded PTFE-V ring packing unit

    Pos. Description

    13 Packing ring * PTFE or Pure graphite

    42 Screw joint * X8CrNiS18-9, 1.4305

    PTFE-/ Pure graphite-packing Bellows seal with safety stuffing box

    Body design

    Mixing plug with pressed in seat ring (seat A) and screwed seat ring (seat B) standard for DN15-100

    Mixing plug with two screwed seat rings (standard at DN125/150 and design with stainless steel)

    Diverting plug with two screwed seat rings (standard)

    Operating mode

    Design with mixing plug DN 15-150Design with diverting plug DN 40-150

    (Attention: reduced Kvs-values)

    ARI-Control valves are suitable for use with pneumatic or electric actuators.

    According to the application two different variations are possible (see drawings on the left)

    Design with mixing plug as standard.

    Select when the valve is used for mixing service (2 inlets, 1 outlet).

    DN 15 - 32 with mixing plug can also be used for diverting service (1 inlet, 2 outlets). In exceptions the design with mixing plug can also be used in diverting service for DN 40. Only small closing pressures are possible.

    Design with diverting plug will be used exclusively for diverting service.

    ARI-STEVI 450 / 451Constructions

    Edition 12/07 - Data subject to alteration

    Pos. Description

    1.2 Seat ring X20Cr13+QT, 1.4021+QT

    2 Seat ring *X20Cr13+QT, 1.4021+QT

    X6CrNiMoTi17-12-2, 1.4571

    34 Seat ringX20Cr13+QT, 1.4021+QT

    X6CrNiMoTi17-12-2, 1.4571

    Wrtsil id: WDAAA303596 a

  • Rev. 0040306000 3504 englisch

    1.0 General information on operating

    instructions ..................................................... 2

    2.0 Notes on possible dangers............................ 2

    2.1 Significance of symbols ..........................................2

    2.2 Explanatory notes on safety information .................2

    3.0 Storage and transport ................................... 2

    4.0 Description...................................................... 3

    4.1 Scope of applications ..............................................3

    4.2 Operating principles ................................................3

    4.3 Diagram...................................................................4

    4.3.1 Mixing plug design .............................................4

    4.3.2 Diverting plug design ..........................................5

    4.4 Technical data .........................................................6

    4.5 Marking ...................................................................6

    5.0 Installation....................................................... 6

    5.1 General notes on installation...................................6

    5.2 Requirements at the place of installation ................7

    5.3 Installation instructions concerning actuators .........7

    6.0 Putting the valve into operation.................... 8

    7.0 Care and maintenance................................... 8

    7.1 Replacement of stem sealings ............................... 8

    7.1.1 PTFE V-ring unit design .................................... 8

    7.1.2 Stuffing box packing design ............................... 9

    7.1.3 Bellows seal design ......................................... 10

    7.1.3.1 Bellows seal and mixing plug ..................... 10

    7.1.3.2 Bellows seal and diverting plug................... 12

    7.2 Replacement of internal parts ............................ 14

    7.2.1 Mixing plug design .......................................... 14

    7.2.2 Diverting plug design ...................................... 16

    7.3 Tightening torques................................................ 18

    7.3.1 Tightening torques for hexagon nuts (bonnet) 18

    7.3.2 Tightening torques for hexagon nuts (plug) .... 18

    7.3.3 Tightening torques for seat rings ..................... 18

    8.0 Troubleshooting........................................... 18

    9.0 Troubleshooting table ................................. 19

    10.0 Dismantling the valve or the top part ...... 20

    11.0 Warranty / Guarantee ................................. 20

    12.0 EC declaration of conformity /

    Manufacturers declaration......................... 21

    Operating and installation instructions3-way control valves - STEVI 450 / 451

    Contents

    Series 450 Series 451

    Wrtsil id: WDAAA303596 a

  • Page 2 Rev. 0040306000 3504

    Operating and installation instructions

    3-way control valves - STEVI 450 / 451

    1.0 General information on operating instructions

    These operating instructions provide information on mounting and maintaining the fittings. Please contact the supplier or the manufacturer in case of problems which cannot be solved by reference to the operating instructions.

    They are binding on the transport, storage, installation, start-up, operation, maintenance and repair.The notes and warnings must be observed and adhered to.

    - Handling and all work must be carried out by expert personnel or all activities must be supervised and checked.

    It is the owners responsibility to define areas of responsibility and competence and to monitor the personnel.

    - In addition, current regional safety requirements must be applied and observed when taking the fittings out of service as well as when maintaining and repairing them.

    The manufacturer reserves the right to introduce technical modifications at any time.

    These Operating Instructions comply with the requirements of EU Directives.

    2.0 Notes on possible dangers

    2.1 Significance of symbols

    2.2 Explanatory notes on safety information

    In these Operating and Installation Instructions dangers, risks and items of safety information are highlighted to attract special attention.

    Information marked with the above symbol and ATTENTION ! describe practices, a failure to comply with which can result in serious injury or danger of death for users or third parties or in material damage to the system or the environment. It is vital to comply with these practices and to monitor compliance.

    All other information not specifically emphasised such as transport, installation, operating and maintenance instructions as well as technical data (in the operating instructions, product documentation and on the device itself) must also be complied with to the fullest extent in order to avoid faults which in turn can cause serious injury to persons or damage to property.

    3.0 Storage and transport

    - At -20C to +65C.

    - The paint is a base coat to protect against corrosion during transportation and storage. Do not damage paint protection.

    ATTENTION !

    . . . Warning of general danger.

    ATTENTION !

    - Protect against external force (like impact, vibration, etc.).

    - Valve mountings such as actuators, handwheels, hoods must not be used to take external forces, e.g. they are not designed for use as climbing aids, or as connecting points for lifting gear.

    - Suitable materials handling and lifting equipment should be used.See catalog sheet for weights.

    Wrtsil id: WDAAA303596 a

  • Rev. 0040306000 3504 Page 3

    Operating and installation instructions

    3-way control valves - STEVI 450 / 451

    4.0 Description

    4.1 Scope of applications

    Valves are used for controlling the flow of liquids, gases and vapours in chemical and other processing plants and for plant engineering.

    The information complies to the Pressure Equipment Directive 97/23/EC.It is the responsibility of the machine planner to ensure compliance.The special markings on the valve must be taken into account.

    Refer to the catalogue sheet to see which materials are used in standard versions.

    Please contact the supplier or the manufacturer if you have any questions.

    4.2 Operating principles

    ARI control valves are especially suitable for actuation by pneumatic or electrical actuators.

    Depending on the mode of operation, two different execution methods are possible:1. Execution with mixing plug2. Execution with diverting plug

    The execution with the mixing plug is the standard execution method.This execution method is to be chosen when the valve is also employed as a mixer (2 entrances, 1 exit). In exceptional cases, the execution with the mixing plug can also be employed as a diverting plug (1 entrance, 2 exits). This requires, however, low differential pressures and stable propulsion.

    The execution method with the diverting plug is only to be employed with the operation of diverting.

    Explanation:

    ATTENTION !

    - Refer to the data sheet for applications, limits on use and possibilities.

    - Certain media require or preclude the use of special materials.

    - The valves are designed for standard operating conditions. If conditions exceed these requirements, e.g. aggressive or abrasive media, the operator should state the higher requirements when ordering.

    - Valves made from grey cast iron are not authorised for use in systems subject to TRD 110.

    Mixing operation Diverting operation

    AB A

    B

    AB A

    B

    Wrtsil id: WDAAA303596 a

  • Page 4 Rev. 0040306000 3504

    Operating and installation instructions

    3-way control valves - STEVI 450 / 451

    4.3 Diagram

    4.3.1 Mixing plug design

    Fig. 1: Series 450 DN15-150 Fig. 2: Series 451 DN15-150

    Fig. 3: Series 450 DN125v-150v Fig. 4: Series 451 DN125v-150v

    Wrtsil id: WDAAA303596 a

  • Rev. 0040306000 3504 Page 5

    Operating and installation instructions

    3-way control valves - STEVI 450 / 451

    4.3.2 Diverting plug design

    Fig. 5: Series 450 DN15-150 Fig. 6: Series 451 DN15-150

    Fig. 7: Series 450 DN125v-150v Fig. 8: Series 451 DN125v-150v

    Wrtsil id: WDAAA303596 a

  • Page 6 Rev. 0040306000 3504

    Operating and installation instructions

    3-way control valves - STEVI 450 / 451

    4.4 Technical data

    for

    - Principal dimensions

    - Pressure-temperature-ratings, etc. refer to datasheet.

    4.5 Marking

    5.0 Installation

    5.1 General notes on installation

    The following items should be taken into account besides the general principles governing installation work:

    Planners / construction companies or operators are responsible for positioning and installing products.

    Fig. 9

    Address of manufacturer: refer to item 11.0 Warranty / Guarantee

    According to the Pressure Equipment Directive table 6, annex II, valves without safety function are only allowed to bear the CE-marking DN32 onwards.

    ATTENTION !

    - Remove flange covers if present.

    - The interior of valve and pipeline must be free from foreign particles.

    - Note installation position with reference to flow, see mark on valve.

    - Steam line systems should be designed to prevent water accumulation.

    - Lay pipelines so that damaging transverse, bending and torsional forces are avoided.

    - Protect valves from dirt during construction work.

    - Connection flanges must mate exactly.

    - Valve mountings such as actuators, handwheels, hoods must not be used to take external forces, e.g. they are not designed for use as climbing aids, or as connecting points for lifting gear.

    - Suitable materials handling and lifting equipment should be used.Refer to data sheet for weights.

    - Keep the thread and shaft of the stem free from paint.

    - Centre gaskets between the flanges.

    - Strainers or filters should be installed before the valves.

    CE-marking

    Serial-No.

    Year of manufacture clear speech

    Notified body

    ManufacturerNominal pressure

    Nominal diameterType-Number

    (1. and 2. position)

    Stem sealing

    Material of internal parts

    Kvs-valueFlow

    Plug design

    characteristic

    Customer-specific

    information

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    Operating and installation instructions

    3-way control valves - STEVI 450 / 451

    5.2 Requirements at the place of installationThe place of installation should be easily accessible and provide ample space for maintenance and removing the actuator. Stop valves should be installed before and behind the control valve to enable maintenance working without draining the piping system. The valve should preferably installed vertically with the actuator at the top. Inclined or horizontal installation without supports is permissible only with light actuators.For this installation position, the two distance columns (or joke) have to be above each other in the vertical plane.

    Safe actuator weights for a horizontal installation position with reference to the stem, without structural support, are as follows:

    20 kg for DN 15 - 32 25 kg for DN 40 - 6535 kg for DN 80-100 40 kg for DN125-150 55 kg for DN125v-150v

    The pipes must be lagged to protect the actuators from excessive heat. Sufficient space must be left for the maintenance of the stem packing.

    To ensure that the control valves function correctly, the pipe run should be straight for at least 2 x DN upstream and 6 x DN downstream of the valve.

    5.3 Installation instructions concerning actuators Normally, control valves are supplied complete with actuator fitted. It is not permitted to mantle / dismantle actuators with valves operating at service conditions (temperature and pressure) the actuators must be assembled as describe in the operating instructions during conversion and maintenance. During assembly work, the plug is not be turned on its seatring at closing pressure.

    When retrofitting actuators, the maximum permissible force for valve actuation must be taken into account:

    Fig. 10: Pipeline vertically Fig. 11: Pipeline horizontally

    ATTENTION !

    Care must be taken with the bellow type valves when actuators are mounted or removed. (Hold the valve-stem against turning with an open-end wrench!)

    Series 450 Series 451

    12 kN for DN 15- 50 18 kN for DN 15-100

    29 kN for DN 65-100 37 kN for DN125-150 / 125v-150v

    40 kN for DN125-150

    59 kN for DN125v-150v

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    3-way control valves - STEVI 450 / 451

    6.0 Putting the valve into operation

    7.0 Care and maintenance

    Maintenance and maintenance intervals have to be defined by the operator according to the service conditions.

    7.1 Replacement of stem sealings

    7.1.1 PTFE V-ring unit design

    PTFE V-ring unit (pos. 12) consisting of: 1 backing ring4 sealing rings1 cover ring

    Owing to the installed compression spring (pos. 14), this stem packing is self-adjusting. If the stem starts leaking, the ring pack is worn out and must be replaced.

    Replacement PTFE V-ring unit:

    - Remove actuator. (Refer to operating instructions for actuator!)

    - When replacing V-ring unit (pos. 12), make sure that the parts are installed in the correct order and positions (refer to Fig. 12).

    - Gasket (pos. 17) must be replaced.

    Damaged stems must also be replaced (refer to point 7.2 for instructions) since a new sealing will soon start leaking again if the stem is damaged.

    ATTENTION !

    - Before putting the valve into operation, check material, pressure, temperature and direction of flow.

    - Regional safety instructions must be adhered to.

    - Residues in piping and valves (dirt, weld beads, etc.) inevitably lead to leakage.

    - Touching the valve when it is operating at high (> 50 C) or low (< 0 C) media temperatures can cause injury.Affix warning notice or protective insulation as appropriate!

    Before putting a new plant into operation or restarting a plant after repairs or modification, always make sure that:

    - All works has been completed!

    - The valve is in the correct position for its function.

    - Safety devices have been attached.

    ATTENION !

    Refer to point 10.0 and 11.0 before dismantling the valve.

    Fig. 12: Installation V-ring unit DN15-150

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    Operating and installation instructions

    3-way control valves - STEVI 450 / 451

    7.1.2 Stuffing box packing design

    The stuffing box packing requires maintenance.

    If leaks develop, immediately tighten the screw joint (pos. 42) respectively the hexagon nuts (pos. 24) gradually until the packing ring (pos. 13) stops leaking.

    The service life of stuffing box packings (pos. 13) can be increased by checking regularly leakage.

    If leaks can no longer be stopped by tightening the screw joint (pos. 42) respectively the nuts (pos. 24), a new packing ring (pos. 13) must be inserted into the gland.

    Replacement of stuffing box packings:

    - Remove actuator. (Refer to operating instructions for actuator!)

    - Insert new packing ring as shown in the Fig. 13 and Fig. 14.

    Damaged stems must also be replaced (refer to point 7.2 for instructions), since a new sealing will soon start leaking again if the stem is damaged.

    ATTENION !

    Refer to point 10.0 and 11.0 before dismantling the valve.

    Fig. 13: Stuffing box packing DN15-150 Fig. 14: Stuffing box packing DN125v-150v

    Fig. 15: Split packing ring

    If a split packing ring is used, cut with a chamfer as shown in Fig. 15.

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    Operating and installation instructions

    3-way control valves - STEVI 450 / 451

    7.1.3 Bellows seal design

    If the stem leaks the bellows seal (pos. 20.3) is defective. The leak can initially be stopped by tightening the screw joint (pos. 20.17) respectively the sleeve nut (pos. 20.16).

    Stem and bellows (pos. 20.3) can only be replaced together.

    Replacement of bellows seal:

    - Remove actuator. (Refer to operating instructions for actuator!)

    - Slacken screw joint (pos. 20.17) respectively sleeve nut (pos. 20.16) by about one turn.

    - Unscrew the bottom seat ring (pos. 2) (refer to point 7.2) - with diverting plug version (Fig. 18, Fig. 19) not necessary.

    - Unscrew hexagon nut (pos. 4 or pos. 60), (holding against spanner face).

    - Remove plug (pos. 3 or 31).

    7.1.3.1 Bellows seal and mixing plug

    DN15-150

    - Dismantle as point 7.1.3.

    - Loose nuts (pos. 11).

    - Detach bellows assembly (pos. 20).

    - Loose nuts (pos. 20.8).

    - Detach mounting bonnet (pos. 20.2).

    - Extract stem-/bellows unit (pos. 20.3) from the bellows housing (pos. 20.1).

    - Drive pin (pos. 6) out with a drift.

    - Unscrew stem adapter (pos. 37).

    Note: Adapter (pos. 37) and straight pin (pos. 6) are not existing at DN40-50.

    - Bolt new parts together, drill and pin them.

    - Replace 2 gaskets (pos. 20.6) and 1 gasket (pos. 9).

    - Assemble in reverse order. (For tightening torques refer to item 7.3.)

    - Secure with nuts (pos. 11 and 20.8) and tighten them crosswise. (For tightening torques refer to item 7.3.)

    - Tighten screw joint (pos. 20.17) gradually up to tightness of the stuffing box packing (pos. 20.10).

    ATTENION !

    Refer to point 10.0 and 11.0 before dismantling the valve.

    ATTENTION at DN125-150!

    - Ensure that the torsion lock is correctly positioned when inserting new stem/bellows unit. Introduce the grooved pin (pos. 20.9) into the torsion lock groove.Make sure it runs smoothly!

    Fig. 16: Series 451 DN 15-150 with mixing plug

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  • Rev. 0040306000 3504 Page 11

    Operating and installation instructions

    3-way control valves - STEVI 450 / 451

    DN125v-150v

    - Dismantle as point 7.1.3.

    - Loose nuts (pos. 29).

    - Detach bellows assembly (pos. 20).

    - Loose nuts (pos. 20.8).

    - Detach stuffing box housing (pos. 20.13).

    - Extract stem-/bellows unit (pos. 20.3) from the bellows housing (pos. 20.1).

    - Drive pin (pos. 6) out with a drift.

    - Unscrew stem adapter (pos. 37).

    - Bolt new parts together, drill and pin them.

    - Replace 2 gaskets (pos. 20.6) and 1 gasket (pos. 27).

    - Assemble in reverse order.(For tightening torques refer to item 7.3.)

    - Secure with nuts (pos. 29 and 20.8) and tighten them crosswise. (For tightening torques refer to item 7.3.)

    - Tighten sleeve nut (pos. 20.16) gradually up to tightness of the stuffing box packing (pos. 20.10).

    ATTENTION !

    - Ensure that the torsion lock is correctly positioned when inserting new stem/bellows unit. Introduce the grooved pin (pos. 20.9) into the torsion lock groove. Make sure it runs smoothly!

    Fig. 17: Series 451 DN125v-150v with mixing plug

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    Operating and installation instructions

    3-way control valves - STEVI 450 / 451

    7.1.3.2 Bellows seal and diverting plug

    DN40-150

    - Dismantle as item 7.1.3.

    - Pull distance bush (pos. 32) from adapter (pos. 38).

    Note: There is no distance bush (pos. 32) on DN 125-150.

    - Loose nuts (pos. 11).

    - Detach bellows assembly (pos. 20).

    - DN 15-100: Pull plug (pos. 40) from adapter (pos. 38).

    - DN 125-150: Drive straight pin (pos. 33) out with a drift. Screw plug (pos. 40) from adapter (pos. 38).

    - Loose nuts (pos. 20.8).

    - Detach mounting bonnet (pos. 20.2).

    - Extract stem-/bellows unit (pos. 20.3) from the bellows housing (pos. 20.1).

    - Drive pin (pos. 6) out with a drift.

    - Unscrew stem adapter (pos. 38).

    Note: Adapter (pos. 38) and straight pin (pos. 6) are not existing at DN40-50.

    - Bolt new parts together, drill and pin them.

    - Replace 2 gaskets (pos. 20.6) and 1 gasket (pos. 9).

    - Assemble in reverse order. (For tightening torques refer to item 7.3.)

    - Secure with nuts (pos. 11 and 20.8) and tighten them crosswise. (For tightening torques refer to item 7.3.)

    - Tighten screw joint (pos. 20.17) gradually up to tightness of the stuffing box packing (pos. 20.10).

    ATTENTION at DN125-150!

    - Ensure that the torsion lock is correctly positioned when inserting new stem/bellows unit. Introduce the straight pin (pos. 20.9) into the torsion lock groove.Make sure it runs smoothly!

    Fig. 18: Series 451 DN15-150 with diverting plug

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  • Rev. 0040306000 3504 Page 13

    Operating and installation instructions

    3-way control valves - STEVI 450 / 451

    DN125v-150v

    - Dismantle as item 7.1.3.

    - Loose nuts (pos. 11).

    - Detach bellows assembly (pos. 20) incl. stuffing box housing (pos. 39).

    - Drive pin (pos. 33) out with a drift.

    - Unscrew plug (pos. 40) from adapter (pos. 38).

    - Loose nuts (pos. 29).

    - Detach bellows assembly (pos. 20).

    - Loose nuts (pos. 20.8).

    - Detach stuffing box housing (pos. 20.13).

    - Extract stem/bellows unit (pos. 20.3) from the bellows housing (pos. 20.1).

    - Drive pin (pos. 6) out with a drift.

    - Unscrew stem adapter (pos. 38).

    - Bolt new parts together, drill and pin them.

    - Replace 2 gaskets (pos. 20.6) and each 1 gasket (pos. 27, 9).

    - Assemble in reverse order.(For tightening torques refer to item 7.3.)

    - Secure with nuts (pos. 29 and 20.8) and tighten them crosswise. (For tightening torques refer to item 7.3.)

    - Tighten sleeve nut (pos. 20.16) gradually up to tightness of the stuffing box packing (pos. 20.10).

    ATTENTION !

    - Ensure that the torsion lock is correctly positioned when inserting new stem/bellows unit. Introduce the straight pin (pos. 20.9) into the torsion lock groove.Make sure it runs smoothly!

    Fig. 19: Series 451 DN125v-150v with diverting plug

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    Operating and installation instructions

    3-way control valves - STEVI 450 / 451

    7.2 Replacement of internal parts

    - Remove actuator. (Refer to operating instructions for actuator!)

    A special wrench is needed to remove the seatring (pos. 2). It can be obtained from the manufacturer.

    When fitting a new or reconditioned seatring, clean thread and sealing taper in body and apply suitable lubricant.

    Item 7.1.3 describes how to change the plug and stem in valves with a bellow seal (series 451).

    7.2.1 Mixing plug design

    DN15-150

    - Unscrew seat ring (pos. 2 bottom) and renew or recondition.

    - Slacken screw joint (pos. 19 or 42) by about 1 turn.

    - Extract and replace plug (pos. 3) and stem (pos. 5).

    Note: DN 125-150: Bolt new parts together, drill and pin them.

    - Assemble in reverse order. (For tightening torques refer to item 7.3.)

    The top seat ring can only be replaced in:DN 125-150 with standard Kvs valuesDN 15-150 with multiple reduced Kvs values

    - Dismantle seat ring, plug and stem as described above.

    - Loose nuts (pos. 11).

    - Detach mounting bonnet (pos. 7).

    - Unscrew seat ring (pos. 2 top) and renew or recondition. (For tightening torques refer to item 7.3.)

    - Replace gasket (pos. 9).

    - Assemble in reverse order.(For tightening torques refer to item 7.3.)

    - Secure with nuts (pos. 11) and tighten them crosswise. (For tightening torques refer to item 7.3.)

    ATTENION !

    Refer to item 10.0 and 11.0 before dismantling the valve.

    (bottom)

    Fig. 20: Series 450 DN15-150 with mixing plug

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    Operating and installation instructions

    3-way control valves - STEVI 450 / 451

    DN125v-150v

    - Unscrew seat ring (pos. 2 bottom) and renew or recondition.

    - Slacken nuts (pos. 24) by about 2-3 turns.

    - Extract and replace plug (pos. 3) and stem (pos. 5).

    - Assemble in reverse order. (For tightening torques refer to item 7.3.)

    Changing the top seat ring:

    - Dismantle seat ring, plug and stem as described above.

    - Loose nuts (pos. 11).

    - Detach stuffing box housing (pos. 39).

    - Unscrew seat ring (pos. 2 top) and renew or recondition. (For tightening torques refer to item 7.3.)

    - Replace gasket (pos. 9).

    - Assemble in reverse order.(For tightening torques refer to item 7.3.)

    - Secure with nuts (pos. 11) and tighten them crosswise. (For tightening torques refer to item 7.3.)

    (bottom)

    (top)

    Fig. 21: Series 450 DN125v-150v with mixing plug

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    Operating and installation instructions

    3-way control valves - STEVI 450 / 451

    7.2.2 Diverting plug design

    DN40-150

    - Slacken screw joint (pos. 19 and 24) by about 1 turn.

    - Loose nuts (pos. 11).

    - Detach mounting bonnet (pos. 7).

    - Loose nut (pos. 4 or pos. 60).

    - Pull plug (pos. 31) with distance bush (pos. 32) down.

    Note: There is no distance bush (pos. 32) in DN125-150.

    - Pull plug (pos. 40) with stem (pos. 41) up and replace.

    Note: DN125-150: Bolt new parts together, drill and pin them.

    - Unscrew seat rings (pos. 2 bottom and top) and renew or recondition.(For tightening torques refer to item 7.3.)

    - Replace gasket (pos. 9).

    - Assemble in reverse order.(For tightening torques refer to item 7.3.)

    - Secure with nuts (pos. 11) and tighten them crosswise. (For tightening torques refer to item 7.3.)

    (top)

    (bottom)

    Fig. 22: Series 450 DN40-150 with diverting plug Verteilkegel

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    Operating and installation instructions

    3-way control valves - STEVI 450 / 451

    DN125v-150v

    - Loose nuts (pos. 24).

    - Loose nuts (pos. 11).

    - Detach stuffing box housing (pos. 39).

    - Loose nut (pos. 4).

    - Pull plug (pos. 31) down.

    - Pull plug (pos. 40) with stem (pos. 41) up and replace.

    - Bolt new parts together, drill and pin them.

    - Unscrew seat rings (pos. 2 bottom and top) and renew or recondition(For tightening torques refer to item 7.3.)

    - Replace gasket (pos. 9).

    - Assemble in reverse order.(For tightening torques refer to item 7.3.)

    - Secure with nuts (pos. 11) and tighten them crosswise. (For tightening torques refer to item 7.3.)

    (top)

    (bot.)

    Fig. 23: Series 450 DN125v-150v with div. plug

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    Operating and installation instructions

    3-way control valves - STEVI 450 / 451

    7.3 Tightening torques

    7.3.1 Tightening torques for hexagon nuts (bonnet)

    7.3.2 Tightening torques for hexagon nuts (plug)

    7.3.3 Tightening torques for seat rings

    Refer to operating and installation instructions for actuator

    concerned for installing actuators!

    8.0 Troubleshooting

    In the event of malfunction or faulty operating performance check that the installation and adjustment work has been carried out and completed in accordance with these Operating Instructions.

    If malfunctions cannot be eliminate with the help of the following table 9.0 Troubleshooting table, the supplier or manufacturer should be consulted.

    (Pos. 11, 29, 20.8)

    M 10 = 15 - 30 Nm

    M 12 = 35 - 50 Nm

    M 16 = 80 - 120 Nm

    M 20 = 150 - 200 Nm

    (Pos. 4) (Pos. 60)

    M 10 = 50 Nm M 10 = 35 Nm

    M 12 = 85 Nm M 12 = 60 Nm

    M 16 = 180 Nm M 16 = 140 Nm

    M 20 x 1,5 = 360 Nm M 20 x 1,5 = 270 Nm

    (Pos. 2)

    DN 15 = 150 Nm

    DN 20 = 200 Nm

    DN 25 = 215 Nm

    DN 32 = 280 Nm

    DN 40 = 400 Nm

    DN 50 = 550 Nm

    DN 65 = 840 Nm

    DN 80 = 1170 Nm

    DN100 = 1680 Nm

    DN125 / 125v = 1700 Nm

    DN150 / 150v = 2000 Nm

    -

    ATTENTION !

    - It is essential that the safety regulations are observed when identifying faults.

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    Operating and installation instructions

    3-way control valves - STEVI 450 / 451

    9.0 Troubleshooting table

    ATTENTION !

    - read item 10.0 and 11.0 prior to dismantling and repair work!- read item 6.0 before restarting the plant !

    Fault Possible cause Corrective measures

    No flow Valve closed Open valve (using actuator)

    Flange covers not removed Remove flange covers

    Little flow Valve not sufficiently open Open valve (using actuator)

    Dirt sieve clogged Clean / replace sieve

    Piping system clogged Check piping system

    Kvs value of valve unsuitable Fit valve with higher Kvs value

    Stem moves in jerks. Stuffing box sealing too tight

    (for valves with graphite packings)

    Slacken screw joint (pos. 42/20.17) or

    hexagon nuts (pos. 24) slightly;

    valve must not start leaking!

    Valve plug slightly seized owing to solid

    dirt particles

    Clean internals, smooth rough spots.

    Stem or plug cannot be

    moved.

    Seatring and plug clogged with dirt;

    especially with V-port and perforated

    plugs

    Clean seatring and plug with suitable

    solvent

    Valve plug seized in seatring or guide

    owing to deposits or dirt in medium

    Replace plug and seatring; use parts

    made from different material if neces-

    sary

    Stem leaking. PTFE V-ring unit damaged or worn Replace ring pack; refer to item 7.2

    In valves with packed stuffing boxes

    tighten screw joint (pos. 42)

    Tighten screw joint (pos. 42) or hex.

    nuts (pos. 24); replace packing if nec-

    essary; refer to item 7.1.2

    Bellows defective in valves with bellow

    seal

    Replace bellows unit; refer to item

    7.1.3

    Leakage too high when

    valve is closed.

    Sealing surfaces of plug eroded or worn Replace plug; refer to item 7.2

    Sealing edge of seatring damages or

    worn

    Replace seatring; refer to item 7.2

    Seatring and/or plug dirty. Clean internal parts of the valve

    Pneumatic actuator not completely

    vented; spring force not fully effective

    Vent actuator air chamber completely

    Actuator not powerful enough Install more powerful actuator;

    check service data

    Stem hammers. flow in the closing direction Compare the plug operation (mixing- or

    diverting plug) with the application and

    if necessary exchange the fittings or

    increase actuator force

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    10.0 Dismantling the valve or the top part

    11.0 Warranty / Guarantee

    The extent and period of warranty cover are specified in the "Standard Terms and Conditions of Albert Richter GmbH & Co. KG" valid at the time of delivery or, by way of departure, in the contract of sale itself.

    We guarantee freedom of faults in compliance with state-of-the-art technology and the confirmed application.

    No warranty claims can be made for any damage caused as the result of incorrect handling or disregard of operating and installation instructions, datasheets and relavant regulations.

    This warranty also does not cover any damage which occurs during operation under conditions deviating from those laid down by specifications or other agreements.

    Justified complaints will be eliminated by repair carried out by us or by a specialist appointed by us.

    No claims will be accepted beyond the scope of this warranty. The right to replacement delivery is excluded.

    The warranty shall not cover maintenance work, installation of external parts, design modifications or natural wear.

    Any damage incurred during transport should not be reported to us but rather to the competent cargo-handling depot, the railway company or carrier company immediately or else claims for replacements from these companies will be invalidated.

    Technology for the Future.GERMAN QUALITY VALVES

    ARI-Armaturen Albert Richter GmbH & Co. KG, D-33756 Schlo Holte-StukenbrockTelephone (+49 5207) 994-0 Telefax (+49 5207) 994-158 or 159

    Internet: http://www.ari-armaturen.com E-mail: [email protected]

    ATTENTION !

    The following points must be observed:

    - Pressureless pipe system.

    - Medium must be cool.

    - Plant must be drained.

    - Purge piping systems in case of caustic, inflammable, aggressive or toxic media.

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  • Rev. 0040504000 4807 englisch

    1.0 General information on operating instructions....2

    2.0 Notes on possible dangers ....................................2

    2.1 Significance of symbols ........................................2

    2.2 Explanatory notes on safety information ...............2

    3.0 Storage and transport ............................................3

    4.0 Description ..............................................................3

    4.1 Scope of applications ............................................3

    4.2 Operating principles ..............................................3

    4.3 Diagram.................................................................4

    4.4 Technical data .....................................................10

    4.5 Marking ...............................................................11

    5.0 Installation .............................................................11

    5.1 General notes on installation...............................11

    5.2 Requirements at the place of installation