... Material:Copper & Stainless 1.Item Name: 3/4" stainless steel Solenoid Valve PU20K 2.Item #: PU20K 3.Specification:1) Normally open direct acting ... "B" for stainless valve body when ordering, like "PU 50B".4. water direct acting solenoid valves in brass and stainless steel ... and easy assembly.2.Small size, high flow, little electric power required.3.Available fluid : air, gas, water, oil etc.Solenoid ...