Description
The GRACO 651518 is a horizontal outlet air-operated double diaphragm pump designed for industrial fluid transfer. It features a stainless steel (SS) pump body, aluminum (AL) center section, stainless steel seats, BN (Buna-N) balls, and a BN diaphragm. This configuration is intended for reliable, robust handling of a wide range of fluids, including those requiring chemical resistance and durability.
Key Features:
- Air-Operated Double Diaphragm Pump
- Husky 1050 (1 inch nominal size, horizontal outlet)
- Stainless steel pump body, aluminum center section, stainless steel seats, BN (Buna-N) balls, BN diaphragm
- Maximum free flow delivery: 50 gpm (189 lpm)
- Maximum fluid working pressure: 125 psi (8.6 bar, 0.86 MPa)
- Compatible with a wide range of industrial fluids, including water, antifreeze, and fuels; suitable for applications requiring chemical resistance and durability
- UL listed (for similar models; not explicitly specified for this exact configuration)
- Robust construction for demanding environments
- Ease of maintenance with accessible components
- Reliable performance with high duty cycle
- Capable of handling solids up to 1/8 inch (3.2 mm) in size
- Maximum suction lift: 16 ft (4.9 m) dry, 29 ft (8.8 m) wet
Applications:
Industrial fluid transfer, including water, antifreeze, fuel, and other compatible liquids; suitable for mining, agriculture, and general industrial maintenance
Installation Notes:
- Using genuine GRACO parts ensures optimal performance, safety, and longevity of the equipment. Non-genuine parts may compromise reliability and void warranties.
- Ensure proper alignment of the pump during installation
- Use appropriate fittings and hoses rated for the intended fluid and pressure
- Follow all safety guidelines and local regulations
- Regularly inspect and maintain diaphragms, balls, and seats for wear and tear
- Refer to the specific installation manual for detailed instructions






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