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446 Emergency Shut-Off Valve

Brand: Morrison Bros. Co.
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The 446 normally open valve is designed to shut off liquid flow in the event of a fire or excessive temperatures.

This emergency shut-off valve is installed in the fuel line from a storage tank to fuel burning equipment; such as back-up generators, boilers and other flammable liquid burning appliances.
Features
  • cULus listed to ULC/ORD-C842 – Valves for Flammable and Combustible Liquids
  • 165° F fusible link activates spring closure
  • 1/2”, 3/4”, or 1” female NPT threaded connections
  • Compact size reduces operational footprint requirement
  • Easy to install and maintain
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The 446 normally open valve is designed to shut off liquid flow in the event of a fire or excessive temperatures.

This emergency shut-off valve is installed in the fuel line from a storage tank to fuel burning equipment; such as back-up generators, boilers and other flammable liquid burning appliances.
Features
  • cULus listed to ULC/ORD-C842 – Valves for Flammable and Combustible Liquids
  • 165° F fusible link activates spring closure
  • 1/2”, 3/4”, or 1” female NPT threaded connections
  • Compact size reduces operational footprint requirement
  • Easy to install and maintain
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Specifications

Brand

Certifications & Approvals

  • cULus

Thread Connection

  • 1/2” (12.7 mm) Female NPT
  • 3/4” (19.05 mm) Female NPT
  • 1” (25.4 mm) Female NPT

Operating Pressure

  • Rated 50 psi (433.7 kPa)

Operating Temperature

  • Rated -20° to 125° F (-28° to 51° C)

Body Material

  • 316 Stainless Steel

Material of Construction

  • Cap, Shaft, Tail Fitting, Poppet, Nut: 303 Stainless Steel
  • Lever Arm: 304 Stainless Steel
  • Handle: 356-T6 Aluminum
  • Spring: 17-7 Stainless
  • O-ring and Disc: Viton®
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Applications

Storage Tank to Fuel Burning Equipment, Such As:
  • Back-up Generators
  • Boilers
  • Other Flammable Liquid Burning Appliances
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