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Pneumatic knife gate valve

PRODUCTS > Gate Valve > Pneumatic knife gate valve

Pneumatic knife gate valve

公稱通徑：DN150~1000 mm
適用溫度：four fluorine rubber seal 180 ℃ or less hard seal 425 ℃ or less
閥體材質(zhì)：Carbon steel, stainless steel 304， 316， 316L
適用介質(zhì)：Pulp, sewage, gas, etc
執(zhí)行標(biāo)準(zhǔn)：JB/T8691-1998,JB/T15188.2-94,GB/T9113.1-2000 JB/T79-94,GB/T13927-92
shared：

Execution Standard

Design specification

Structural length

Connecting flange

Test and inspection

JB/T8691-1998

JB/T15188.2-94

GB/T9113.1-2000 JB/T79-94

GB/T13927-92



Main Parts and Materials


Body and cover


Carbon steel, stainless steel

 Ram

 Stainless steel

 Stem

 Stainless steel


Sealing ring

Rubber, teflon, stainless steel, hard alloy


Performance Specification


Nominal pressure

PN


Shell test

1.5XPN


Sealing test

1.1XPN


Working temperature


four fluorine rubber seal 180 ℃ or less hard seal 425 ℃ or less


Applicable medium

 Pulp, sewage, gas, etc


Main Outline Connection Dimention


PN(MPa)

DN(mm)

L

D

D1

D2

H

N-M

D0

150

70

280

240

210

730

8-M20

280

 

 

 

 

 

 

1.0

200

80

335

295

265

910

8-M20

360

250

85

390

350

320

1050

12-M20

360

300

100

440

400

368

1265

12-M20

400

350

100

500

460

428

1470

16-M20

400

400

110

565

515

482

1630

16-M22

400

450

120

615

565

532

1810

20-M22

530

500

130

670

620

585

1970

20-M22

530

600

140

780

725

685

2290

20-M27

600

700

165

895

840

800

2560

24-M27

600

800

190

1010

950

905

2990

24-M30

680

900

200

1110

1050

1005

3200

28-M30

680

1000

-

1230

1160

1112

3800

28-M33

-