Morrison Bros. 446 Stainless Steel Emergency Shut-Off Valve

Description

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 (See details below in Code Compliance)
165°F (73°C) fusible link activates spring closure
3/4? (19.05 mm) or 1? (25.4 mm) female NPT threaded connections
Compact size reduces operational footprint requirement
Easy to install and maintain

Specifications

Operating pressure rated at 50 psi (433.7 kPa)
Operating temperature range rated at -20°F (-28°C) to 125°F (51°C)
Body: 316 stainless steel
Cap, shaft, tail fitting, poppet, and nut: 303 stainless steel
Lever arm: 304 stainless steel
Handle: 356-T6 aluminum
Spring: 17-7 stainless
Fuse link: 165°F (73°C)
O-ring and disc: Viton®

Downloads
Installation & Maintenance Instructions (PDF Download)