The GRACO DBC911 Husky 1590 is an air-operated double diaphragm pump with a 1-1/2 in. (38.1 mm) BSP connection, featuring an aluminum center section, polypropylene (PP) seats, PTFE balls, and PTFE diaphragm. It is designed for reliable transfer of a wide range of fluids in industrial applications.

Key Features:

• Air-operated double diaphragm pump
• Husky 1590, 1-1/2 in. (38.1 mm) BSP
• Aluminum center section, polypropylene (PP) seats, PTFE balls, PTFE diaphragm
• Maximum free flow delivery: 100 gpm (378.5 lpm)
• Maximum fluid working pressure: 120 psi (8.4 bar, 0.84 MPa)
• Compatible with a wide range of industrial fluids, including water, wastewater, detergents, oils, and more
• Patented, high-reliability closed center air valve
• Online serviceable air valve for easy maintenance
• Epoxy-coated air section for tough environments
• Fewer parts than industry peers
• Externally accessible air valve for quick servicing without uninstalling the pump
• Up to 5 times longer diaphragm life compared to other air-operated diaphragm pumps in its class

Applications:
Industrial fluid transfer, including water, wastewater, detergents, motor oil, hydraulic fluid, cutting oil, and more. Suitable for mining, agriculture, and general industrial use.

Installation Notes:

• Using genuine GRACO parts ensures optimal performance, reliability, and safety. Non-genuine parts may compromise pump efficiency and longevity.
• Ensure proper alignment and secure mounting of the pump
• Use appropriate thread sealant for BSP connections
• Check air supply for correct pressure and cleanliness
• Inspect diaphragms and balls before installation
• Follow manufacturer’s torque specifications for all connections
• Perform regular maintenance checks on air valve and diaphragms