Trademark:
Model:
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: 1.0-1.6MPa
Nominal Diameter: 40-250mm
Service:water and weak corrosive fluid
Working Temperature:0-80ºC
Flanged End: GB/T17241.6 GB9113
Inspection and Test: GB/T 13927 API 598
Part |
Body |
Disc |
Spring |
Seat |
Material |
Cast iron, ductile cast iron, Cast steel |
Cast copper, Stainless steel |
Stainless steel |
Copper |
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 |
|
