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Swing check valve

Swing check valve

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Check Valve
Describe
Product Usage
 
H44H, H44Y type PN16~PN250 swing-type check valve is suitable for pipelines of various working conditions such as petroleum, chemical, pharmaceutical, fertilizer and electric power industries with pressure of 1.6~25MPa working temperature -29~+550°C. Water, oil, steam, acidic medium, etc.
 
 
Features
 
H44H, H44Y type swing check valve is automatically opened and closed by the force generated by the flow of the medium itself in the pipeline, and belongs to an automatic valve. The check valve is used in the piping system and its main function is to prevent backflow of the medium, prevent the pump and its drive motor from reversing, and discharge the medium in the container. The check valve can also be used to supply a supply line to an auxiliary system where the pressure may rise above the main system pressure.
 
Performance parameter
 

model

H44H-16C~250

H44W-16P~250

Working pressure (MPa)

1.6~25

Applicable temperature (°C)

≤425

≤550

Applicable medium

Water, steam, oil

Weakly corrosive medium

material

Valve body, valve cover, valve flap

Carbon steel

Chrome nickel titanium stainless steel

Sealing surface

Carbon steel surfacing iron-based alloy

Body seal

Main shape and connection size

Nominal diameter DN

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