... valves For the automatic and distance on/off control of media including air ,water,oil etc. P/N: BS- ... valveMain function:Used for Air,water,oil, gas long distance control, The connector main materials is brass, Armature is stainless stell ... levelClass H(180°c)Insulation resistence50MΩ MIN, DC500V Dielectric Voltage DC 700V,1 secondAppearance Size: