Product Name: Cast Iron/Ductile Iron Wafer Duo Plate Check Valve Model NO.: CI/DI WAFER DUO CHECK VALVE Application: Industrial Usage, Water Industrial Usage Standard: ANSI Flow Direction: Unidirection Sealing Form: Soft Seat Function: Wafer Check Pressure: Ordinary Temperature Structure: Butterfly Connection Form: Wafer Material: Cast Iron Size: 1-1/2" to 48" or Larger Working Pressure: Pn16/150lb Seat: EPDM,NBR,PTFE,Viton Body Material: Cast Iron or Ductile Iron Trademark: front Transport Package: Plywood Case Specification: ce Origin: China HS Code: 84813000 Product Description Cast Iron/ductile ironDuo Plate Wafer Check Valves, single plate wafer check valveStandard compliance:1)Design and manufacture: API5942)Test and inspection: API 5983)Face to face dimensions: BS EN 558-14)Install between flanges: ANSI 16.10 CLASS 125, DIN2501 PN10/16, BS4504 PN10/16Specifications:1)Size: DN40 to DN20002) Class: PN10, PN16.125LB, 150LB3)Type: Double Disc, Single Disc, wafer type, NBR/EPDM/VITON/PTFE Seat4)Material: CAST IRON, DUCTILE IRON, CF8, CF8MDescription:Design and manufacture: MSS SP-67, API 609Test and inspection: API 598 .Flanged end: ANSI, BS, DIN etc.Resilient seatSize: 2" ~ 24" (DN50 ~ 600)Working pressure: 1.0MPa/1.6MPaStandard materials of partsNo.Part NameMaterial1BodyGrey iron, Ductile iron, Cast steel, Stainless steel2DiscDuctile iron, Aluminum bronze, Stainless steel3SpringStainless steel4Hinge PinStainless steel5Stop PinStainless steel6PlugSteel7Body BearingPTFE8Spring BearingPTFE9Eye BoltSteel10Body SeatEPDM, Neoprene and NBR etc.Dimensions (in mm & inch) and weightSizeφAφEBGRFWTKGSmminch502"102654328.8191.5652.1/2"121804636.1202.4803"134946443.4283.61004"1711176452.8275.71255"1931457065.7307.31506"2191707678.6319.02008"27622489104.4331725010"336265114127502630012"406310114148.3434235014"448360127172.4455540016"489410140197.4527545018"511450152217.85810150020"5465051522415811160024"603624178295.473172