Package Size:40.00cm * 18.00cm * 20.00cm Package Gross Weight:18.000kg Model NO.:DW342-1 Connection Form:Thread Structure:Elevated Pressure:Low Pressure Function:One Way Flow Sealing Form:Rubber Seals Flow Direction:Unidirection Standard:GB Application:Water Industrial Usage, Household Usage Spring:Stainless Steel Connection Type:Union Female Threaded X Female Threaded Thread Type:NPT Seat Material:EPDM Keywords 1:Check Valves Keywords 2:Brass Nrv Transport Package:Poly Bag, Inner Box, Carton and Pallet. Specification:1/2′′-1" Trademark:DW or OEM Origin:China HS Code:8481804090 Production Capacity:120000PCS/Month Package Size:40.00cm * 18.00cm * 20.00cm Package Gross Weight:18.000kg