The GRACO DB43GG Husky 1590 is a stainless steel air-operated double diaphragm pump with an aluminum center section, stainless steel seats, and Geolast balls and diaphragms. It is designed for high-flow, reliable transfer of a wide range of industrial fluids, including those with small solids, in demanding environments.

Key Features:

• Air-operated double diaphragm pump
• Husky 1590, 1-1/2" NPT
• Stainless steel fluid section, aluminum center section, stainless steel seats, Geolast balls and diaphragms
• 100 gpm (378.5 lpm)
• 120 psi (8.4 bar, 0.84 MPa)
• Compatible with a wide range of industrial fluids, including those with solids up to 0.19 in (4.8 mm)
• High-reliability closed center air valve
• Online serviceable
• Epoxy-coated air section for tough environments
• Lube-free operation
• Compact, portable size
• High flow rate in a robust design

Applications:
Industrial fluid transfer, including asphalt sealer, antifreeze, detergents, motor oil, hydraulic fluid, cutting oil, water, and wastewater transfer. Suitable for environments requiring robust, reliable pumping of fluids with small solids.

Installation Notes:

• Using genuine GRACO parts ensures optimal performance, reliability, and compatibility with existing equipment. 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 correct air supply pressure and flow
• Inspect diaphragms and balls for wear before installation
• Follow manufacturer’s torque specifications for assembly
• Perform regular maintenance checks for leaks and wear