The GRACO D5B977 Husky 515 is an air-operated double diaphragm pump with a polypropylene (PP) center section, PP seats, BN (butyl nitrile) balls, and BN diaphragm. It is designed for reliable, leak-free transfer of a wide range of fluids in industrial and maintenance applications.

Key Features:

• Air-operated double diaphragm pump
• Husky 515, 1/2 in. (13 mm) BSP standard
• Polypropylene (PP) center section, PP seats, BN balls, BN diaphragm
• Up to 15 GPM (57 LPM)
• Maximum fluid working pressure: 100 psi (7 bar, 0.7 MPa)
• Compatible with a wide range of fluids including antifreeze, detergent, resin, polymer, motor oil, gear oil, hydraulic fluid, automatic transmission fluid, cutting oil, and water
• Stall-free low pulsation air valve for smooth, rapid changeover
• Bolt-through fluid cover design eliminates leaks and increases 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 for pumping multiple fluids without mixing
• Operates on as little as 20 psi (1.4 bar, 0.14 MPa) air pressure
• Maximum pump speed: 400 cycles per minute
• Maximum suction lift: 15 ft (4.5 m) dry
• Maximum size pumpable solids: 0.09 in (2.5 mm)

Applications:
Ideal for transferring a variety of fluids in industrial, manufacturing, maintenance, and lubrication applications. Suitable for use in environments requiring corrosion resistance and reliable, leak-free operation.

Installation Notes:

• Using genuine GRACO parts ensures optimal performance, reliability, and safety. Non-genuine parts may compromise pump integrity and void warranties.
• Ensure all connections are secure and leak-free before operation
• Use appropriate thread sealant for BSP connections
• Install remote muffler for reduced noise if required
• Regularly inspect and service air valve and ball checks for optimal performance
• Follow manufacturer guidelines for fluid compatibility and pressure limits