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Power station pressure blocking valve

Products > Power station valve > Power station pressure blocking valve

Power station pressure blocking valve

Model: SD61Y-P55
Nominal diameter: DN200 ~ 1000mm
Nominal pressure: PN1.0 ~ 32.0mpa
Temperature: 300 ~ 575 ℃
Suitable medium: water, steam
Main material: WCB, WC9, ZG15Cr1MoV
Design criteria: GB / T 12236 , API 6D, BS 1868
Structural length: GB / T 12221, ASME Bl6.10
Connection flange: JB / T79, GB / T9113, HG20594, ASME Bl6.5
Butt end: GB / T 12224, ASME Bl6.25
Test and inspection: GB / T 13927, JB / T 9092, API 598, API 6D, BS67
Contact purchase
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Blocking valve structure Description:
 1, the valve is welded, straight channel without shrinking, single plane seal, valve sealing surface heap austenitic stainless steel, block plate with O-shaped rubber seal. 
 2, the use of self-tight cavity pressure seal structure, hydraulic test or operation, can be sealed by the medium pressure to achieve a reliable seal, and the higher the pressure, the more reliable the seal. 
 3, the valve body is made of high quality cast steel, both ends processed into U-groove and pipe directly butt welding, chemical composition and properties of the two materials are similar, excellent welding performance, without intermediate welding transition section; four open-loop 38CrMoAlA corrosion Nitriding, to ensure that its heat-resistant, and wear-resistant, corrosion-resistant, scratch-resistant, easy disassembly; cavity self-sealing gaskets, high temperature steam corrugated asbestos gaskets, 18-8 wire braided internal enhancements to ensure that the seal, Extend the service life; sealing surface surfacing 1Cr18Ni9Ti, rust, erosion, repeated tests can still guarantee the seal.

 

Main dimensions:

PN

DN

Size (mm)

Weight (kg)

PN

DN

Size (mm)

Weight (kg)

PN

DN

Size (mm)

Weight (kg)

L

H

L

H

L

H

1.6

50

230

165

23

4

50

230

180

27

10

50

300

195

43

65

290

180

28

65

290

1 g5

33

65

340

213

52

80

310

190

35

80

310

195

37

80

380

240

75

100

350

208

40

100

350

220

56

100

430

270

112

150

480

270

81

150

480

273

105

150

550

365

220

200

600

295

96

200

600

352

140

200

650

425

345

250

730

337

175

250

730

413

200

250

775

486

475

300

850

386

265

300

850

432

392

16

50

300

255

52

350

980

430

364

350

980

455

396

65

340

285

62

400

1100

475

495

400

1100

562

502

80

380

324

113

500

1250

565

590

500

1250

620

645

100

430

359

165

2.5

50

230

180

25

6.4

50

300

1 g5

32

150

550

433

270

65

290

195

32

65

340

213

45

200

650

478

324

80

310

195

35

80

380

213

50

250

775

520

375

100

350

220

55

100

430

240

75

25

50

368

315

65

150

480

273

104

150

550

302

158

200

600

352

138

200

650

362

220

65

419

348

79

250

730

413

198

250

775

410

346

80

470

386

95

300

850

432

388

300

900

468

476

100

546

410

172

350

980

455

390

350

1025

520

630

150

705

565

275

400

1100

562

498

400

1150

572

886

200

832

320

325

500

1250

620

643

500

1400

625

1030

250

991

676

395


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