... for low pressure Detailed Product DescriptionWater solenoid valve 1. ISO 9001:2000, CE approved 2.1 million times life testing 3.compact design ... 4,One year gurranteeWater solenoid valve 2W31Characteristic : 1.Direct lifting diaphragm construction; 2.Open from zero bar ... Size: 3/8,1/2,3/4,1Port Thread: BSPP ,BSPT ,NPT ,Flange, UNFOrifice (mm): 12,15,20,25Voltage: DC - 12V, ...