The GRACO D42211 Husky 515 is an air-operated double diaphragm pump with a polypropylene center section, acetal seats, PTFE balls, and PTFE diaphragm. It is designed for reliable, leak-resistant fluid transfer in industrial applications, particularly where chemical compatibility and safety are required.

Key Features:

• Air-operated double diaphragm pump
• Husky 515, 1/2" BSP
• Polypropylene center section, acetal seats, PTFE balls, PTFE diaphragm
• Maximum free flow delivery: 15 gpm (57 lpm)
• Maximum fluid working pressure: 100 psi (7 bar, 0.7 MPa)
• Compatible with a wide range of industrial fluids, including antifreeze, detergents, resins, polymers, motor oil, grease & oil, hydraulic fluid, transmission fluid, cutting oil, water, and wastewater treatment fluids (note: specific compatibility may vary by wetted material; PTFE and polypropylene offer broad chemical resistance)
• Stall-free low pulsation air valve for smooth and rapid changeover
• Bolt-through fluid cover design eliminates leaks and enhances safety and reliability
• Maximum cycle rate: 400 cycles per minute
• Maximum operating temperature: 150°F (66°C)
• Maximum suction lift: 15 ft (4.5 m) dry
• Maximum size pumpable solids: 0.09 in (2.5 mm)

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

Installation Notes:

• Using genuine GRACO parts ensures optimal performance, safety, and longevity of the pump. Non-genuine parts may compromise reliability and chemical compatibility.
• Ensure all connections are tight and leak-free before operation
• Use appropriate thread sealant for BSP connections
• Follow local safety regulations and manufacturer guidelines for installation and maintenance
• Regularly inspect diaphragms, balls, and seals for wear and replace as needed