HVAC system,water treatment,2-way DC Motorized Ball Valve 1.Open/close: 2-6S 2.1/2'', 3/4'', ... 1'' 3.Voltage: DC3V 4. 2N.m DC motorized ball valve features excellent capacity of water stoppage, large water flow rate ... torque, nice design and easy installation.Material:Valve Body: Hpb59-1 (Gilded with Nickle) ; Valve Seal: Stem: EPDM with double O-ring ...