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External Emergency Valve
One Year Manufacturer Warranty

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Morrison Brothers 346DI-0600 AV External Emergency Valve

3 in., Ductile Iron

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Model # Description Price Qty
346DI-0600 AV 3 in., Ductile Iron $626.39
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Morrison Brothers 346DI-0600 AV External Emergency Valve

External 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.

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.

Standard Features
  •  Fully open design provides full flow when the valve is in the open position
  •   Cold non-shock pressure rated at 200 PSI W.O.G.
  •   Flanged model conforms to ANSI B16.42 specification for class 150# raised face flanges
  •  165° UL Listed fusible link standard (212° available)
Construction Details
  • Body, cap, and poppet: Ductile iron
  • Cap gasket: Teflon®
  • Stem seal: Teflon® encapsulated fluorocarbon elastomers