The GRACO Husky 1590 S/S is an air-operated double diaphragm pump with a stainless steel (S/S) fluid section, aluminum center section, hardened stainless steel seats, and Santoprene balls and diaphragms. It is designed for industrial fluid transfer applications, including handling abrasive, viscous, or corrosive fluids.
Key Features:
Air-operated double diaphragm pump
Husky 1590, 1-1/2" NPT
Stainless steel fluid section, aluminum center section, hardened stainless steel seats, Santoprene balls and diaphragms
Maximum free flow delivery: 100 gpm (378.5 L/min)
Maximum fluid working pressure: 120 psi (8.4 bar, 0.84 MPa)
Industrial fluids, including abrasive, viscous, or corrosive liquids
Patented, high-reliability closed center air valve (online serviceable)
Epoxy-coated air section for tough environmental conditions
Designed for ease of maintenance and reliability
Handles solids up to 4.8 mm in size
Maximum operating temperature: 150°F (65.5°C)
Applications: Industrial fluid transfer, including abrasive, viscous, or corrosive fluids; suitable for mining, agriculture, and general industrial use
Installation Notes:
Using genuine GRACO parts ensures optimal performance, reliability, and compatibility with existing equipment.
Ensure proper alignment and secure mounting of the pump
Use appropriate thread sealant for NPT connections
Check for leaks after installation
Follow manufacturer guidelines for air supply and fluid compatibility
Regularly inspect diaphragms and balls for wear and replace as needed
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