The GRACO DT2388 Husky 1590 is a 1-1/2" NPT standard air-operated double diaphragm pump with a polypropylene fluid section, aluminum center section, stainless steel seats, and flouroelastomer (FKM) balls and diaphragms. It is designed for high-flow, reliable transfer of a wide range of fluids, including those with abrasive or corrosive properties, in industrial and maintenance applications.

Key Features:

• Air-operated double diaphragm pump
• Husky 1590, 1-1/2" NPT
• Polypropylene fluid section, aluminum center section, stainless steel seats, flouroelastomer (FKM) balls and diaphragms
• Maximum flow rate: 100 gpm (378.5 lpm)
• Maximum discharge pressure: 120 psi (8.4 bar, 0.84 MPa)
• Compatible with a wide range of fluids, including abrasive and corrosive liquids; maximum solids size: 0.19 in (4.8 mm)
• Patented, high-reliability closed center air valve
• Online serviceable air valve and ball checks
• Epoxy-coated air section for tough environmental conditions
• Lube-free operation
• Compact, portable size for high flow applications
• Easy-to-service design for reduced downtime

Applications:
Ideal for transferring chemicals, paints, coatings, wastewater, slurries, and other industrial fluids in mining, agriculture, manufacturing, and maintenance environments.

Installation Notes:

• Using genuine GRACO parts ensures optimal performance, reliability, and safety. Non-genuine parts may compromise pump efficiency and longevity.
• Ensure proper alignment of inlet and outlet connections (1-1/2" NPT or ANSI flange)
• Check for correct air supply and pressure (not exceeding 120 psi)
• Inspect all seals and diaphragms before installation
• Follow manufacturer’s torque specifications for all connections
• Perform regular maintenance checks on air valve and ball checks for optimal performance