Categories

Hot Products

Forged Gate Valves

Pressure Seal Gate Valves

Diantai's proven pressure seal design.
Diantai flexible wedge offers superior tightness of seats and freedom from sticking.
Wedge guiding minimizes seat rubbing and scuffing resulting in long cycle life.
Send Inquiry

pressure seal flexible wedge gate valves are ideal for high pressure steam (main steam isolation), liquid (feedwater isolation), catalytic reformers, hydrocrackers and other tough services.

● Diantai's proven pressure seal design.

● Diantai flexible wedge offers superior tightness of seats and freedom from sticking.

● Wedge guiding minimizes seat rubbing and scuffing resulting in long cycle life.

● 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 - 24 (DN 50 - 600)

● Pressure rating

● ASME Classes 600 - 4500

● Standard connections

● Socket weld, Butt weld


Flanged End 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)Note: Other materials are available upon request.


NPS

1/2

3/4

1

1/4

1-1/2

2


L(RTJ)

900Lb 1500Lb

216

229

254

279

305

368

2500Lb

264

273

308

349

384

451


H(OPEN)

900Lb 150Lb

216

250

270

320

350

445

2500Lb

321

321

321

373

406

495


W

160

160

180

200

250

280


Weights

900Lb 1500Lb

19.6

21.5

25.7

37.8

48.5

99.8

2500Lb

21.5

24.7

30.4

48.1

58.1

130.0



hhhh

Hot Tags: pressure seal gate valves, manufacturers, distributor, solutions, wholesale, service
Previous:Pressure Seal Globe Valves/Next:No Information
  • QR CODE
  • facebook