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Item # 144S49, Type S Full Port Bronze Solenoid Valve- Normally Closed - Internal Pilot Operated
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Valve opens when energized and closes when de-energized. When the coil is energized the pilot valve opens, relieving the pressure above the piston, which is then lifted from its seat by the laminated plunger. Upon de-energizing the coil, a spring closes the pilot valve and opens a bleed passageway to permit pressure to build above the piston and seat it.
No Differential Pressure Required to Open
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