CVWR wafer type silence check valve


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..

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 dimensionsunit: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

 

 

 

 
 

 
Cixi Shuangying Pipe & Valve Co., Ltd
No.1818, SunTangBei Road, Cixi City, China Tel:0086-574-63032281/63898543 Fax: 0086-574-63977662 Email: Sales@chinapipe-valve.com