Ss 304 Wafer Type Dual Plate Wafer Non Return Check Valve (H76X)

Wafer Butterfly Spring Loaded Double Disc Non Return Check This valve are mainly composed of boby. disc(valve stem), spring and etc. The short closing stroke of disc and function of spring may strengthen closing effect and reduce the sound of water hammer  and slamming .Specification1) Size: 2" - 40"2) Class: 150lbs - 900lbsTechnical standards:1) Design and manufacture: API 6D2) Face-to-face: ANSI B16.103) Flange end: ANSI B16.54) Inspection and test: API 598Main materials:1) Body and disc: Brass, carbon steel, stainless steel, Hascrome2) Stem: Stainless steel3) Torsion spring: Stainless steel4) Seal surface: Buna-n rubber, stainless steel, gathered four fluorineEthylene, and nylon plastics.  Suitable MediumWater, Oil, Gas and etc.Main materialCAST IRON,ASTM A216 WCB, WCC, WC6, SS304, SS316, CF8, ETC.Suitable Temperature≤80ºCNominal Pressure150lb--900lbNominal Diameter2"--40"Flange DimensionASME B16.5, BS4504, ISO2531, ISO7005 and other standards conforming to the requirementsFace to Face LengthAPI594,BS5155, ISO5752, DIN3352 and other standards conforming to the requirementsWafer End Non Return Check Valve Group Show  /* March 10, 2023 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(",").forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1