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50～2000

Nominal pressurePN（MPa)

0.6

1.0

                  1.6

2.5

Sealing test(MPa)

0.66

1.1

1.76

2.75

Strength test(MPa)

0.9

1.5

2.4

3.75

Suitable temperature

carbon steel: -29℃～425℃ Stainless steel: -40℃～650℃

Applicable medium

Water, air, natural gas, oil and weakly corrosive fluids

Leakage rate

GB/ t13927-92 standard

Driving mode

Worm drive, electric, pneumatic, hydraulic

Part name

material

The body

WCB,Alloy steel,Stainless steel,QT450-10

Butterfly plate

WCB、Alloy steel,Stainless steel,QT450-10

Valve shaft

2Cr13Stainless steel,Alloy steel

Sealing ring

Stainless steel coil

Packing

Flexible graphite

Nominal diameter(DN)

Main dimensions

Flange size and bolt specification

1.0MPa

1.6MPa

2.5MPa

L

H1

H

D

D1

n-Фd

D

D1

n-Фd

D

D1

n-Фd

50

108

530

112

165

125

4-18

165

125

4-18

165

125

4-18

65

112

530

115

185

145

4-18

185

145

4-18

185

145

8-18

80

114

565

120

200

160

4-18

200

160

8-18

200

160

8-18

100

127

600

138

220

180

8-18

220

180

8-18

235

190

8-22

125

140

640

164

250

210

8-18

250

210

8-18

270

220

8-26

150

140

705

175

285

240

8-22

285

240

8-22

300

250

8-26

200

152

775

200

340

295

8-22

340

295

12-22

360

310

12-26

250

165

945

243

395

350

12-22

405

355

12-26

425

370

12-30

300

178

1070

250

445

400

12-22

460

410

12-26

485

430

16-30

350

190

1140

280

505

460

16-22

520

470

12-26

555

490

16-33

400

216

1210

305

565

515

16-26

580

525

16-26

620

550

16-36

450

222

1335

350

615

565

20-26

640

585

16-30

670

600

20-36

500

229

1415

380

670

620

20-26

715

650

20-30

730

660

20-36

600

267

1605

445

780

725

20-30

840

770

20-33

845

770

20-39

700

292

1844

480

895

840

24-30

910

840

24-36

960

875

24-42

800

318

2040

530

1015

950

24-33

1025

950

24-39

1085

990

24-48

900

330

2255

580

1115

1050

28-33

1125

1050

28-39

1185

1090

28-48

1000

410

2380

650

1230

1160

28-36

1255

1170

28-42

1320

1210

28-56

1200

470

2640

760

1455

1380

32-39

1485

1390

32-48

1530

1420

32-56

1400

530

2886

850

1675

1590

36-42

1685

1590

36-48

1755

1640

36-62

1600

600

3156

1030

1915

1820

40-48

1930

1820

40-56

1975

1860

40-62

1800

670

3421

1230

2115

2020

44-48

2130

2020

44-56

2195

2070

44-70

2000

760

3685

1350

2325

2230

48-48

2345

2230

48-62

2425

2300

48-70