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You are here: Home >> Products >> Check valves
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H71H Wafer Lift Check Valve (wafer type check valve) |
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Main technical parameters:
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Type
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PN(MPa)
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PS(MPa)
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Operating temperature (℃)
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For media
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Case
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Seal
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SH71W-16P
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1.6
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2.4
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1.76
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≤200
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Water, steam body, oil, etc.
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SH71H-25Q
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2.5
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3.75
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2.75
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≤235
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SH71W-25H
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≤300
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SH71W-25P
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≤200
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Nitric acid and other corrosive media
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SH71W-40H
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4.0
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6.0
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4.4
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≤300
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Water, steam body, oil, etc.
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SH71W-40P
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≤200
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Nitric acid and other corrosive media
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Specification
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Body
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Disc
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Spring
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SH71H-16Q,H71H-25Q
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QT400-15
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25
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50CrCA
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SH71W-25H,H71W-40H
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2Cr13
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1Cr13
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1Cr18Ni9Ti
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SH71W-16P,H71W-25P
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ZG1Cr18Ni9Ti
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1Cr18Ni9Ti
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1Cr18Ni9Ti
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◆Size table:
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Nominal pressureMPa
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Nominal Path
DN
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Size (mm)
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L
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D1
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D2
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D3
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D4
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D5
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PN1.0MPa
PN1.6MPa
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15
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16
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52
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15
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24
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31
|
40
|
|
20
|
19
|
62
|
19
|
30
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40
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50
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25
|
22
|
72
|
24
|
35
|
47
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58
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32
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28
|
83
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31
|
46
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56
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68
|
|
40
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31.5
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93
|
39
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55
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66
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78
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|
50
|
40
|
108
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48
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65
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78
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90
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65
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46
|
128
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62
|
80
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95
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110
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80
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50
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142
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76
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96
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110
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128
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|
100
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60
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162
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95
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115
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132
|
150
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|
125
|
90
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192
|
110
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125
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135
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