The GRACO D42966 Husky 515 is a 1/2" NPT air-operated double diaphragm pump with a polypropylene (Pp) center section and seats, Santoprene balls, and Santoprene diaphragm. It is designed for reliable, leak-free transfer of a wide range of industrial fluids, including detergents, hydraulic fluids, water, and more.

Key Features:

• Air-operated double diaphragm pump
• Husky 515, 1/2" NPT
• Polypropylene center section and seats, Santoprene balls and diaphragm
• Up to 15 GPM (56.7 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 increases reliability
• 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 for pumping multiple fluids without mixing
• Lightweight and durable for industrial use

Applications:
Industrial fluid transfer, including detergents, hydraulic fluids, water, wastewater treatment, ink, and more. Suitable for mining, agriculture, and other heavy-duty environments.

Installation Notes:

• Using genuine GRACO parts ensures compatibility, reliability, and optimal performance, reducing downtime and maintenance costs.
• Ensure all connections are tight and leak-free before operation
• Follow manufacturer guidelines for air supply and pressure settings
• Regularly inspect and service air valve and ball checks for continued reliability
• Use appropriate safety measures when handling chemicals or pressurized systems
• Consult the equipment manual for specific installation and maintenance instructions
• Use only compatible fluids as specified by GRACO
• Perform routine maintenance to extend pump life and maintain efficiency