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.