Model NO.: H76X Connection Form: Wafer Pressure: Ordinary Temperature Sealing Form: O-Ring Standard: ANSI Size: 2"-48" Transport Package: Plywood Case Origin: China Material: Stainless Steel Structure: Swing Function: Ddcv Double Lobe Flow Direction: Unidirection Application: Industrial Usage, Water Industrial Usage Trademark: KOLINK Specification: PED/CE, API 6D, ISO9001 HS Code: 8481300000 Feature of Dual wafer Check Valve: 1)Standards: A)Design&Manufacture: API 6D, API 594, ASME B16.34 B)Face to Face: API 594, API 6D C)Connection End: ASME B16.5, ASME B 16.47 D)Test and Inspection: ISO5208, API 6D 2)Sizes: 2" - 40" or DN50 - DN1000 3)Pressure Rating: Class150 - Class1500 or PN16 - PN250 4)Material: WCB, LCB, WC6, WC9, C12, C5, CF8, CF3, CF3M, CF8M, etc. Contact us if you need more details on Dual Wafer Check valve. We are ready to answer your questions on packaging, logistics, certification or any other aspects about Butterfly Check Valve、Wafer Check Valve. If these products fail to match your need, please contact us and we would like to provide relevant information.