Morrison Bros 346DI-0600 AV 3" External Emergency Valve Ball Valves Trigger Protection Type Lock Off

Trigger Protection Type    Lock Off Button

Single poppet one way check valve used to prevent backflow in supply lines or used as a prime holding valve in suction system

Positive stop to prevent cover from contacting tank

Easy to install and calibrate in a 2″ tank top opening

Note: Open vents will allow unrestricted evaporation of product

Morrison Bros 346DI-0600 AV 3" External Emergency Valve Ball Valves Trigger Protection Type Lock OffExternal emergency valves shut off flow at the outlet of an aboveground storage tank (AST) or in a liquid transfer line where product flow must be stopped in the event of a fire. Fusible link holds spring actuated poppet in the open position. WARNING: 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