The GRACO DB3616 Husky 1590 is an air-operated double diaphragm (AODD) pump designed for industrial fluid transfer applications. It features an aluminum center section, SP (Santoprene) seats, PTFE balls, and an SP diaphragm. This pump is engineered for reliable, long-lasting performance in demanding environments.

Key Features:

• Air-Operated Double Diaphragm (AODD) Pump
• Husky 1590, 1-1/2 in. (38.1 mm) NPT
• Aluminum center section, SP (Santoprene) seats, PTFE balls, SP 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 that is online serviceable
• Epoxy-coated air section for tough environmental conditions
• Externally accessible air valve for quick and easy servicing without uninstalling the pump
• Fewer parts than industry peers, enhancing reliability and ease of maintenance
• 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 other heavy-duty environments.

Installation Notes:

• Using genuine GRACO parts ensures optimal performance, reliability, and longevity of the pump. Non-genuine parts may compromise safety and efficiency.
• Ensure proper alignment of inlet and outlet connections
• Use appropriate thread sealant for NPT connections
• Check for leaks after installation and during initial operation
• Follow manufacturer-recommended maintenance schedules for air valve and diaphragm inspection
• Keep the air supply clean and dry to prevent contamination and wear