Description
The GRACO P55MCS is an air-powered piston pump designed for moving large volumes of grease efficiently. It is constructed from alloy steel, stainless steel, acetal, carbon-filled PTFE, carbon steel, ductile iron, and features electroless nickel plating for enhanced durability. This pump is intended for use in industrial and vehicle service environments where high-volume grease transfer is required.
Key Features:
- Piston Pump Package
- Check-Mate, 55:1 ratio
- Alloy Steel, Stainless Steel, Acetal, Carbon-Filled PTFE, Carbon Steel, Ductile Iron, Electroless Nickel Plating
- Maximum working pressure: 38.5 MPa (5500 psi)
- Grease
- Intuitive, easy-to-use controls with pump diagnostics for material usage tracking and maintenance planning
- Long-lasting durability with proven performance
- NXT air motor is up to 50% quieter and reduces icing
- Modular design for easier maintenance
- Rugged body armor that won’t rust or dent
- Integrated ram and pump control
- Lockable easy-turn regulator, front-mounted for easy access
- Compact and modular with built-in filtration
- Xtreme quick-disconnect coupler for easy maintenance
- Replaceable outlet fitting and seat to minimize service costs
- Piston valve with floating piston seal for maximum pressure balance across material viscosities
Applications:
Designed for high-volume grease transfer in industrial, mining, agricultural, and vehicle service environments. Ideal for applications requiring fast, reliable, and durable grease pumping solutions.
Installation Notes:
- Using genuine GRACO parts ensures optimal performance, reliability, and compatibility with existing equipment. Genuine parts are engineered to exact specifications for safety and efficiency.
- Ensure proper air supply and filtration for optimal pump performance
- Follow manufacturer guidelines for installation and maintenance
- Regularly inspect and replace wear components such as outlet fittings and seats
- Utilize the quick-disconnect coupler for easier maintenance and service
- Monitor pump diagnostics for material usage and maintenance scheduling






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