Flanged B.B Swing Check Valve

Flanged B.B Swing Check Valve

The flanged B.B swing check valve refers to a valve that automatically opens and closes the valve flap by means of the flow of the medium itself to prevent the medium from flowing backward. The check valve is an automatic valve whose main function is to prevent backflow of the medium, prevent the pump and drive motor from reversing, and discharge the container medium.

Product Details

Product Description

The flanged B.B swing check valve refers to a valve that automatically opens and closes the valve flap by means of the flow of the medium itself to prevent the medium from flowing backward. The check valve is an automatic valve whose main function is to prevent backflow of the medium, prevent the pump and drive motor from reversing, and discharge the container medium.


Feature

1. The selection of materials is in line with domestic and foreign related standards, and the overall quality of materials is high.

2. The sealing pair is advanced and reasonable. The sealing surface of the valve disc and the valve seat is made of iron-based alloy or Stellite cobalt-based hard alloy surfacing surface, which is good in wear resistance, high temperature resistance, corrosion resistance and scratch resistance. ,long lasting.

3. Various pipe flange standards and flange seal types can be used to meet various engineering needs and user requirements.

4. the valve body material is complete, the gasket can be reasonably matched according to the actual working conditions or user requirements, and can be applied to various pressure, temperature and medium working conditions. The check valve can be designed and manufactured according to user requirements and can be used for various equipments.



Model
H44H-16C~250H44W-16P~250
Working pressure (MPa)1.6~25
Applicable temperature (°C)≤425≤550
Applicable mediumWater, steam, oilWeakly corrosive medium
Material
Valve body, bonnet,valve flapCarbon steelChrome nickel titanium stainless steel
Sealing surfaceCarbon steel surfacing iron-based alloyBody seal



Nominal diameter

Main dimensions and connection dimensions

L

D

D1

D2

b

Z-d

H

H44H-16C H44W-16C H44W-16P H44W-16R H44W-16I

25

160

115

85

65

16

4-14

100

32

180

135

100

78

16

4-18

105

40

200

145

100

85

16

4-18

115

50

230

160

125

100

16

4-18

135

65

290

180

145

120

18

4-18

142

80

310

195

160

135

20

8-18

165

100

350

215

180

155

20

8-18

180

125

400

245

210

185

22

8-18

210

150

480

280

240

210

24

8-23

233

200

500

335

295

265

26

12-23

304

250

550

405

355

320

30

12-25

348

300

650

460

410

375

30

12-25

390

350

750

520

470

435

34

16-25

430

400

850

580

525

485

36

16-30

468

H44H-25 H44W-25 H44W-25P H44W-25R H44W-25I

25

160

115

85

65

16

4-14

100

32

180

135

100

78

16

4-18

105

40

200

145

110

85

16

4-18

115

50

230

160

125

100

20

4-18

160

65

290

180

145

120

22

8-18

175

80

310

195

160

135

22

8-18

185

100

350

230

190

160

24

8-23

220

125

400

270

220

188

28

8-25

248

150

480

300

250

218

30

8-25

276

200

550

360

310

278

34

12-25

350

250

650

425

370

332

36

12-30

410

300

750

485

430

390

40

16-30

430

350

850

550

490

448

44

16-34

518

400

950

610

550

505

48

16-34

560


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