... life testing 3.zero rated pressure 4,One year gurrantee, Water valve 2W12 Characteristic : 1.Direct lifting diaphragm construction; 2.Open from ... 3.High frequency of DIN plug coilMedium : Air, City Gas, Water, Oil, Petroleum, etc.Temperature: NBR Seal: 14F to 176F , -10 ... /2,2Port Thread: BSPP ,BSPT ,NPT ,Flange, UNF, M8X1Orifice (mm): 12,15,20,25,32,40,50Voltage: DC - 12V,24V AC ...