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External Emergency Valves
One Year Manufacturer Warranty

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Morrison Brothers 346DI External Emergency Valves

3/4 in. to 3 in., Ductile Iron

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Select Model & Quantity:

Model # Description Price Qty
346DI-1000 AV .75 in., Ductile Iron $418.04
346DI-1100 AV 1 in., Ductile Iron $423.14
346DI-1200 AV 1.25 in., Ductile Iron $428.22
346DI-0400 AV 1.5 in., Ductile Iron $331.66
346DI-0500 AV 2 in., Ductile Iron $350.34
346DI-0600 AV 3 in., Ductile Iron $626.39
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Morrison Brothers 346DI External Emergency Valves

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

 

Figure Suffix Size Description Weight (lbs)
346DI 0400 AV 1.5" External Emergency Valve - Ductile Iron 4.5
346DI 0500 AV 2" External Emergency Valve - Ductile Iron 6.5
346DI 0600 AV 3" External Emergency Valve - Ductile Iron 15
346DI 1000 AV 0.75" External Emergency Valve - Ductile Iron 7.3
346DI 1100 AV 1" External Emergency Valve - Ductile Iron 7.3
346DI 1200 AV 1.25" External Emergency Valve - Ductile Iron 7.0