Morrison Bros. Internal Emergency Valve often referred to as a "fire valve." Used to shut off flow in the event of fire. Fusible link holds open spring actuated lever. Body mounts at the base of an above ground tank with plunger end projecting inside the tank, thus the designation "internal". Ductile Iron listed, Brass styles available.

NOTE: The valves shown on this page require periodic inspection to ensure the shut-off mechanism is operating correctly. They are not intended to be used as a "block valve" and should not be opened under pressure.