FM-approved
Watchdog® Fusible link Shutoff Valve Actuator is a self-contained, spring loaded device that automatically shuts off or opens 1/4" through 4" fire safe ball valves to contain spreading of flammable or toxic material in dangerous situations. Available with heat activated Thermal Links or ETL Link elements, actuators can also be manually operated as standard fire safe valves. Essex Fluid Controls 7700 Gravois Ave. St. Louis, MO, 63123