water valve-0-10bar- normally open Medium:Air, City Gas, Water, Oil, Petroleum, etc. Port ... ,Water valve 2W12Characteristic : 1.Direct lifting diaphragm construction; 2.Open from zero bar for low pressure system use 3.High ... Springs - SS 304 Shading Rings - Stainless Steel 304 2W12 Normally Open, with Coil S51B Port SizeOrificeCvMin PressureMax PressureSealsMaterialBody MaterialValve BodyCoilAC(40VA ...