... steel certificate:ISO9001 and bv high pressure stainless steel pipe fittings Stainless Steel ElbowStandardASME SA403,BS16.9,GB12459,EN, ... 180°TypeElbow, reducer, cross, pipe holder, manhole cover, stub,clamp,union ,valve etc Stainless Steel Flange StandardsASTMA182,ANSI B16 ... DN1500)Pressure Class150LB, 300LB, 400LB, 600LB, 900LB,1500LB, etc.TypePlate type Flat Welding Flange,Slip on Neck Flange,Welding ...