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H44X(SFCV) rubber disc check valves


Product introduction

Rubber disc check valves consists of body,cover and rubber disc.Inside of the rubber disc is steel plate,steel bar and reinforced nylon liner and the outside is rubber and the disc life is more than one million open-close cycles.The valves is designed with unimpeded bore,so the pressure loss is very little and no sundries pile up in the body and it is easy to maintain this kind of valves.The valves is used for feeding system and installed at the outlet of the pump to prevent the fluid flowing backward and water hammering.Also it can be installed at the inlet of inlet/outlet's bypass pipe to prevent the water in the cistern flowing backward into the pipe.

Main technical parameters

Nominal pressure: 1.0-1.6
Nominal diameter: 50-600mm
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

part body Cover disc
material Cast iron Cast iron Steel packed with nylon

Main dimensions 


DN 50 65 80 100 150 200 250 300 350 400 450 500 600
L 203 216 241 292 356 495 622 698 787 914 978 978 1295

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