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Voltage
Strainer
Type
Brands
Hansen HS4D/HS4DW Two Step Dual Solenoid Valve
Hansen Technologies introduces the HS4D Two Step Solenoid Valve. The HS4D is based on the same strength, reliability, design principles and craftsmanship as the standard Hansen HS4A Solenoid Valve—with added versatility. The two step solenoid design provides three positions for the valve: fully closed, partially open (10% stroke), and fully open. These valves are normally closed and will revert to the closed position in the event of a power failure. The valve can be opened via the manual opening stem for pump-out during maintenance.
Similar to the standard HS4A, the HS4D is superior in its ability to overcome dirt and sticky oil during opening, as well as function in an oil-free “dry” system.