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Gb Flange, Wafer Butterfly Valve(Metal Seat, Soft Seat)

Short Description:

PRODUCT STANDARDS

■ Design standards: GB/T 12238
■ Face to Face: GB/T 12221
■ Flange end: GB/T 9113, JB/T 79, HG/T 20592
■ Test standards: GB/T 13927

SPECIFICATIONS

■ Nominal pressure: PN0.6,1.0,1.6,2.5,4.0MPa

■ Shell test pressure: PT0.9,1.5, 2.4, 3.8, 6.0MPa

■ Low-pressure closure test: 0.6MPa

■ Suitable medium: water, oil, gas, acetic acid, nitric acid

■ Suitable temperature: -29℃~425℃


Product Detail

Product Tags

Product Description

Butterfly valve is a rotary valve with a disc – shaped closing part to turn 90° to open and close the valve.Butterfly valve has the advantages of compact structure, light weight, small space position, relatively small resistance, quick opening and closing.Butterfly valve as a valve used to realize the pipeline system on and off and flow control, is one of the valve varieties developed rapidly in the last decade.

The butterfly valve produced by the company in addition to the traditional midline structure, there is a more advanced three eccentric metal hard seal structure, the valve body and the valve seat are connected components, the valve seat sealing surface layer welding heat resistant, corrosion resistant alloy material.Multi-layer soft folded sealing surface is fixed on the butterfly plate, this butterfly valve compared with the traditional butterfly valve has high temperature resistance, light operation, open and close without friction, closed with the increase of the torque of the transmission mechanism to compensate the seal, improve the butterfly valve sealing performance and prolong the advantages of service life.

Product Structure

reg

Main Parts And Materials

Material Name

Carbon steel

Stainless steel

Body

WCB

CF8

CF8M

Disc

WCB

CF8

CF8M

Stem

13Cr

304

316

Seat Ring

304+Graphite

304+Graphite

324+Graphite

Packing

Graphite

Graphite

Graphite

MAIN SIZE AND WEIGHT

Flange Type Multiple Layers Metaluc Hard Seaung Butterfly Valve

Nominal diameter

Structure length (standard)
L

Extemal dimension(consut)

Connection dimension(stanciard)

H

D343

D673

D943

PN0.6MPa

PN1.OMPa

mm

Brief

Long

H1

A1

B1

L±2

A

B

H3

A3

B3

D

D1

Z-d

D

D1

Z-d

50

108

950

112

350

180

200

43

161

67

530

250

255

140

110

4-14

165

125

4-18

65

112

870

115

370

180

200

46

166

75

530

250

255

160

130

4-14

185

145

4-18

80

114

790

120

380

180

200

46

173

96

565

250

255

190

150

4-18

200

160

8-18

100

127

710

138

420

180

200

52

187

114

600

250

255

210

170

4-18

220

180

8-18

125

140

630

164

460

180

200

56

194

126

640

250

255

240

200

8-18

250

210

8-18

150

140

550

175

555

270

280

56

216

140

705

300

315

265

225

8-18

285

240

8-22

200

152

510

200

760

400

425

60

256

164

775

300

315

320

280

8-18

340

295

8-22

250

165

470

243

830

400

425

68

286

205

945

300

315

375

335

12-18

395

350

12-22

300

178

430

250

895

450

560

78

327

237

1070

300

315

440

395

12-22

445

400

12-22

350

190

390

280

950

450

560

78

348

260

1140

300

315

490

445

12-22

505

460

16-22

400

216

350

305

1190

535

580

1210

300

315

540

495

16-22

565

515

16-26

450

222

330

350

1255

535

580

1335

575

714

595

550

16-22

615

565

20-26

500

229

310

380

1305

535

580

1415

575

714

645

600

20-22

670

620

20-26

600

267

290

445

1340

570

660

1605

656

810

755

705

20-26

780

725

20-30

700

292

270

480

1520

750

550

1844

656

810

860

810

24-26

895

840

24-30

800

318

250

530

1710

750

550

2040

656

810

975

920

24-30

1015

950

24-33

900

330

230

580

1810

750

550

2255

785

863

1075

1020

24-30

1115

1050

28-33

1000

410

210

650

1960

900

750

2380

785

863

1175

1120

28-30

1230

1160

28-36

1200

470

200

760

2250

1000

925

2640

785

863

1405

1340

32-33

1455

1380

32-39

1400

530

190

850

2435

1000

925

2886

1630

1560

36-36

1675

1590

36-42

1600

600

180

1030

2780

1000

925

3156

1830

1760

40-36

1915

1820

40-48

1800

670

170

1230

3020

1100

980

3421

2045

1970

44-39

2115

2020

44-48

2000

760

150

1350

3270

1100

980

3685

2265

2180

48-42

2325

2230

48-48

Note: offer valve that normal diameter can reach to 2200~3200mm

Flange Type Multiple Layers Metallic Hard Seaung Butterfly Valve

Nominal diameter

Structure length (standard)
L

Extemal dimension(consut)

Connection dimension(stanciard)

H

D343

D643

D943

PN1.6MPa

PN2.5MPa

mm

Brief

H1

A1

B1

H2

A2

B2

H3

A3

B3

D

D1

Z-d

D

D1

Z-d

50

108

112

350

180

200

625

245

72

530

250

255

165

125

4-18

165

125

4-18

65

112

115

370

180

200

625

245

72

530

250

255

185

145

4-18

185

145

8-18

80

114

120

380

180

200

645

245

72

565

250

255

200

160

8-18

200

160

8-18

100

127

138

420

180

200

675

355

92

600

250

255

220

180

8-18

235

190

8-22

125

140

164

460

180

200

715

355

92

640

250

255

250

210

8-18

270

220

8-26

150

140

175

555

270

280

800

355

92

705

300

315

285

240

8-22

300

250

8-26

200

152

200

760

400

425

850

250

170

775

300

315

340

295

12-22

360

310

12-26

250

165

243

830

400

425

925

250

170

945

300

315

405

355

12-26

425

370

12-30

300

178

250

895

450

560

1035

450

220

1070

300

315

460

410

12-26

485

430

16-30

350

190

280

950

450

560

1070

450

220

1140

300

315

520

470

16-26

555

490

16-33

400

216

305

1190

535

580

1190

450

220

1210

300

315

580

525

16-30

620

550

16-36

450

222

350

1255

535

580

1250

650

280

1335

575

714

640

585

20-30

670

600

20-36

500

229

380

1305

535

580

1290

650

280

1415

575

714

715

650

20-33

730

660

20-36

600

267

445

1340

570

660

1455

850

380

1605

656

810

840

770

20-36

845

770

20-39

700

292

480

1520

750

550

1585

850

380

1844

656

810

910

840

24-36

960

875

24-42

800

318

530

1710

750

550

1700

1250

380

2040

656

810

1025

950

24-39

1085

990

24-48

900

330

580

1810

750

550

1865

1250

380

2255

785

863

1125

1050

28-39

1185

1090

28-48

1000

410

650

1960

900

750

2015

1250

380

2380

785

863

1255

1170

28-42

1320

1210

28-56

1200

470

760

2250

1000

925

2250

1250

380

2640

785

863

1485

1390

32-48

1530

1420

32-56

1400

530

850

2435

1000

925

2886

1685

1590

36-48

1755

1640

36-62

1600

600

1030

2780

1000

925

3156

1930

1820

40-56

1975

1860

40-62

1800

670

1230

3020

1100

980

3421

2130

2020

44-56

2195

2070

44-70

2000

760

1350

3270

1100

980

3685

2345

2230

48-62

2425

2300

48-70

Flange Type Multiple Layers Metaluc Hard Seaung Butterfly Valve

Nominal diameter

Structure length (standard)
L

Extemal dimension(consut)

Connection dimension(stanciard)

H

D343

D643

D943

PN4.0MPa

mm

Brief

Long

H1

A1

B1

H2

A2

B2

H3

A3

B3

D

D1

Z-d

50

108

150

112

350

180

200

625

250

170

530

250

255

165

125

4-18

65

112

170

115

370

270

280

625

250

170

530

250

255

185

145

8-18

80

114

180

120

380

270

280

645

250

170

565

250

255

200

160

8-18

100

127

190

138

420

270

280

675

250

170

600

250

255

235

190

8-22

125

140

200

164

460

380

420

715

450

220

640

250

255

270

220

8-26

150

140

210

175

555

380

420

800

450

220

705

300

315

300

250

8-26

200

152

230

200

760

400

425

850

450

220

775

300

315

375

320

12-30

250

165

250

243

830

400

425

925

450

280

945

300

315

450

385

12-33

300

178

270

250

895

450

560

1035

650

280

1070

300

315

515

450

16-33

350

190

290

280

950

450

560

1070

650

280

1140

300

315

580

510

16-36

400

216

310

305

1190

535

580

1190

650

280

1210

300

315

660

585

16-39

450

222

330

350

1255

535

580

1335

575

714

685

610

20-39

500

229

350

380

1305

535

580

1415

575

714

755

670

20-42

Usefs attention: Dimension of HI, H2, H3 in form can lengthen (long stem butterfly valve) according to customer’s requirements, thisproduct according to short series generaly, if need long series or special material should be mentioned whie ordering.


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