The GRACO Husky 1590 DB3926 is an air-operated double diaphragm pump with an aluminum center section, polypropylene seats, acetal balls, and Santoprene diaphragm. It is designed for industrial fluid transfer applications, offering robust construction and reliable performance in demanding environments.

Key Features:

• Air-operated double diaphragm pump
• Husky 1590, 1-1/2" NPT
• Aluminum center section, polypropylene seats, acetal balls, Santoprene diaphragm
• Maximum free flow delivery: 100 gpm (378.5 lpm)
• Maximum fluid working pressure: 120 psi (8.4 bar, 0.84 MPa)
• Industrial fluids such as water, wastewater, detergents, antifreeze, motor oil, hydraulic fluid, cutting oil, and asphalt sealer
• Patented high-reliability closed center air valve
• Online serviceable air valve
• Epoxy-coated air section for tough environments
• Robust construction for heavy-duty use
• Capable of handling solids up to 0.19 in (4.8 mm)
• Maximum pump speed: 200 cpm
• Maximum suction lift: 20 ft (6.1 m) dry
• Maximum operating temperature: 150°F (65.5°C)

Applications:
Industrial fluid transfer, including water, wastewater, detergents, antifreeze, motor oil, hydraulic fluid, cutting oil, and asphalt sealer

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 and secure mounting of the pump
• Use appropriate thread sealant for NPT connections
• Check for leaks after installation
• Follow manufacturer’s torque specifications for assembly
• Regularly inspect and maintain the pump according to the manual
• Perform routine maintenance checks on diaphragms, valves, and seals
• Keep the air supply clean and dry
• Monitor for unusual noise or vibration
• Replace worn parts with genuine GRACO components