The GRACO D5B915 Husky 515 is an air-operated double diaphragm pump with a polypropylene center section, polypropylene seats, PTFE balls, and TPE diaphragm. It is designed for reliable, leak-resistant fluid transfer in industrial applications, compatible with a wide range of chemicals and fluids.

Key Features:

• Air-operated double diaphragm pump
• Husky 515, 1/2" BSP
• Polypropylene center section, polypropylene seats, PTFE balls, TPE diaphragm
• Maximum free flow delivery: 15 gpm (57 lpm) (for Husky 515 PP models; confirm for D5B915 as it may vary by configuration)
• Maximum fluid working pressure: 100 psi (7 bar, 0.7 MPa)
• Antifreeze, detergents, resins, polymers, motor oil, grease & oil, hydraulic fluid, transmission fluid, cutting oil, water, wastewater treatment, ink (compatibility may vary by specific model and material configuration)
• Stall-free low pulsation air valve for smooth and rapid changeover
• Bolt-through fluid cover design for leak elimination and higher reliability
• Suitable for dry suction lift up to 15 ft (4.5 m)
• Maximum pump speed: 400 cpm
• 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 compatibility with existing equipment.
• 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 for maintenance
• Check for leaks and proper operation after installation
• Regularly inspect and maintain diaphragms, balls, and seals
• Use only compatible fluids as specified by GRACO
• Consult the equipment manual for detailed installation and maintenance procedures