Product introduction
Oversized silence check valve is flow-line designed according to hydrodynamics and the pressure loss is very little.The valve is installed at the outlet of the pump,and it closes before the fluid flow backward,so prevent water-hammering,water-hitting and destructive impact.So the valve can run quietly in the system.It is widely used in feeding/draining system,fire protection,heat supplying system and industry.
Main technical parameters
Nominal pressure: 1.0-2.5MPa
Nominal diameter: 300-1200mm
Service:water,oils,sea water,sewage
Working temperature:0-80
Flanged end: GB/T17241.6 GB9113
Inspection and test: GB/T 13927 API 598
Main dimensions unit:mm
DN | 300 | 350 | 400 | 450 | 500 | 600 | 700 | 800 | 900 | 1000 | 1200 |
L | 181 | 184 | 191 | 203 | 219 | 222 | 280 | 356 | 368 | 432 | 524 |