The GRACO Husky 1590 Aluminum Pump is a 1-1/2" NPT air-operated double diaphragm pump featuring an aluminum center section, stainless steel seats, acetal balls, and a PTFE overmolded diaphragm. It is designed for robust industrial fluid transfer applications, including handling a wide range of chemicals and abrasive fluids.

Key Features:

• Air-Operated Double Diaphragm Pump
• Husky 1590, 1-1/2" NPT
• Aluminum center section, stainless steel seats, acetal balls, PTFE overmolded 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 chemicals, oils, and water
• Patented, high-reliability closed center air valve
• Online serviceable air valve
• Epoxy-coated air section for tough environmental conditions
• Designed for high reliability and ease of maintenance
• Suitable for continuous duty cycles

Applications:
Industrial fluid transfer, chemical processing, oil and lubricant handling, wastewater transfer, and other demanding environments where robust and reliable pumping is required.

Installation Notes:

• Using genuine GRACO parts ensures optimal performance, reliability, and safety. Non-genuine parts may compromise pump efficiency and longevity.
• Ensure all connections are tight and leak-free
• Follow torque specifications for manifold screws (typically 80–90 in-lb for related models)
• Use compatible fluids as specified in the manual
• Regularly inspect and maintain the air valve and diaphragm for optimal performance
• Refer to the equipment manual for detailed installation and maintenance procedures
• Use only recommended replacement parts
• Perform routine inspections and preventive maintenance