... testing 3.zero rated pressure 4,One year gurrantee, Water valve 2W12 Characteristic : 1.Direct lifting diaphragm construction; 2 ... .High frequency of DIN plug coilMedium : Air, City Gas, Water, Oil, Petroleum, etc.Temperature: NBR Seal: 14F to 176F ... Rings - Stainless Steel 304 2W12 Normally Open, with Coil S51B Port SizeOrificeCvMin PressureMax PressureSealsMaterialBody MaterialValve BodyCoilAC(40VA)DC ...