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| CVWR wafer type silence check valve |
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| product introduction |
Water type silence check valve is flow-line designed and pressure loss is very little;the spring acce-lerates the valve'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.. |
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main technical parameters |
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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
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Typical installation diagram
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Material |
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part
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body
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disc
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spring
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seat
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Material
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Cast iron ductile cast iron,cast steel
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Cast copper,stainless steel
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Stainless steel
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Copper,steel
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main dimensionsunit:mm |
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DN
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40
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50
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65
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80
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100
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125
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150
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200
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250
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L
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45
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55
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70
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75
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95
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115
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135
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160
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200
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D
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90
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105
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125
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140
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160
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195
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215
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270
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325
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