Micro Resistance Slow shut Butterfly type Check Valve

Micro Resistance Slow shut Butterfly type Check Valve

Product Description
Micro Resistance Slow shut Butterfly type Check Valve 
Size: DN50 -- DN2000
Pressure: PN10, PN16, PN25
Material: Cast iron, Dutile Iron, Cast steel, Stainless steel etc
Applicable Medium: water, source water

   Micro Resistance Slow shut Butterfly type Check Valve  is outstanding for its structure, reasonable design, small profile, light weightness, good sealing performance, strong recycling capability, small flow resistance. it can slowly shut with no slamming, no vibration and no noise.The closing speed can be adjusted according to the specific condition at your site in order to eliminate pressure surge at the best closing speed.
This model is popularly used in water supply and drainage pipeline of high-rise building and fire protection system. It is mounted at the outlet of pump to cut off backflow, preventing destructive pressure surge and securing the operation of the pipeline and pump. It is very energy-saving.
Medium applicableWater etc.Main materialCast Iron, Ductile Iron, Carbon Steel, Alloy Cast Steel etc.Temperature applicable≤80oCNominal Pressure150lb--900lbNominal Diameter2"--48"Flange DimensionBS4504, ISO2531, ISO7005 and other standards conforming to the requirementsFace to Face LengthBS5155, ISO5752, DIN3352 and other standards conforming to the requirements

Main material: Cast Iron, Ductile Iron, Carbon Steel, Alloy Cast Steel etc.
Nominal Pressure: PN10-PN100/150lb--900lb
Nominal Diameter: DN50-DN1200/2"--48"
Flange Dimension: BS4504, ISO2531, ISO7005 and other standards conforming to the requirements
Face to Face Length: BS5155, ISO5752, DIN3352 and other standards conforming to the requirements
Suitable temperature: Normal Temperature -29 ~150
Medium applicable: Fresh water, sewage, sea water, air, vapor, food, medicine, oils, alkalis, salt etc.


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