Duda Diesel 2W20020KN:12v 20 mm 3/4" NPT Normally Open Brass NBR 2-Way Solenoid Valve, NPT Female Connector, Brass

Valve Dimensions (See additional photos): L: 99mm, H: 135mm Max Power Consumption: 30w@12v/24v, 40w@110v/220v 2-Way Solenoid Valves are used to stop or open flow to a pipeline in one direction. They open/close with no pressure assistance needed from the working fluid. They do no stop flow in the backwards direction (against the arrow) and do not allow for full flow in the backward direction. A check valve should be utilized with this valve if backflow cannot be permitted.