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check valve

Micro resistance slow close butterfly check valve

 

\          Place of Orign :China
        Product name: Micro resistance slow close butterfly check valve    





 

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Product Presentation:
This valve is a safety device mounted in the pipeline or pump outlet to prevent the pump from inversed running due to the differential water hammer’s shock in the pipeline when the pump stops. And it features by the brand-new structure, small fluid resistance, reliable seal, stable open-close, long duration, better energy-saving effect.
Suitable for the pipeline related to the systems of water supply and drainage, fire-fighting, warming etc. or the pump outlet to prevent both pump and pipeline from being damaged due to the water hammer produced when the medium flows back and from the silencing effect.

Performance specification:

DN 1.0 1.6 Mpa
shell test 1.5 2.4
sealing test 1.1 1.76
applicable temperature ≤100
applicable medium water.,sea water etc.
slowly-closing time 6 below 60s adjustable

 
Main parts materials

part name material
body  gray cast iron/ductile iron
butterfly plate cast iron
stem SS
packing SS
sealing ring EPDM


 


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HU VALVE telephone:0086-15831888892 TEL: 0086-0317- 8268201  FAX:0086-0317-8268202   Email: fvalve@163.com