at-72275 valves at-72275 procurement of gate/ sluice/ check valves , supply of items as per following specifications , gate valve solid wedge, rising stem, 150 lbs, raised face, flanged end s to ansi b16.5, bolted bonnet, material-body a216 wcb,trim aisi 410/1 3%cr ss size-4 , as per api 600. , sluice valve non rising type, size-300 mm cast iron double flangeto be drilled on both ends as per ansi b16.5, 150# a 216 wcb., is 14846, pni.6 , check valve 12 x 150#,type: swing check valve, end connections 150# rf flange as per ansi b 16.5 ,material: body and cover astm a 216 wcb, cover stud/ nuts: a193 b7/ a194 2h,hinge pin aisi 410/ a 182 f6 disc & a217 ca-15 or a216 wcb+13% cr facing, design as per bs 1868 testing as per api 598/bs5146 face to face as per ansi b 16.10 , check valve swing type,flanged ends flanged to ansi b16.5,#150,rf,bolted cover construction.valve body made from cast steel,casting conforming to astm a216 gr.wcb and trim parts machined from ss410 quality bar stock, fitted with teflon gasket packing, valve tested as per api 598 size 4.