small-resistance slow-closing butterfly check valve

small-resistance slow-closing butterfly check valve
small-resistance slow-closing butterfly check valvesmall-resistance slow-closing butterfly check valvesmall-resistance slow-closing butterfly check valve
Categoriesflanged check valve
AlbumView larger image
BrandLIKE valve
ModelHH48/49X
FOB portTianJin
Terms of PaymentT/T
Update Time2018-12-19
Detail Information

Product Function and Feature                                                  

     The series of FLHDH48X micro resistance slow check valves produced in our factory can be used in drainage pipes such as clear water, sewage and seawater. It can not only prevent the backflow of media, but also effectively limit the destructive water hammer and ensure the safety of pipelines. It has the characteristics of novel structure, small volume, light weight, small fluid resistance, reliable sealing, stable opening and closing, wear resistance, long service life, oil pressure, slow closing, no influence on medium, and better energy saving effect.

  Main Parts and Materials                                                       

Part name bodydiscstem/cylinder/pistonspringseat
materials

spheroidal graphite

 cast iron/cast steel

carbon steelstainless steel

stainless 

steel

NBR

Technology Parameters                                                          

ModelPN(Mpa)

Strength 

Test 

Pressure(Mpa)

seal 

pressure

(Mpa)

applicable

 temperature

(℃)

applicable 

medium

slowly 

closed time 

FLHDH48X11.51.1≤80℃

sea water

/sewage

/water

≤60s
1.62.41.76
2.53.752.75Mpa
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