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Morrison Bros. 346DI Series External Emergency Valves

Morrison Bros. 346DI Series External Emergency Valves

Vendor: Morrison Bros. Co.

Valve Type(s):
Emergency Valve

Valve Description:

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.


  • 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)
  • 346FDI has flanged body connection

Construction Details

  • Body, cap, and poppet: Ductile iron
  • Cap gasket: PTFE
  • Stem seal: PTFE encapsulated fluorocarbon elastomers

Valve Category:

Emergency Valves

Valve Subcategory

External Emergency Valve

Figure Size (in) Weight (lbs) Request Quote
346DI-0400 AV 4.50 Request Quote
346DI-0500 AV 2 6.50 Request Quote
346DI-0600 AV 3 15.0 Request Quote
346DI-1000 AV 3/4 7.30 Request Quote
346DI-1100 AV 1 7.30 Request Quote
346DI-1200 AV 1 7.0 Request Quote
346FDI0200 AV 2 15.0 Request Quote
346FDI0300 AV 3 27.0 Request Quote
346FDI0400 AV 4 71.0 Request Quote
   WARNING: Cancer and
   Reproductive Harm -