Wafer Type Double Disc Check Valve

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Wafer Type Double Disc Check Valve
Posting date : Sep 07, 2010
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85-
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Product Description Product Description: Face to face dimension: GB12221 (16Series) Connection dimension of flange: JB/T8937, GB4216 Purpose: Be suitable for the water supply and drainage pipe network of cities, industries and high buildings. The length of structure is shorter than the general clack valve, so it is most suitable for the locations, in which the installation space is limited. Suitable medium: Water, oil, sewage etc. Pressure rating: PN (MPa) 1.0 1.6 2.5 Tests: Test JB/T9092, GB/T13927 Nominal pressure: PN(MPa) Body: PN x1.5 Seal: PN x 1.1 Materials: Body: Cast iron, carbon steel Disc: Cast iron, carbon steel Stem: Stainless steel, carbon steel Spring: Stainless steel Seat: NBR rubber, alloy steel

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