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Wafer type check valve

Products > Check valve > Wafer type check valve

Wafer type check valve

Product use
H71H, H71W type PN10~PN40 The clamp type lifting check valve is composed of valve body, valve disc, spring, etc., and is installed horizontally or vertically in the pipeline system to prevent the medium from flowing backward.

Product Features
1. Short structure, small size, light weight

, fast valve flap closure, small water hammer pressure

, smooth flow path, low fluid resistance, sensitive action and good sealing performance
shared：

Wafer type check valve

  Product Usage

H71H, H71W type PN10~PN40 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°C

Water, steam, oil, etc.

H71H-25Q

2.5

3.75

2.75

≤235°C

H71W-25H

≤300°C

H71W-25P

≤200°C

Corrosive medium such as nitric acid

H71W-40H

4

6

4.4

≤300°C

H71W-40P

≤200°C

water vapor

  

  Main shape and connection size


Nominal diameter DN (mm)

L

D

 1.6

 2.5

4

15

25

 48

48

48

20

1.5

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