Morrison Bros 346DI-1100 AV 1" External Emergency Valve Top Seal Caps 691B is lockable with a

691B is lockable with a padlock

1" High-Flow Multi-Plane Swivel

EZ Boss-Lock Cam & Groove Type C Coupler x Hose Shank

3:1 LD Pump

ASTM material construction

Morrison Bros 346DI-1100 AV 1" External Emergency Valve Top Seal Caps 691B is lockable with aExternal 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