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The GRACO 246781 is a pneumatic piston pump designed for transferring grease from 400 lb (180 kg) drums. It is constructed from thick-cast aluminum, steel, urethane, aluminum, Buna-N, brass, ethylene, and Delrin, and is intended for use in lubrication systems requiring high-pressure, reliable grease delivery in industrial and maintenance environments.
Key Features:
Pneumatic Piston Pump
Mini Fire-Ball 225, 50:1 ratio, 400 lb (180 kg) drum
Thick-cast aluminum air motor housing, steel, urethane, aluminum, Buna-N, brass, ethylene, Delrin
Maximum working pressure: 8400 psi (58 MPa, 580 bar, 58000 kPa)
Designed for use with 400 lb (180 kg) grease drums
Durable thick-cast aluminum air motor housing
Fewer moving parts for reduced downtime and lower repair costs
In-line pump design maximizes seal life
Minimal wear on displacement rods due to proprietary manufacturing
Non-metallic poppet valves for superior sealing, even in dirty air environments
Large air porting design for efficient compressed air use and reduced icing
Corrosion-resistant design with liquid salt nitriding, nickel plating, stainless steel, aluminum, and chrome on key components
Applications: Ideal for low-volume or high-pressure grease transfer in automotive, industrial, and maintenance settings where reliable, continuous operation is required.
Installation Notes:
Using genuine GRACO parts ensures optimal performance, reliability, and compatibility with GRACO equipment, reducing the risk of downtime and equipment failure.
Ensure compressed air supply is clean and dry to prevent contamination and icing
Follow manufacturer’s instructions for connecting air and grease lines
Regularly inspect seals and moving parts for wear and replace as needed
Use appropriate fittings and hoses rated for high-pressure grease applications
Refer to the product manual for specific installation and maintenance procedures
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