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YUY Fluid Equipment Co., Ltd.

China Manufacturer with main products: Sanitary Pump, Sanitary Valve, Sanitary Pipe Fitting, Stainless Steel Pump, Stainless Steel Valve, Stainless Steel Pipe Fitting, Stainless...

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stainless steel nonreturn valve

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Export Markets: North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe

Quick Details

  • Standard or Nonstandard: Standard
  • Pressure: Medium Pressure
  • Power: Manual
  • Material: Stainless Steel


Quick Details
Model: DN25-DN100 Standard or Nonstandard: Standard Structure: Check
Pressure: Medium Pressure Power: Manual Material: Stainless Steel
Temperature of Media: Medium Temperature Media: Water Port Size: 25323851637689102
Brand Name: yuy
Packaging & Delivery

inner poly package

2-3 days after payment


Sanitary check valve/stainless steel check valve/thread check valve/non-return valve



The check valve is used in stainless steel piping system to prevent liquid backflow .


2)Working principle


when the pressure of lower stem exceeds the pressure of the valve stem above and the spring,

the valve opens when the pressure of lower stem and upper stem balanced ,valve is closed.  

 A higher adverse pressure acting on the valve stem on the valve stem so that the valve shut down.




Contact with the products components: ss304 or ss316L

Sealing material:EPDM




 welding, clamp, male and female, flange

 Welding mouth:DIN11850 IDF/ISO/SMS standard


 5)Data sheet 


 If the valve is being installed inside of a vertical pipes ,pressure difference is 0.08 bar.

 Max pressure to transport the material:10bar

 highest temperature:140 degree

 lowest temperature:-10 degree

Service Process

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