... water valve-0-10bar- normally open Medium:Air, City Gas, Water, Oil, Petroleum, etc. Port Thread:BSPP ,BSPT ,NPT ,Flange,M8X1 Detailed Product DescriptionWater valve ... year guarantee,Water valve 2W12Characteristic : 1.Direct lifting diaphragm construction; 2.Open from zero ... Shading Rings - Stainless Steel 304 2W12 Normally Open, with Coil S51B Port SizeOrificeCvMin PressureMax ...