rubber flap check valve

Group rubber flap check valve
Min. Order 1 piece
Terms of Payment T/T
Update Time 2018-07-07
  • Description
  • Product review


Rubber flap check valve is coated with rubber on its outer layer and the switching duration it can be up to 1 million times.This check valve adopts the total flow area of type design, with a small head loss, not easy accumulation chores, simple maintenance and so on characteristics.This valve is mainly suitable for water supply and drainage system, can be installed in the outlet, to prevent backflow and water hammer pump damage.The check valve can be installed in a reservoir in and out of the water pipe on the by-pass pipe, in order to prevent the water back into the water supply system.



Standard Features

Nominal pressure(MPa)
Intensity pressure test(MPa)
Seal pressure1.11.762.75
Working temperature≤80℃
Suitable mediumClear water,sewage,sea water
Slow shuts the time≤60s


Material  of main parts

Name Material 
Body Gray iron,ductile iron,Cast steel 
Valve petal Rubber  combination components 
SpringStainless steel 




Rubber flap carbon steel flange end silicone check valve is used for throttling or shutting off the flow of corrosive or non corrosive gases, liquids and semiliquid. It can be installed in any selected position in pipelines in the industries of petroleum processing, chemicals, food, medicine, textile, ship building,ship repairing,paper making, hydroelectricity engineering, building, water supply and sewage, metallurgy, energy engineering as well as light industry.


Product photo 

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