Features direct transfer of nitrogen from the cylinder to the agent tank, eliminating the need for a regulator
Multiple extinguishing agent types
350 lb capacity cylinder
Rugged fill cap, indicator fill cap
Listings and approvals include UL, ULC and USCG
Description Agent Tank – The extinguisher tank is manufactured of welded steel construction with two elliptical dished heads and welded circumferential seams. The tank is designed and constructed for a working pressure of 250 psi (17.2 bar). The top of the tank is fitted with a 4 in. (102 mm) ID fill opening. The tank head has a brass bodied safety relief with bursting disc which will vent at approximately 425 psi (29.3 bar).
Nitrogen Cylinder and Valve – The nitrogen cylinder is mounted in a vertical position and permits easy access. Volumes are 23 ft3 (0.65 m3) for the 150-D and 55 ft3 (1.55 m3) for the 350-D. Both sizes are Medical “E” nitrogen cylinders.
Each cylinder is equipped with a conventional hand wheel nitrogen cylinder valve and visual pressure gauge. A quick-opening valve is available as an option. Both valves are UL/ULC Iisted. Hoses, Valves and Nozzles – The extinguisher is equipped with cadmium-plated brass couplings. The nitrogen hose assembly is 3/8 in. (10 mm) ID with zinc-plated brass couplings.
The nozzle consists of a two-position ball valve and barrel. The nozzle barrel is a converging-diverging aluminum type. The nozzle ball valve assembly is chrome-plated brass. Nameplates – The nameplate is glare-resistant etched aluminum, and contains hazard identification plus operating and maintenance instructions.