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  • Operating Instructions

    Pneumatic Control Valve

    Type 8021 Series GS1, GS2 and GS3

    With: Digital Positioner Type 8048 Electro-pneumatic Positioner Type 8047 Pneumatic Positioner Type 8047

    Version: 03/2006

    Manual-8021E.doc Art.-Nr: 1128021

    Bunsenstrasse Tel: (0841) 9654-0 www.schubert-salzer.com

    D-85053 Ingolstadt Fax: (0841) 9654-590

  • Schubert & Salzer Control Systems GmbH

    - 2 -

    Content

    1 Spare Parts List Series GS1................................................................................ 32 Spare Parts List Series GS2 and GS3................................................................. 43 Technical Data .................................................................................................... 54 Mounting.............................................................................................................. 65 Connection and Start-Up ..................................................................................... 7

    5.1 Valves With Pneumatic Positioner................................................................ 75.2 Valves With Electro-pneumatic Positioner.................................................... 7

    5.2.1 Plug Connection M12x1 ........................................................................ 85.2.2 Clamp Adaptor Connection................................................................. 85.2.3 Cable and Cable Bushing Connection .................................................. 9

    5.3 Valves With Digital Positioner Type 8048..................................................... 96 Adjusting The Positioner.................................................................................... 12

    6.1 Pneumatic Positioner ................................................................................. 126.1.1 Readjusting Zero Point........................................................................ 126.1.2 Adjusting Stroke .................................................................................. 126.1.3 Adjusting Supply Air Flow ................................................................... 12

    6.2 Electro-Pneumatic Positioner Type 8047 ................................................... 136.2.1 Adjusting ZERO .................................................................................. 136.2.2 Adjusting SPAN................................................................................... 136.2.3 Adjustment Variations ......................................................................... 136.2.4 Adjusting Supply Air Flow ................................................................... 14

    6.3 Digital Positioner Type 8048 ...................................................................... 156.3.1 Self Adjustment ................................................................................... 156.3.2 Manual Operation................................................................................ 156.3.3 Configuration....................................................................................... 16

    7 Replacing The Positioner .................................................................................. 177.1 Pneumatic Positioner ................................................................................. 177.2 Electro-Pneumatic Positioner Type 8047 ................................................... 177.3 Digital Positioner Type 8048 ...................................................................... 177.4 Replacing p/p- or i/p- to Digital Positioners ................................................ 18

    8 Replacing the Functional Unit............................................................................ 188.1 Series GS1................................................................................................. 18

    8.1.1 Dismounting ........................................................................................ 188.1.2 Mounting ............................................................................................. 18

    8.2 Series GS2 and GS3.................................................................................. 198.2.1 Dismounting ........................................................................................ 198.2.2 Mounting ............................................................................................. 19

    9 Dismounting and Mounting Of Valve ................................................................. 199.1 Dismounting the Lower Valve Part ............................................................. 199.2 Dismounting the Actuator ........................................................................... 199.3 Mounting the Actuator ................................................................................ 209.4 Mounting the Lower Valve Part and the Complete Valve ........................... 21

    10 Lubrication and Bonding Plan ........................................................................ 23

  • Schubert & Salzer Control Systems GmbH

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    22

    surface of support

    14

    43

    3

    4

    1

    17

    body with

    cpl. head section

    washer forhead section

    DU-bush

    sliding disc

    coupling ring cpl.

    position indicator

    angled coupling piece

    76

    2

    6

    5

    7

    7a

    2931

    324028

    151312

    11

    109

    8

    35

    26

    3330

    4138

    25

    2120

    1816

    19

    coupling cpl.

    valve stemnut G 1 1/4"

    valve plate

    fixing wire

    traction spring

    seal forfixing screw

    fixing screw forvalve plate

    bellowvalve stem with

    washer for column

    regulating nut with guidance

    screw pin

    regulating nuttube for packing

    seals for head section

    column

    nut for column

    guide sleeve

    thrust collarconical sealssupporting ringwasher for springpacking spring

    upper diaphragm housing

    spring for piston

    diaphragm discdiaphragm

    diaphragm plate

    nut for diaphragm plate

    nut for diaphragm housing

    lower diaphragm housing 27

    screw for diaphragm housing 37screw for diaphragm plate 39

    washer 25a

    interior lip seal 42

    128coupling piece

    tube 78

    131screw pin

    153adjusing springsensing pin 152

    1 Spare Parts List Series GS1

    (Use original Schubert & Salzer Control Systems spare parts only!)

  • Schubert & Salzer Control Systems GmbH

    - 4 -

    22

    42

    3

    9

    8

    2

    192931

    324028

    151312

    1110

    41

    39

    38

    37

    35

    3330

    27

    25a25

    2120

    17

    1816

    body with

    cpl. head section

    washer forhead section

    6

    5

    1

    4

    14

    angled coupling piece

    coupling cpl.

    sliding disc

    coupling ring cpl.

    valve stem

    diaphragm plate

    screw for diaphragm plate

    nut G 1 1/4"

    valve plate

    fixing wire

    traction spring

    bellow

    valve stem with

    washer for column

    regulating nut with guidance

    screw pin

    position indicator regulating nut

    tube for packing

    seal for head section

    column

    nut for column

    guide sleeve

    guide sleeve

    conical seal

    supporting ring

    washer for spring

    packing spring

    screw for diaphragm housing

    upper diaphragm housing

    diaphragm disc

    diaphragm

    lower diaphragm housing

    interior lip seal

    nut for diaphragm plate

    spring for piston 26

    nut for diaphragm housing

    washer

    76

    "DU"-bush 43

    surface of support

    128coupling piece

    tube 78

    202

    200

    bodycover 201

    positioner

    seal for bodycover

    screw for bodycover

    131screw pin

    153adjusing springsensing pin 152

    2 Spare Parts List Series GS2 and GS3

  • Schubert & Salzer Control Systems GmbH

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    Depending on the mounted positioner the connecting parts may differ from the parts shown in the spare parts list. If necessary please ask for a detailed spare parts list.

    Besides the individual spare parts repair kits are available for all valves containing all sealing and wear parts.

    3 Technical Data

    Technical data (valve):

    Series GS1 wafer-type design (body length acc. DIN EN 558-1 series 20)

    Series GS2 and GS3 wafer-type design

    Nominal sizes DN 15 up to DN 200 (1/2" up to 8")

    Nominal pressure acc. DIN PN 40

    (fits also to PN 10-25)DN 15 - DN 150

    PN 100 (GS3-series only) DN 15 - DN 80

    PN 16 (GS3 series only) DN 200

    Nominal pressure acc. ANSI ANSI 150 (GS3 series only) 1/2" - 8"

    ANSI 300 (GS3 series only) 1/2" - 6"

    ANSI 600 (GS3 series only) 1/2" - 3"

    Supply pressure 6 bar (90 psi) max.

    Fluid pressure (GS1 series, carbon steel) -10C up to +300C (14F up to 572F)

    (GS1, GS2 and GS3 series, stainless steel) -60C up to +350C (-76F up to 662F)

    Ambient temperature -10C up to +80C (14F up to 176F)

    Rangeability 40 : 1

    Leakage rate

    (% of Kvs/Cv-value)

    Functional unit

    carbon- stainless steel

    < 0,0001

    Functional unit

    STN2

    < 0,001

    Technical data (positioner):

    Digital positioner i/p-positioner p/p-positioner

    Input signal range 0/4 - 20 mA, 0/2 - 10 V 0/4 - 20 mA 0,2 - 1 bar

    Input resistance 100 Ohm 220 Ohm ( EEx: 420 Ohm )

    Supply voltage, electrical 24 V DC, maximal 10 W none none

    Supply air pressure max. 6 bar (87 psi) max. 6 bar (87 psi) max. 6 bar (87 psi)

    Hysteresis < 0,5 % < 1 % < 1 %

    R

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