Diaphragm: Buna-N (standard, to 200°F; 93,3°C)

Stem Packing: Spring-loaded Teflon (to 500°F; 260°C); Graph-ite (to 1200°F; 649°C)

Service: steam, water, oil, gas, air and chemicals

Shutoff: ANSI Class IV

Ranges: 3-15, 3-9, 9-15, 6-30 psi (0,21-1,03, 0,21-0,62, 0,62-1,03, 0,41-2,07 bar)

Action:• Direct (air signal closes valve)• Reverse (air signal opens valve)

Positioner: Side or top-mounted positioners are available toensure that the valve stem position is always directly propor-tional to the control system output signal. See the Positionersection for more details.

Body Rating:• Ductile Iron up to 988 psi (68,12 bar) @ 100°F (38°C) and

715 psi (49,29 bar) @ 650°F (343,3°C)• Carbon Steel and Stainless Steel up to 1440 psi (99,28 bar)

@ 100°F (38°C) and 890 psi (61,36 bar) @ 650°F (343,3°C)• Bronze up to 500 psi (34,5 bar) @ 100°F (38°C) and 325 psi

(22,41 bar) @ 500°F (260°C)• Temperature limit of -20°F (-28,9°C) on all materials; for

other temperatures, consult factory

SPECIFICATIONS

Mark 701/702 SeriesHigh-Flow and Super High-FlowControl Valves

The Mark 701/702 high-flow and super high-flow sliding gatecontrol valves provide:

� Shorter stroke than a globe or plug-style valve• Faster response• Longer packing and seat life• Stem packing is four times deeper than stem

travel — for greater protection against leakage• Smaller and lighter weight than globe-style valves

� Straight through -flow• Less turbulence, erosion and noise• Improved rangeability

� Ease of maintenance• Interchangeable seats and Cv’s• Fewer spare parts• Self-cleaning seats• No gaskets or o-rings

Sizes: 1/2” through 2” (DN15 through DN50)

End Connections• Threaded (NPT, BSPT, BSPP)• ANSI Flanges (150#, 300#)• DIN Flanges (PN10/16, PN25/40)

Body Materials• Ductile Iron• Bronze• Carbon Steel (WCB)• Stainless Steel (CF8M)

Trim Materials:• 303SS for CI, DI, BRZ & CS body valves• 316SS for SS body valves

Seat Materials:• Jorcote on SST — Standard• Jorcote/Jordanic on SST — For Severe Service• Chrome Plated SST — Economical option for light duty

service

Yoke: Cast Iron

Actuator: Steel

-9-

MK701/702 HIGH FLOW & SUPER HIGH-FLOW CONTROL VALVES

vC)vK(

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rotautcAM55/wM53

renoitisoP

)5,5(4.6"4/3&"2/1

)02&51(TSS )26,8(521 )43,01(051

etocroJ )97,31(002 )42,71(052

)0,6(0.7 )51("2/1TSS )26,8(521 )43,01(051

etocroJ )97,31(002 )42,71(052

)2,8(5.9 )02("4/3TSS )26,8(521 )43,01(051

etocroJ )97,31(002 )42,71(052

)9,21(51"4/1-1&"1

)23&52(TSS )98,6(001 )98,6(001

etocroJ )43,01(051 )97,31(002

)5,51(81 )52("1TSS )98,6(001 )98,6(001

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)5,12(52 )23("4/1-1TSS )98,6(001 )98,6(001

etocroJ )43,01(051 )97,31(002

)8,52(03"2&"2/1-1

)05&04(TSS )98,6(001 )98,6(001

etocroJ )43,01(051 )97,31(002

)7,83(54 )04("2/1-1TSS )98,6(001 )98,6(001

etocroJ )43,01(051 )97,31(002

)34(05 )05("2TSS )98,6(001 )98,6(001

etocroJ )43,01(051 )97,31(002

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CV VALUES AND MAXIMUM ALLOWABLE DIFFERENTIAL PRESSURE RATINGS

CV VERSUS TRAVEL CHART

� Mark 701

� Mark 702

levarT@vCevlaVeziS

taeSeziS

%5 %01 %02 %03 %04 %05 %06 %07 %08 %09 %001 LF

"2/1"2/1 15.0 68.0 5.1 1.2 8.2 5.3 3.4 7.4 6.5 1.6 4.6 88.0

"4/3 41.0 91.0 44.0 2.1 9.1 8.2 6.3 2.4 0.5 8.5 0.7 88.0

"4/3"2/1 21.0 24.0 88.0 4.1 9.1 4.2 0.3 5.3 4.4 5.5 4.6 77.0

"4/3 60.0 41.0 68.0 5.1 4.2 2.3 0.4 0.5 2.6 8.7 5.9 57.0

"1"1 72.0 49.0 1.2 4.3 5.4 0.6 5.7 4.9 5.11 5.31 0.51 18.0

"4/1-1 47.0 07.1 9.2 2.4 9.5 0.8 4.9 7.11 2.41 7.61 0.81 37.0

"4/1-1"1 81.0 26.0 6.1 7.2 3.3 0.5 5.6 3.8 8.9 9.11 0.51 17.0

"4/1-1 41.0 88.0 5.2 7.3 8.5 8.7 3.01 6.21 6.51 7.91 0.52 07.0

"2/1-1"2/1-1 05.0 05.1 9.2 7.4 6.6 1.9 8.11 6.41 7.22 8.72 0.03 66.0

"2 56.0 09.0 8.2 3.5 0.8 0.11 8.41 4.91 1.62 2.63 0.54 46.0

"2"2/1-1 61.0 64.0 9.1 3.3 2.5 4.7 8.9 1.31 7.71 8.42 0.03 66.0

"2 70.0 06.1 5.3 4.6 5.9 1.31 1.71 0.32 4.13 1.44 0.05 36.0

levarT@vCevlaVeziS

%5 %01 %02 %03 %04 %05 %06 %07 %08 %09 %001 LF

"2/1-1 0.2 5.4 9.7 5.21 6.71 5.22 5.82 8.53 4.34 7.55 0.56 16.0

"2 83.0 9.2 8.5 4.9 0.51 4.91 3.52 5.23 7.04 7.05 0.07 16.0

*Higher �P’s available with optional larger actuators

-10-

MK701/702 HIGH FLOW & SUPER HIGH-FLOW CONTROL VALVES

DIMENSIONS

D

1/4 NPT

B

C

A

A1

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"2/1ZRB/ID 26.3 83.01 81.2 05.21 53SS/SC 56.3 83.01 81.2 05.21 53

"4/3ZRB/ID 26.3 83.01 81.2 05.21 53SS/SC 56.3 83.01 81.2 05.21 53

"1ZRB/ID 21.4 26.01 26.2 05.21 73SS/SC 21.4 26.01 26.2 05.21 93

"2/1-1ZRB/ID 05.4 78.01 26.2 05.21 04SS/SC 05.5 78.01 00.3 05.21 34

"2ZRB/ID 05.4 00.11 26.2 05.21 04SS/SC 05.5 00.11 00.3 05.21 34

eziSND

lairetaM)mm(snoisnemiD thgieW

)gk(A B C D

51ZRB/ID 29 462 55 813 61SS/SC 39 462 55 813 61

02ZRB/ID 29 462 55 813 61SS/SC 39 462 55 813 61

52ZRB/ID 501 072 76 813 71SS/SC 501 072 76 813 81

04ZRB/ID 411 482 76 813 81SS/SC 041 482 67 813 02

05ZRB/ID 411 482 76 813 81SS/SC 041 482 67 813 02

� Mark 701/702 Threaded Ends

� Mark 701/702 Threaded Ends, DIN

-11-

11001000900800700600500400300

200100

00 200 300 400 500 600 700100

� Ductile Iron

1600

1400

1200

1000

800

600

400

200

02001000 300 400 500 600 700

� Stainless Steel

� Carbon Steel

1600

1400

1200

1000

800

600

400

200

02001000 300 400 500 600 700

� Bronze

600

500

400

300

200

100

02001000 300 400 500 600

150 BR

PRESSURE-TEMPERATURE CHARTS — MK701/702

Temperature, °F

Temperature, °F

Temperature, °F

Pre

ssu

re,

PS

IP

ress

ure

, P

SI

Pre

ssu

re,

PS

I

Pre

ssu

re,

PS

I

300/TE BR

150SS

300SS

600/TE/SW SSSS/Has CBellows PTFE Pack

Std. Bolt

150CS300CS600/TE/SW CSSS/Has CBellowsPTFE Pack.

Std. Bolt

150DI

300DI

600/TE/DISS/Has CBellows

PTFEPack.Std. Bolt

-18 93 149 204 260 316 37138Temperature, °C

76696255

4841

342821147

Pre

ssu

re,

BA

R

0

-18 93 149 204 260 316 37138Temperature, °C

110

97

83

69

55

41

28

14

0

Pre

ssu

re,

BA

R

9338-18 149 204 260 316

Temperature, °F

Temperature, °C

41

34

28

21

14

7

0

Pre

ssu

re,

BA

R

110

97

83

69

55

41

28

14

0

Pre

ssu

re,

BA

R

9338-18 149 204 260 316 371Temperature, °C

1 ledoM

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207 wolFhgiHrepuSPT207 renoitisoPpoThtiwwolFhgiHrepuS

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5 mirT

3T gkPEFT/SS3036T gkPEFT/SS613

6 lairetaMtaeS

A TSS303B TSS613V etocroJ/SS303W etocroJ/SS613

7 )vK(vC

K )62,5(1.6 T )96,02(0.427 )25,5(4.6 A )55,12(0.52L )30,6(0.7 B )68,52(0.03M )67,7(0.9 V )71,03(0.538 )91,8(5.9 W )97,83(0.54Q )70,21(0.41 C )01,34(0.059 )39,21(0.51 Y )30,65(0.56R )25,51(0.81 E )43,06(0.07

8 rotautcA

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3A3B3A RID51-3

M533A3B3B VER51-3

3A3B3G RID03-6

3A3B3H VER03-6

5A5B5A RID51-3

M555A5B5B VER51-3

5A5B5G RID03-6

5A5B5H VER03-6

8A8B8A RID51-3

M588A8B8B VER51-3

8A8B8G RID03-6

8A8B8H VER03-6

9 seirosseccA

00 enoNRA rotalugeRriA3H rotautcAM53leehwdnaH5H rotautcAM55leehwdnaH8H rotautcAM58leehwdnaH6S gnitloBSS613ST elacSlevarT

01 noitcA

D esolC-ot-riAR nepO-ot-riA

11 P/I

0 enoN3 rotautcAM53P/I5 rotautcAM55P/I8 rotautcAM58P/I

1—

2—

3/

4 5 6 7 8 9 01 11

MK701/702 HIGH FLOW & SUPER HIGH-FLOW CONTROL VALVES

ORDERING SCHEMATIC

-12-