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Forged Globe Valves

Pressure Seal Globe Valves

Diantai's proven pressure seal design.
Unique parallel slide forged cage unit design comprises all operating parts of the slide discs.
Designed to ASME B16.34.
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Diantai  pressure seal parallel slide gate valves are ideal for clean service and steam.

● Diantai's proven pressure seal design.

● Unique parallel slide forged cage unit design comprises all operating parts of the slide discs.

● Designed to ASME B16.34.

● Body made of superior strength forgings and optional cast steel.

● Diantai stem seal offers tight seal with little to no maintenance over long periods of time.

● Optional live-loading of packing.

● Non-rotating stem.

● Hardfaced seating faces resist erosion.

● Other sizes and pressure classes available. Contact the company for specifications.

● Size range(s)

NPS 2 - 16 (PS 50 - 400)

● Pressure rating

● ASME Classes
600 - 4500

● Standard connections

● Socket weld, Butt weld


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Pressure-seal Gate Valve 900Lb~2500Lb      Standard  Material Specifications


     NO.

Part Name

CS to ASTM

AS to ASTM

SS to ASTM

Type A105

Type F22

Type F304(L)

Type F316(L)

1

Body

A105

A182     F22

A182     F304(L)

A182     F316(L)

2

Seat

A276 420

A276 304

A276 304(L)

A276 316(L)

3

Wedge

A276 430&410

A182     F304

A182     F304(L)

A182     F316(L)

4

Stem

A182     F6

A182     F304

A182     F304(L)

A182     F316(L)

5

Pressure Seat

A105

A182     F304

A182     F304(L)

F316(L)

6

Pressure Ring

A276 304L

A276 316L

7

Bonnet

A105

A182     F22

A182     F304(L)

A182     F316(L)

8

Gland Eye hold

A193 B7

A193 B16

A193 B8(M)

 

9

Pin

A276 420

A182     F304(L)

10

Stem Packing

Flexible Graphite

PTFE

11

P.S. Lock Nut

A194 2H

A194 4

A194 8

A194 8M

12

Gland

A276     F420

A182     F304

13

Gland Flange

A216 WCB

A351 CF8

14

Nut

A194 2H

A194 4

A194 8

A194 8M

15

Yoke Nut

A276-410

16

Retaining Nut

A194 2H

A194 4

A194 8

A194 8M

17

Hand wheel

A197

18

H.W. Lock Nut

A194 2H

A194 4

A194 8

A194 8M

19

Oil Cup

Brass

Suitable Medium

W.O.G. etc

W.O.G. etc

HNO3,CH3OOH etc

Suitable Temperature

-29 425 font

-29 550 font

-29 180 font

Note: Other materials are available upon  request. 
 Dimensions (mm) and Weights (Kg)


NPS

1/2~

3/4~

1~

1-1/4~

1-1/2~

2~


L

900~1500Lb

140

140

140

178

178

216

2500Lb

186

186

186

232

232

279


H(OPEN)

321

321

321

380

414

502


W

160

160

180

200

250

280


Weights

900Lb~1500Lb

11.5

10.8

10.5

19.6

21.0

55.4

2500Lb

12.3

11.6

10.8

26.0

28.4

60.0



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