dumping Valve Spec ISO 9001:2000,CE API6D Approved 1)Size:2"-42" 2)Pressure:MAX Class 900 dumping valve Technical specificatiion:1)dumping valve Design and production according to ASMEB16.34,BS1873 and GB/T12235;2)The sizes of flange ends according to ASME B16.5,GB/T9113 and HG20596 (or specified by customers);3)Inspecting standard: API598, JB/90924)dumping valve Material: WCB,Stainless steel, ...