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We Make Valve Automation Easy
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Assured Automation’s ESOV series ANSI flanged swing-check valves with fusible links are designed to provide a simple yet effective method of closing in an emergency or hazardous situation.
The valves are designed with an external spring load and held in the open position with the fire-sensitive fusible link. The valve will automatically close when the link melts due to fire or high temperatures. The external lever rotates the hinge pin which directs the disc into the flow of the liquid, gas or vapor.
The disc is on a swing arm and is held open by the lever and fusible link. When the link fusible metal on the link melts, the spring pulls the lever causing the disc to swing down and close on the seat.
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