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Double Discs Wafer Check Valve,China Double Discs Wafer Check Valve
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Double Discs Wafer Check Valve

Double Discs Wafer Check Valve



Double Discs Wafer Check Valve


Pressure
rating

DN

Dimension

kg
Weight

Flange (as referenced)

NPS

DN

L

D

D3

D2

The diameter of the circle of bolt ,D1

Quantity of the bolt

Diameter of the bolt,d

Length of the bolt,L1

in

mm

RF

RJ

Class150
PN2.OMPa

2

50

60

103

56

51

2

120.5

4

5/8

M16

140

155

21/2

65

67

122

73

65

3

139.5

4

5/8

M16

150

165

3

80

73

135

88

80

4

152.5

4

5/8

M16

160

175

4

100

73

173

108

102

6

190.5

8

5/8

M16

170

185

5

125

86

195

132

127

8

216.0

8

3/4

M20

190

205

6

150

98

220

160

152

13

241.5

8

3/4

M20

205

220

8

200

127

337

210

203

25

298.5

8

3/4

M20

240

255

10

250

146

337

266

254

39

362.0

12

7/8

M24

270

285

12

300

181

407

310

305

64

432.0

12

7/8

M24

310

325

14

350

184

448

355

350

85114

476.0

12

1

M27

325

340

16

400

191

512

405

400

138

540.0

16

1

M27

340

355

18

450

203

547

455

450

163

578.0

16

11/8

M30

365

380

20

500

219

604

505

500

285

635.0

20

11/8

M30

385

400

24

600

222

715

605

600

380

749.5

20

11/4

M33

405

420

28

700

305

773

700

700

425

795.5

40

3/4

M20

455

-

30

750

305

824

750

746

560

846.0

44

3/4

M20

455

-

32

800

305

878

800

796

640

900.0

48

3/4

M20

460

-

36

900

368

983

910

898

960

1009.5

44

7/8

M24

540

-

42

1050

432

1142

1055

1050

1400

1171.5

48

1

M27

625

-

48

1200

524

1302

1205

1200

3

1335.0

44

11/8

M30

740

-

Class300
PN5.OMPa

2

50

60

110

58

51

4

127.0

8

5/8

M16

155

175

21/2

65

67

128

73

65

6

149.0

8

3/4

M20

175

195

3

80

73

147

88

80

8

168.5

8

3/4

M20

190

210

4

100

73

179

108

102

15

200.0

8

3/4

M20

195

215

5

125

86

214

132

127

18

235.0

8

3/4

M20

215

235

6

150

98

249

160

152

31

270.0

12

3/4

M20

230

250

8

200

127

305

210

203

51

3330.0

12

7/8

M24

280

300

10

250

146

359

266

254

83

387.5

16

1

M27

315

335

12

300

181

420

310

305

117

451.0

16

11/8

M30

365

385

14

350

222

483

355

350

190

514.5

20

11/8

M30

410

430

16

400

132

537

405

400

200

571.5

20

11/4

M33

435

455

18

450

164

594

455

450

265

628.5

24

11/4

M33

475

495

20

500

292

652

505

500

410

686.0

24

11/4

M33

510

535

24

600

318

772

608

600

813.0

24

11/2

M39

560

585


Pressure
rating

DN

Dimension

kg
Weight

Flange (as referenced)

NPS

DN

L

D

D3

D2

The diameter of the circle of bolt ,D1

Quantity of the bolt

Diameter of the bolt,d

Length of the bolt,L1

in

mm

RF

RJ

Class300
PN5.OMPa

30

750

368

882

740

735

660

921.0

36

1

M36

650

-

36

900

483

1044

880

873

1020

1089.0

32

1

M42

800

-

42

1050

568

1196

1045

1035

1540

1244.5

36

1

M45

920

-

48

1200

629

1365

1190

1179

2260

1416.0

40

1

M48

1010

-

Class600
PN11.OMPa

2

50

60

110

58

51

4

127.0

8

5/8

M16

175

180

21/2

65

67

128

73

65

5

149.0

8

3/4

M20

195

200

3

80

73

147

88

80

8

168.5

8

3/4

M20

210

215

4

100

79

191

108

102

11

216.0

8

7/8

M24

235

240

5

125

105

239

136

127

20

267.0

8

1

M27

280

285

6

150

136

264

162

152

26

292.0

12

1

M27

320

325

8

200

165

318

212

200

55

349.0

12

1

M30

370

375

10

250

213

398

266

250

103

432.0

16

1

M33

440

445

12

300

229

455

312

305

140

489.0

20

1

M33

460

465

14

350

273

490

355

337

223

527.0

20

1

M36

520

525

16

400

305

562

400

387

360

603.0

20

1

M39

575

580

18

450

362

610

450

438

395

654.0

20

1

M42

650

655

20

500

368

680

500

489

518

724.0

24

1

M42

670

680

24

600

438

786

600

591

836

838.0

24

1

M48

780

790

Class900
PN15.OMPa

2

50

70

140

58

51

8

165.0

8

7/8

M24

225

230

21/2

65

83

162

73

65

11

190.0

8

1

M27

250

255

3

80

83

165

90

80

14

190.0

8

7/8

M24

240

245

4

100

102

204

108

102

20

235.0

8

11/8

M30

285

290

5

125

110

245

136

127

30

279.5

8

11/4

M33

310

315

6

150

159

286

162

150

42

317.5

12

11/8

M30

365

370

8

200

206

356

212

200

8

393.5

12

13/8

M36

440

445

10

250

241

432

266

250

145

470.0

16

13/8

M36

490

495

12

300

292

495

312

305

220

533.5

20

13/8

M36

560

565

14

350

356

518

355

337

350

559.0

20

11/2

M39

645

655

16

400

384

572

400

387

470

616.0

20

15/8

M42

685

695

18

450

451

635

450

438

605

686.0

20

17/8

M48

790

805

20

500

451

695

496

487

820

749.5

20

2

M52

810

825

24

600

495

835

600

591

1050

901.5

20

21/2

M64

945

965


Pressure
rating

DN

Dimension

kg
Weight

Flange (as referenced)

NPS

DN

L

D

D3

D2

The diameter of the circle of bolt ,D1

Quantity of the bolt

Diameter of the bolt,d

Length of the bolt,L1

in

mm

RF

RJ

Class1500
PN26.OMPa

2

50

70

140

58

51

8

165.0

8

7/8

M24

225

230

21/2

65

83

162

73

65

11

190.5

8

1

M27

250

255

3

80

83

172

90

80

19

203.0

8

11/8

M30

270

275

4

100

102

207

108

102

26

214.0

8

11/4

M33

310

315

5

125

110

252

136

127

51

292.0

8

11/2

M39

370

375

6

150

159

280

162

150

68

317.5

12

13/8

M36

430

440

8

200

206

350

212

200

130

393.5

12

15/8

M42

510

520

10

250

248

433

266

254

210

482.5

12

17/8

M48

600

610

12

300

305

518

312

305

384

571.5

16

2

M52

695

715

14

350

356

576

355

337

550

635.0

16

21/4

M56

775

800

16

400

384

639

400

387

635

705.0

16

21/2

M64

850

880

Class2500
PN42.OMPa

2

50

70

143

48

42

10

1715

8

1

M27

255

260

21/2

65

83

166

58

52

18

1970

8

11/8

M30

290

305

3

80

86

194

68

62

26

2285

8

11/4

M33

320

330

4

100

105

232

94

88

40

2730

8

11/2

M39

370

380

5

125

110

277

106

100

59

3240

8

13/4

M45

420

435

6

150

159

315

162

150

90

3680

8

2

M52

515

530

8

200

206

385

186

180

150

4380

12

2

M52

600

620

10

250

254

474

232

225

240

5395

12

21/2

M64

750

775

12

300

305

547

272

266

440

6190

12

23/4

M70

855

885


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