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CVWR wafer type silence check valves
 

 

Product introduction
 

Water type silence check valves is flow-line designed and pressure loss is very little;the spring acce-lerates the valves's closing and get silence effect;metal-to-metal seating is liable and it needs small installation space.It is often installed at the outlet of pump to prevent water-hammering,water hitting and destructive impact and backward flow induced and protect the related equipments.It is widely used in feeding/draining system,fire protection,construction,heat supplying and industry system etc..


Main technical parameters
 

Nominal pressure: 1.0-1.6
Nominal diameter: 40-250mm
Service:water and weak corrosive fluid
Working temperature:0-80
Flanged end: GB/T17241.6 GB9113
Inspection and test: GB/T 13927 API 598


Typical installation diagram
 



Material 
part body disc spring seat
Material Cast iron ductile cast iron,cast steel Cast copper,stainless steel Stainless steel Copper,steel

Main dimensions 
 

unit:mm

DN 40 50 65 80 100 125 150 200 250
L 45 55 70 75 95 115 135 160 200
D 90 105 125 140 160 195 215 270 325


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