The GRACO DB348G Husky 1590 is an air-operated double diaphragm pump with an aluminum center section, hardened stainless steel seats, fluoroelastomer balls, and Geolast diaphragm. It is designed for high-flow, reliable transfer of a wide range of fluids, including those with suspended solids, in industrial and maintenance applications.

Key Features:

• Air-operated double diaphragm pump
• Husky 1590, 1-1/2" NPT
• Aluminum center section, hardened stainless steel seats, fluoroelastomer balls, Geolast diaphragm
• 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 those with solids up to 0.19 in (4.8 mm)
• Patented, high-reliability closed center air valve (online serviceable)
• Epoxy-coated air section for tough environmental conditions
• Lube-free operation
• Easy-to-service air valve and ball checks
• Compact, portable size

Applications:
Ideal for transferring fluids in industrial, mining, agricultural, and maintenance environments. Suitable for handling fluids with suspended solids, chemicals, and abrasive materials.

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 diaphragm and ball replacement
• Regularly inspect and maintain air valve and ball checks for optimal operation
• Regularly inspect diaphragms and balls for wear
• Keep air section clean and free of debris
• Use only recommended replacement parts
• Follow recommended maintenance intervals