The GRACO D52277 Husky 515 is a 1/2 inch NPT standard air-operated double diaphragm pump with a polypropylene (PP) center section, acetal (AC) seats, butyl nitrile (BN) balls, and butyl nitrile (BN) diaphragm. It is designed for reliable, leak-free transfer of a wide range of industrial fluids.

Key Features:

• Air-operated double diaphragm pump
• Husky 515, 1/2 inch NPT
• Polypropylene (PP) center section, acetal (AC) seats, butyl nitrile (BN) balls and diaphragm
• Up to 15 gpm (57 lpm)
• Maximum fluid working 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
• Stall-free low pulsation air valve for smooth and rapid changeover
• Bolt-through fluid cover design eliminates leaks and enhances safety
• No mechanical seals to cause fluid leaks or failures
• Runs quietly at less than 85 dBa
• Easy-to-service air valve and ball checks
• Split manifold option to pump multiple fluids without mixing
• Reliable air valve for years of dependable performance

Applications:
Industrial fluid transfer, including antifreeze, detergents, resins, polymers, oils, hydraulic and transmission fluids, cutting oil, water, wastewater treatment, and ink.

Installation Notes:

• Using genuine GRACO parts ensures compatibility, reliability, and optimal performance of the pump.
• Ensure all connections are secure and leak-free before operation
• Follow manufacturer guidelines for air supply and pressure settings
• Regularly inspect and maintain air valve and ball checks for optimal performance
• Use appropriate safety measures when handling industrial fluids