The GRACO Husky 515 is a non-metallic, air-operated double diaphragm pump with a polypropylene center section, polypropylene seats, stainless steel balls, and Buna-N diaphragm. It is designed for reliable transfer of a wide range of industrial fluids, including chemicals, oils, and water, within GRACO equipment and compatible systems.

Key Features:

• Air-operated double diaphragm pump
• Husky 515, 1/2" BSP ports
• Polypropylene center section, polypropylene seats, stainless steel balls, Buna-N diaphragm
• Maximum flow rate: 15 gpm (56.8 L/min)
• Maximum fluid pressure: 100 psi (7 bar, 0.7 MPa); Maximum air pressure: 100 psi (7 bar, 0.7 MPa)
• Antifreeze, detergents, resin, polymers, motor oil, grease & oil, hydraulic fluid, transmission fluid, cutting oil, water, wastewater treatment, ink
• ATEX, CE (varies by configuration; check specific part number for compliance)
• Stall-free low pulsation air valve for smooth and rapid changeover
• Bolt-through fluid cover design eliminates leaks and enhances safety
• No mechanical seal required
• Resists corrosion for reliable performance and long life
• Center and end porting options available

Applications:
Industrial fluid transfer, chemical processing, lubrication systems, wastewater treatment, ink and paint transfer, and general-purpose pumping in harsh environments.

Installation Notes:

• Using genuine GRACO parts ensures compatibility, reliability, and optimal performance of the pump, reducing downtime and maintenance costs.
• Ensure all connections are tight and leak-free before operation
• Use appropriate thread sealant for BSP connections
• Verify air supply is clean and within recommended pressure range (as low as 20 psi)
• Inspect diaphragms and balls periodically for wear and replace as needed
• Follow GRACO’s recommended maintenance schedule for long service life