Description
The GRACO 253361 is a pneumatic piston pump designed for pumping non-corrosive and non-abrasive greases and lubricants. It features a thick cast aluminum air motor housing for durability and is intended for professional use in lubrication systems, not for use in explosive atmospheres.
Key Features:
- Pneumatic Piston Pump
- Mini Fire-Ball 225, 50:1, 35 Lb. (16 Kg) Pail Length Without Handle
- Thick cast aluminum air motor housing
- Maximum Working Pressure: 8400 psi (58 MPa, 580 bar); Maximum Air Working Pressure: 140 psi (1.0 MPa, 10 bar)
- Non-corrosive and non-abrasive greases and lubricants only
- Durable construction for long service life
- Engineered for professional use
- Not for use in explosive atmospheres
- Pump ratio: 50:1
- Air inlet size: 3/8 inch NPT (female)
- Seal material: Polyurethane
- Maximum intermittent cycle rate: 100 CPM
- Maximum continuous cycle rate: 60 CPM
- Sound power level: 85.6 dB(A)
- Sound pressure level: 77.8 dB(A)
Applications:
Professional lubrication systems for industrial, mining, agricultural, and vehicle service environments where reliable, high-pressure grease pumping is required.
Installation Notes:
- Using genuine GRACO parts ensures optimal performance, safety, and longevity of the equipment.
- Ensure the pump is installed in a well-ventilated area, away from explosive atmospheres.
- Connect the air supply to the 3/8 inch NPT female air inlet.
- Use only compatible non-corrosive and non-abrasive greases and lubricants.
- Regularly inspect seals and moving parts for wear and replace as necessary.
- Follow all safety and operational guidelines in the GRACO manual.






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