The GRACO D5B966 Husky 515 is a 1/2 inch (13 mm) air-operated double diaphragm pump with a polypropylene (PP) center section, PP seats, Santoprene (SP) balls, and SP diaphragms. It is designed for reliable, leak-free transfer of a wide range of fluids, including those with small solids, in industrial and maintenance applications.

Key Features:

• Air-operated double diaphragm pump
• Husky 515, 1/2 inch (13 mm) BSP
• Polypropylene (PP) center section, PP seats, Santoprene (SP) balls, SP diaphragms, PTFE O-rings
• Maximum fluid flow: 15 gpm (57 l/min)
• Maximum fluid discharge pressure: 100 psi (7 bar, 0.7 MPa)
• Compatible with a wide range of fluids, including those with solids up to 3/32 in (2.5 mm)
• 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
• Operates on as little as 20 psi air supply
• Rugged construction for corrosion resistance and long life

Applications:
Ideal for transferring fluids with small solids in industrial, maintenance, lubrication, and process applications. Suitable for use in mining, agriculture, and other sectors requiring reliable, leak-free fluid handling.

Installation Notes:

• Using genuine GRACO parts ensures optimal performance, reliability, and safety. Non-genuine parts may compromise pump integrity and void warranties.
• Ensure correct alignment of inlet and outlet connections
• Use appropriate thread sealant for BSP connections
• Check air supply pressure and quality before operation
• Inspect diaphragms and balls for wear during installation and maintenance
• Follow manufacturer’s torque specifications for bolt tightening