electric ball valve mini 3-way ball valves 1/4'' to 1'',IP65,with diffrent wiring,3-6V dc,12V dc,24V dc,9-24V ... The Circumstantce Pnematic valve can not worked HVAC Technical paremeters: Size: 1/4'' to 1 inches Material: stainless stell(304), ... rotation:90 degree Body: SS,Brass mini motorized valve,actuated valve,automatic valve,control valve,motor operated valve,motor actuated valve,hydraulic valve.