Changhao Changhao Changhao Changhao Changhao
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Shanghai Changhao Valve Pipeline Engineering Co., Ltd.
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product description

Wafer lift check valve consists of valve body, valve disc and spring. Both horizontal pipeline and vertical pipeline can utilize the check valve. The advantages of wafer lift check valve include short length, small volume, light weight, excellent seal, low fluid resistance and low water hammer pressure, etc.
 
Technical Parameter
Model No.Nominal Pressure PN(MPa)Test Pressure PS(MPa)Working Temperature(℃)Applicable Medium


Shell Seal 

SH71W-16P1.62.41.76≤200Water, vapour, oil, etc
SH71H-25Q2.53.752.75≤235
SH71W-25H


≤300
SH71W-25P


≤200Nitric acid
SH71W-40H4.06.04.4≤300Water, vapour, oil, etc
SH71W-40P


≤200Nitric acid


Materials 

ModelValva BodyValve DiscSpring 
SH71H-16Q、H71H-25QQT400-152550CrCA
SH71W-25H、H71W-40H2Cr131Cr131Cr18Ni9Ti
SH71W-16P、H71W-25PZG1Cr18Ni9Ti1Cr18Ni9Ti1Cr18Ni9Ti


Dimensions 

Nominal Pressure
MPa
Nominal Diameter
DN
Dimensions(mm)
LD1D2D3D4D5
PN1.0MPa

PN1.6MPa
15165215243140
20196219304050
25227224354758
32288331465668
4031.59339556678
504010848657890
6546128628095110
80501427696110128
1006016295115132150
12590192110125135-


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