EHCOTECH DDB-CD-12VDC | 1/2" Hose Barbs | Gravity Feed Valve | 175 F Max Temp General These solenoid valves are designed for gravity-feed systems. They can be used for draining water and other low viscosity fluids out of tanks, canisters, and containers. These valves are brand new and come with a 6-month warranty. These valves are impossible to find elsewhere. This is a direct acting valve. The solenoid plunger directly opens and closes the 3/8" orifice inside the valve. Direct acting valves do not require any differential pressure to operate. LIMITATIONS: These valves are designed for gravity-fed systems and they will NOT work with pump or city water pressure. The maximum vertical distance between the top of the fluid surface and valve is 7 feet regardless of tank size. Water column heights over 7 feet create an excessive pressure and the valve may not open. The pressure created by the water column is a function of the height of the water column (the volume of container does NOT affect the pressure).Detailed Technical Specifications Model EHCOTECH DDB-CD-12VDC Voltage 12-Volt DC Current 500 mA Operation Mode Normally Closed (valve opens when energized) Valve Type Direct Acting, Wet Armature, Dispensing Valve (Gravity Feed Only) Inlet/Outlet Ports Hose barbs for 1/2" Inside Diameter Hose Max Pressure Rating 7-Foot Water Column Maximum (Gravity Feed Only) Suitable Media Water and other Very Low Viscosity Fluids compatible with Silicone Temperature Limitations Maximum Media Temperature 175 ° F Valve Response Time Very Fast Acting Duty Cycle Continuous (can be left powered without overheating) Materials Valve Body Nylon 6/6 Spring Stainless Steel Plunger/Guide Tube Stainless Steel Plunger Tip Silicone Rubber Mounting 11/64" (4.4 mm) holes for mounting screws Mounting Position Coil upright preferred
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