Description
The GRACO Husky 1050 (651544) is a stainless steel (SS) air-operated double diaphragm pump with an aluminum (AL) center section, Santoprene (SP) seats, SP balls, and SP diaphragm. It is designed for reliable transfer of a wide range of fluids, including water, antifreeze, fuel, and oils, in industrial and vehicle service applications.
Key Features:
- Air-operated double diaphragm pump
- Husky 1050, 1 inch (25.4 mm) NPT
- Stainless steel (SS) body, aluminum (AL) center section, Santoprene (SP) seats, balls, and diaphragm
- Maximum free flow delivery: 50 gpm (189 lpm)
- Maximum fluid working pressure: 125 psi (8.6 bar, 0.86 MPa)
- Compatible with water, antifreeze, fuel, oils, and similar fluids; suitable for industrial and vehicle service applications
- UL listed
- Stall-free low pulsation air valve for smooth and rapid changeover
- One-piece center section eliminates leaks and reduces maintenance
- Reliable performance with minimal maintenance required
- Handles solids up to 0.125 in (3.2 mm) in size
- Vertical outlet configuration for flexible installation
Applications:
Industrial fluid transfer, vehicle service (oil evacuation, oil transfer), water, antifreeze, and fuel transfer
Installation Notes:
- Using genuine GRACO parts ensures optimal performance, reliability, and safety. Non-genuine parts may compromise pump efficiency and longevity.
- Ensure proper alignment of inlet and outlet connections
- Use appropriate thread sealant for NPT connections
- Check for leaks after installation
- Follow manufacturer guidelines for air supply pressure and flow requirements
- Regularly inspect and maintain diaphragms, seats, and balls for wear






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