The GRACO Fire-Ball® 425 Series 50:1 400 lb. (181 kg) Grease Pump Stationary Ram Package is a robust, air-powered piston pump designed for high-volume grease dispensing. It is constructed with corrosion-resistant materials including cast aluminum, steel, brass, nitrile rubber, urethane, ductile iron, and chrome-plated components. This pump is intended for demanding applications requiring long pipe runs and multiple simultaneous dispenses, such as in automotive, heavy-duty, fleet service, and industrial settings.

Key Features:

• Air-powered piston grease pump
• Fire-Ball® 425 Series, 50:1 ratio, 400 lb. (181 kg) capacity
• Cast aluminum air motor housing, steel, brass, nitrile rubber, urethane, ductile iron, chrome-plated and nickel-plated components
• Maximum working pressure: 7500 psi (248 bar); Air pressure operating range: 40–100 psi (3–7 bar)
• Designed for use with 400 lb. (181 kg) grease drums
• Large air motor for high power and long pipe runs
• Fewer moving parts for reduced downtime and lower repair costs
• Non-metallic poppet valves for superior sealing in dirty air environments
• In-line pump design for extended seal life
• Corrosion-resistant construction for longer service life
• Efficient compressed air use for continuous operation without icing

Applications:
Automotive dealerships, heavy-duty dealerships, fast lube and service centers, fleet service facilities, lube trucks, mining, in-plant operations

Installation Notes:

• Using genuine GRACO parts ensures optimal performance, reliability, and compatibility with existing equipment.
• Ensure proper alignment of the pump with the grease drum
• Connect air supply within the recommended pressure range (40–100 psi)
• Use appropriate fittings for air inlet (1/2 in. NPT) and fluid outlet (3/8 in. NPT)
• Regularly inspect and maintain seals and moving parts to prevent downtime
• Follow manufacturer guidelines for installation and maintenance