The GRACO D42336 Husky 515 is an air-operated double diaphragm pump with a polypropylene fluid section, polypropylene center section, stainless steel (S/S) seats and balls, and a Santoprene diaphragm. It is designed for reliable, leak-resistant transfer of a wide range of industrial fluids, including chemicals, oils, and water-based solutions, within GRACO equipment and compatible systems.

Key Features:

• Air-operated double diaphragm pump
• Husky 515, 1/2" BSP
• Polypropylene fluid section, polypropylene center section, stainless steel seats and balls, Santoprene diaphragm
• 15 gpm (57 lpm)
• 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
• ATEX, CE (for some configurations; check specific part number for compliance)
• Stall-free low pulsation air valve for smooth operation
• Bolt-through fluid cover design for leak resistance and safety
• Easy-to-service air valve and ball checks
• Reliable air valve for years of dependable performance
• Fully-groundable acetal model available (not this specific configuration)
• Remote air valve option

Applications:
Industrial fluid transfer, chemical processing, wastewater treatment, lubrication systems, ink transfer, and other applications requiring reliable, leak-resistant pumping of a wide range of fluids.

Installation Notes:

• Using genuine GRACO parts ensures compatibility, reliability, and safety. Non-genuine parts may compromise performance and void warranties.
• Ensure correct porting and thread type (1/2" BSP for this model)
• Follow manufacturer guidelines for air supply and pressure settings
• Inspect and replace diaphragms and seals as recommended
• Use appropriate fittings and hoses rated for the intended fluid and pressure
• Regularly check for leaks and wear, especially in high-cycle applications