The GRACO D52366 Husky 515 is a 1/2 inch NPT standard air-operated double diaphragm pump with a polypropylene (PP) center section, stainless steel (SS) seats, and Santoprene (SP) balls and diaphragm. It is designed for reliable, leak-free transfer of a wide range of industrial fluids, including antifreeze, detergents, resins, oils, and wastewater, within GRACO equipment and compatible systems.

Key Features:

• Air-operated double diaphragm pump
• Husky 515, 1/2 inch NPT
• Polypropylene (PP) center section, stainless steel (SS) seats, Santoprene (SP) balls and diaphragm
• Up to 15 gpm (57 lpm)
• Maximum fluid working pressure: 100 psi (7 bar, 0.7 MPa); operates on as little as 20 psi (1.4 bar, 0.14 MPa) air supply
• Antifreeze, detergents, resins, 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 with remote muffler capability
• Easy-to-service air valve and ball checks
• Split manifold option available for pumping multiple fluids without mixing
• Reliable air valve for years of dependable performance

Applications:
Industrial fluid transfer, including antifreeze, detergents, resins, oils, hydraulic fluids, wastewater, and inks. Suitable for use in manufacturing, maintenance, and process industries.

Installation Notes:

• Using genuine GRACO parts ensures compatibility, reliability, and optimal performance of the pump system.
• Ensure proper alignment and secure mounting of the pump
• Use appropriate thread sealant for NPT connections
• Check air supply pressure and ensure it is within the recommended range (as low as 20 psi)
• Inspect and clean ball checks and diaphragms regularly for optimal performance
• Follow manufacturer guidelines for maintenance intervals and procedures
• Regularly inspect for leaks and wear
• Replace diaphragms and balls as recommended
• Use only compatible fluids as specified by GRACO
• Consult the manual for detailed installation and maintenance instructions