The GRACO D42D06 Husky 515 is a polypropylene air-operated double diaphragm pump with a remote polypropylene center section, urethane duckbill seats, and a Santoprene diaphragm. It is designed for reliable, leak-free transfer 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) connections
• Polypropylene (center section, main body), Urethane (duckbill seats), Santoprene (diaphragm)
• Up to 15 gpm (57 lpm)
• Maximum fluid working pressure: 100 psi (7 bar, 0.7 MPa)
• Compatible with a wide range of industrial fluids, including those with solids up to 2.5 mm
• Stall-free low pulsation air valve for smooth, 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 for pumping multiple fluids without mixing
• Operates on as little as 20 psi (1.4 bar, 0.14 MPa) air supply
• Maximum suction lift: 15 ft (4.5 m) dry, 7.6 m (wet)
• Maximum pumpable solids: 0.09 in (2.5 mm)

Applications:
Ideal for transferring fluids in industrial, maintenance, and lubrication systems, including those with small solids. Suitable for use in mining, agriculture, and other demanding environments.

Installation Notes:

• Using genuine GRACO parts ensures optimal performance, reliability, and safety, and helps maintain warranty coverage.
• Ensure all connections are secure and leak-free before operation
• Follow manufacturer guidelines for air supply and pressure settings
• Regularly inspect and service air valve and ball checks for optimal performance
• Use appropriate personal protective equipment during installation and maintenance
• Periodically check for wear on diaphragms, seats, and balls
• Clean pump components as recommended to prevent clogging and maintain flow
• Replace worn or damaged parts with genuine GRACO components