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DS363H double pressure welding butterfly valve

Product Overview

DS363H double pressure welding butterfly valve adopts three eccentric structure. It is an ideal hard sealing butterfly valve with bubble stage seal in high temperature, high pressure and fire protection applications. Because of the welding structure, the valve and the pipeline plane achieve permanent zero leakage. The welding butterfly valve has no flange, which brings great convenience for the pipeline insulation wrapping.

Structural characteristics

1. Compact structure, small size, light weight, flexible operation, easy to use;
2. The three-dimensional eccentric multi-layer hard sealing structure is adopted, and its sealing performance is reliable and reaches zero leakage;
3. The valve has no flange, which brings great convenience and beauty to the insulation and wrapping of pipeline;
4. It has the characteristics of high temperature, high pressure, corrosion resistance and wear resistance

Execution standard

Design and Manufacture: GB/T12238, JB/T8527
Welding size: GB/T12224
Structure length: GB/T122
Test and inspection: GB/T13927, JB/T9092

Performance parameter

Product specification: DN50~700mm
Pressure class: PN0.6~ 4.0mpa
Applicable medium: water, steam, oil, acid corrosive, etc
Applicable temperature: Carbon steel: -29℃~425℃ Stainless steel: -40℃~600℃
Transmission form: worm drive, pneumatic drive, electric drive, hydraulic drive

Product Dimensions

Nominal pressure PN0.6MPa

Nominal pressure PN1.0MPa

DN

Boundary dimensions

WT (kg)

Boundary dimensions

WT (kg)

mm

L

D

d

H

H1

A

B

L

D

d

H

H1

A

B

600

390

636

602

499

1280

570

660

450

390

636

602

499

1280

570

660

465

700

430

726

692

566

1480

750

550

660

430

726

692

566

1480

750

550

680

800

470

826

792

632

1608

750

550

780

470

826

792

632

1608

750

550

810

900

510

926

892

693

1857

750

550

820

510

926

892

693

1857

750

550

860

1000

550

1028

992

757

2038

900

750

1460

550

1028

992

757

2038

900

750

1625

1200

630

1228

1192

851

2237

1000

925

1590

630

1228

1192

851

2237

1000

925

1770

1400

710

1428

1392

876

2411

1000

925

2185

710

1428

1392

876

2411

1000

925

2425

1600

790

1628

1592

1095

2756

1000

925

3210

790

1628

1592

1095

2756

1000

925

3560

1800

870

1828

1792

1214

3093

1100

980

4090

870

1828

1792

1214

3093

1100

980

4545

2000

950

2028

1992

1332

3355

1100

980

5610

950

2028

1992

1332

3355

1100

980

6230


Nominal pressure PN1.6MPa

Nominal pressure PN1.6MPa

DN

Boundary dimensions

WT (kg)

DN

Boundary dimensions

WT (kg)

mm

L

D

d

H

H1

A

B

mm

L

D

d

H

H1

A

B

80

114

90

78

90

356

180

200

27

600

390

636

602

509

1369

570

660

457

100

127

110

96

100

375

180

200

34

700

430

726

692

572

1492

750

550

810

125

140

135

121

113

401

180

200

41

800

470

826

792

638

1622

750

550

1093

150

210

161

146

130

450

270

280

43

900

510

926

892

700

1924

750

550

1410

200

230

222

202

205

545

400

425

81

1000

550

1028

992

765

2054

900

750

1870

250

250

278

254

235

630

400

425

102

1200

630

1228

1192

860

2259

1000

925

2082

300

270

330

303

275

715

450

560

132

1400

710

1428

1392

986

2610

1000

925

2850

350

290

382

351

309

817

450

560

164

1600

790

1628

1592

1106

2856

1000

925

4235

400

310

432

398

346

923

535

580

193

1800

870

1828

1792

1226

3121

1100

980

5346

450

330

484

450

392

1059

535

580

238

2000

950

2028

1992

1345

3385

1100

980

7328

500

350

535

501

427

1126

535

580

302

-

-

-

-

-

-

-

-

-


Nominal pressure PN2.5MPa

Nominal pressure PN4.0MPa

DN

Boundary dimensions

WT (kg)

Boundary dimensions

WT (kg)

mm

L

D

d

H

H1

A

B

L

D

d

H

H1

A

B

80

114

90

78

90

356

180

200

38

180

90

78

108

430

180

200

39

100

127

110

96

106

387

180

200

40

190

110

96

108

392

180

200

50

125

140

135

121

122

413

180

200

60

200

135

120

120

414

180

200

75

150

210

161

146

136

459

270

280

65

210

161

145

135

494

270

280

100

200

230

222

202

215

585

400

425

85

230

222

200

202

578

400

425

135

250

250

278

254

247

649

400

425

135

250

278

252

235

673

400

425

190

300

270

330

303

288

771

450

560

175

270

330

301

280

793

450

560

240

350

290

382

351

333

929

450

560

195

290

382

351

315

921

450

560

320

400

310

432

398

359

993

535

580

295

310

432

398

355

1021

535

580

450

450

330

484

450

405

1053

535

580

350

330

484

448

370

1143

535

580

500

500

350

535

501

444

1245

535

580

510

350

535

495

420

1192

535

580

560

600

390

636

602

521

1750

570

660

625

390

636

595

490

1327

570

660

720

700

430

726

692

586

1519

750

550

925

-

-

-

-

-

-

-

-

800

470

826

792

659

1659

750

550

1260

-

-

-

-

-

-

-

-

900

510

926

892

720

1829

750

550

1790

-

-

-

-

-

-

-

-

1000

550

1028

992

780

1949

900

750

1940

-

-

-

-

-

-

-

-

1200

630

1228

1192

889

2243

1000

925

2810

-

-

-

-

-

-

-

-

1400

710

1428

1392

1000

2262

1000

925

3500

-

-

-

-

-

-

-

-

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