... ,BSPT ,NPT ,Flange,M8X1 Detailed Product DescriptionWater valve 1. ISO 9001:2000, CE approved 2 ... zero rated pressure 4,One year guarantee,Water valve 2W12Characteristic : 1.Direct lifting diaphragm construction; ... for low pressure system use 3.High frequency of DIN plug coilMedium : Air, City Gas, Water ... S51B, 40VA(AC), 30W(DC), IP65 100%EDMaterial: Body - Brass or Stainless steel Seal -NBR, EPDM, PTFE ...