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Din Standard Check Valve

Din Standard Check Valve
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Advantage
1.DIN lift check valve is self-sealing valve. The disc can be acted by the flow which can protect against the media flow back.
2.The disc with spring can keep the valve work in any direction.
3.Reasonable structure, reliable sealing, excellent performance and attractive appearance make a VMV valve

Technical specification
Design standard: DIN 3356
Face to face dimension: DIN 3202
Flanged ends: DIN 2543-2545
Test & inspection: DIN 3230

Performance specification

Nominal Pressure

PN

 

Test Pressure

Strength test

1.5PN

MPa

Sealing test

1.1PN

Gas seal test

 0.6

 --

 --

Suitable temp

-196℃~600℃




NO.

Part name

Material

1

Body

GS-C25、1.4301、1.4401

2

Seat

1.4301、Stellite

3

Disc

1.4021、1.4301+Stellite

4

Spring

1.4301、1.4401

5

Copper guide sleeve

Copper alloy、D2、BL2

6

Metal gasket

Stainless steel

7

Cover

GS-25、1.4301、1.4401

8

Nut

ASTM 194-2H、A194-8

9

Double-headed bolt

ASTM 193-B7、A193-B8


PN 16

DN

Main connection size

L

D

D1

D2

b

f

H

n-Φd

15

130

95

65

45

16

2

65

4-Φ14

20

150

105

75

58

18

2

70

4-Φ14

25

160

115

85

68

18

2

80

4-Φ14

32

180

140

100

78

18

2

85

4-Φ18

40

200

150

110

88

18

3

90

4-Φ18

50

230

165

125

102

20

3

95

4-Φ18

65

290

185

145

122

20

3

110

4-Φ18

80

310

200

160

138

20

3

130

8-Φ18

100

350

220

180

158

20

3

155

8-Φ18

125

400

250

210

188

22

3

165

8-Φ18

150

480

285

240

212

22

3

215

8-Φ22

200

600

340

295

268

24

3

280

12-Φ22

250

730

405

355

320

26

3

305

12-Φ26

300

850

460

410

378

28

4

330

12-Φ26

350

980

520

470

438

30

4

390

16-Φ26

400

1100

580

525

490

32

4

470

16-Φ30

PN 25

15

130

95

65

45

16

2

65

4-Φ14

20

150

105

75

58

18

2

70

4-Φ14

25

160

115

85

68

18

2

80

4-Φ14

32

180

140

100

78

18

2

85

4-Φ18

40

200

150

110

88

18

3

90

4-Φ18

50

230

165

125

102

20

3

95

4-Φ18

65

290

185

145

122

22

3

110

8-Φ18

80

310

200

160

138

24

3

130

8-Φ18

100

350

235

190

162

24

3

155

8-Φ22

125

400

270

220

188

26

3

165

8-Φ26

150

480

300

250

218

28

3

215

8-Φ26

200

600

360

310

278

30

3

280

12-Φ26

250

730

425

370

335

32

3

305

12-Φ30

300

850

485

430

395

34

4

330

16-Φ30

350

980

555

490

450

38

4

390

16-Φ33

400

1100

620

550

505

40

4

470

16-Φ36

PN 40

15

130

95

65

45

16

2

65

4-Φ14

20

150

105

75

58

18

2

70

4-Φ14

25

160

115

85

68

18

2

80

4-Φ14

32

160

140

100

68

18

2

85

4-Φ18

40

180

150

110

78

18

3

90

4-Φ18

50

230

165

125

102

20

3

95

4-Φ18

65

290

185

145

122

22

3

110

8-Φ18

80

310

200

160

138

24

3

130

8-Φ18

100

350

235

190

162

24

3

155

8-Φ22

125

400

270

220

188

26

3

165

8-Φ26

150

480

300

250

218

28

3

215

8-Φ26

200

600

375

320

285

34

3

280

12-Φ30

250

730

450

385

345

38

3

305

12-Φ33

300

850

515

450

410

42

4

330

16-Φ33

350

980

580

510

465

46

4

390

16-Φ36

400

1100

660

585

535

50

4

470

16-Φ39


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