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Wafer type check valve

Wafer type check valve

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Check Valve
Describe
Product Usage
 
H71H, H71W Type PN10~PN40 The clamp lift check valve consists of valve body, valve disc, spring, etc., installed horizontally or vertically in the pipeline system to prevent backflow of the medium.
 
Features
 
1, with a short structure, small size, light weight
 
2, the valve flap is closed quickly, the water hammer pressure is small
 
3, the flow path is smooth, the fluid resistance is small; the action is sensitive, the sealing performance is good
 
Performance parameter
 

model

Nominal diameter

test pressure

Operating temperature

proper temperature

case

seal

H71H-16Q

1.6

2.4

1.76

≤235℃

Water, steam, oil, etc.

H71H-25Q

2.5

3.75

2.75

≤235℃

H71W-25H

≤300℃

H71W-25P

≤200℃

Corrosive medium such as nitric acid

H71W-40H

4

6

4.4

≤300℃

H71W-40P

≤200℃

water vapor

 

Main shape and connection size

Nominal diameter  DN(mm)

L

D

1.6

2.5

4

15

25

48

48

48

20

31.5

58

58

58

25

35.5

68

68

68

32

40

80

80

80

40

45

90

90

90

50

56

105

105

105

65

63

125

125

125

80

71

140

140

140

100

80

160

165

165

125

110

190

195

195

150

125

215

225

225

200

160

270

285

290

250

200

330

340

350

300

250

385

400

415