Location:PRODUCTS >> Gate valve >> Manual knife gate valve
Manual knife gate valve
Model: PZ73H
Nominal diameter: NPS2 "~ 32", DN50 ~ 1200mm
Nominal pressure: CL150, PN1.0 ~ 16.0MPa
Operating temperature: ≤425 ℃
Design criteria: API 600, API6D, ASME B16.34, GB / T 12234
Construction Length: ASME B16.10, API6D, GB / T 12221
Connection Standards: ASME B16.5, ASME B16.47, GB / T 9113, JB / T79, T 20592
Pressure test: API 598, GB / T 13927, JB / T 9092
Pressure - Temperature class: ASME B16.34, GB / T 12224

First, manual knife gate valve performance specifications

Nominal pressure (MPa)

Shell test (MPa)

Seal test (MPa)

Operating temperature

Suitable media

1.0 
1.6

1.5 
2.4

1.1 
1.8

≤100 ℃ 
≤425 ℃

Pulp, sewage, coal slurry, ash, slag water mixture


 Second, manual knife gate valve parts and components of the material

Body, cover

gate

Valve stem

Sealing surface

Stainless steel, carbon steel, gray cast iron

Carbon steel, stainless steel

stainless steel

Rubber, PTFE, stainless steel, carbide


 Third, the main knife-shaped gate valve shape and connection dimensions (mm)

MPa

DN

L

D

D1

D2

H

NM

D0

W (Kg)

1.0

50

43

160

125

100

285

4-M16

180

8

65

46

180

145

120

298

4-M16

180

10

80

46

195

160

135

315

4-M16

220

12

100

52

215

180

155

365

8-M16

220

14

125

56

245

210

185

400

8-M16

230

22

150

56

280

240

210

475

8-M20

280

29

200

60

335

295

265

540

8-M20

360

38

250

68

390

350

320

630

12-M20

360

66

300

78

440

400

368

780

12-M20

400

100

350

78

500

460

428

885

16-M20

400

119

400

102

565

515

482

990

16-M22

400

195

450

114

615

565

532

1100

20-M22

530

285

500

127

670

620

585

1200

20-M22

530

389

600

154

780

725

685

1450

20-M27

600

529

700

165

895

840

800

1700

24-M27

600

790

800

190

1010

950

898

2000

24-M30

680

850

900

203

1110

1050

1005

2300

28-M30

680

900

1000

216

1220

1160

1115

2500

28-M30

700

1050

1200

254

1450

1380

1325

2800

32-M36

800

1300

1.6

50

43

160

125

99

285

4-M16

180

8.5

65

46

185

145

120

295

4-M16

180

10.7

80

46

200

160

135

315

8-M16

220

13

100

52

220

180

155

365

8-M16

220

15

125

56

250

210

185

400

8-M16

230

23.5

150

56

285

240

210

475

8-M20

280

31

200

60

340

295

265

540

12-M20

360

40.7

250

68

405

355

310

630

12-M22

360

70

300

78

460

410

375

780

12-M22

400

107

350

78

520

470

435

885

16-M22

400

129

400

102

580

525

485

990

16-M27

400

215

450

114

640

585

545

1100

20-M27

530

305

500

127

715

650

609

1200

20-M30

530

410

600

154

840

770

720

1450

20-M36

600

550

700

165

910

840

788

1700

24-M36

600

820

800

190

1025

950

898

2000

24-M36

680

950

900

203

1125

1050

998

2300

28-M36

680

1020

1000

216

1255

1170

1110

2500

28-M42

700

1120

1200

254

1485

1390

1325

2800

32-M48

800

1480


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