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®
