Since 1999, Fire Safety Supply has been the go-to for fire suppression products, industrial dry chemical systems, high and low-pressure CO2, vehicles, and clean agents. We serve various types of industries such as restaurants, commercial kitchen, wineries, and more.
Amerex 491R ABC Dry Chemical Nitrogen Cylinder Operated Wheeled Extinguisher (Rubber Wheels) 300 lb. (4A:320B:C)
Nitrogen Cylinder Operated - 125/150, 300/350 lb. Direct Pressure ABC, Regular, Purple K Dry Chemical
125 lb. ABC & Purple K and 150 lb. Regular Direct Pressure extinguishers utilize a 23 ft3 nitrogen cylinder with a “quick opening brass valve” to pressurize and completely discharge the agent cylinder. The compact size and 16" semi-pneumatic tires allow easy maneuvering and operation by one person, through narrow doorways and aisles. A 4" stainless steel fill opening with rugged chrome plated brass cap makes servicing easier. For large hazards choose the 300 lb. ABC or Purple K or 350 lb. Regular Direct Pressure extinguishers with a “quick opening” 55 ft3 nitrogen cylinder. They provide quality and economical fire protection, large volume capacity for extra high hazard areas with single person transport and operation. The 36" X 6" wide steel wheels make movement possible in sandy or soft soil.
Features:
· Stainless Steel Collars
· Chrome Plated Brass Fill Caps
· Brass Hose Fittings
· Live Swivels on Discharge Valve
· Heavy Duty Steel Cylinder, Carriage, Hose Rack
· Lifting Eyes
· Aluminum UL/ULC Bilingual (English/Spanish) Nameplates with Bar Code
· Pictogram Instructional Label
· DOT/TC Nitrogen Cylinder with Quick Opening Brass Valve
· 6 Year Warranty
Manufacturer: Amerex®
Product Description: Amerex 491R 300 lb. Dry Chemical Nitrogen Cylinder Operated Extinguisher
Design: Wheeled, 36″ Wheels (55)
Color: Red
Capacity (lbs.): 300
Valve Type: Brass
Temperature Range (°F): -65F – 120F
Hose Length (ft.): 50
Hose Diameter (in.): 1
Range (Initial ft.): 30 – 40
Discharge Time (s): 60
UL/ULC Rating: 40A:320B:C
Fire Ext. Cover Options: CFC350
U.S. Coast Guard Approved: Yes
Shipping Wt. (lbs.): 743
Outer Width (in.): 34
Outer Height (in.): 57
Outer Depth (in.): 39
Other: Please review and confirm product details with manufacturer’s specifications, MSDS information, insurance company and Authority Having Jurisdiction (AHJ). Prices and availability are subject to change.
The Amerex 491R is a robust 300 lb. dry chemical fire extinguisher operated by an external nitrogen cylinder, engineered for high-capacity fire protection. Rated for Class A, B, and C hazards, this unit is ideal for large industrial operations including refineries, chemical plants, manufacturing facilities, and aviation hangars where rapid response and extensive coverage are essential.
Key Features:
- 300 lb. ABC dry chemical agent – comprehensive protection against wood, paper, flammable liquids, and electrical fires
- Nitrogen cylinder operation – delivers powerful, instantaneous discharge
- Wheeled design for easy mobility across extensive workspaces
- Sturdy steel construction with corrosion-resistant finish
- Long-range discharge hose and nozzle for targeted suppression
- Rechargeable and serviceable for ongoing functionality
- Compliant with OSHA, NFPA, and DOT standards
Amerex Heavy‑Duty Suppression Systems
Amerex Corporation®, headquartered in Trussville, Alabama, has served industrial and commercial sectors since 1971. The 491R model reflects Amerex’s commitment to dependable, large-scale fire protection solutions for critical environments.
