The GRACO DB3955 Husky 1590 is an air-operated double diaphragm pump with an aluminum center section, polypropylene seats, TPE balls, and TPE diaphragm. 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
• Aluminum center section, polypropylene seats, TPE balls, TPE diaphragm
• Maximum flow rate: 100 gpm (378.5 lpm)
• Maximum discharge pressure: 120 psi (8.4 bar, 0.84 MPa)
• Compatible with asphalt sealer, antifreeze, detergents, motor oil, hydraulic fluid, cutting oil, water, and wastewater transfer
• High-reliability closed center air valve (online serviceable)
• Epoxy-coated air section for tough environments
• Lube-free operation
• Easy-to-service air valve and ball checks
• Compact, portable size

Applications:
Industrial fluid transfer, including abrasive, viscous, or corrosive fluids; suitable for mining, agriculture, and general industrial maintenance

Installation Notes:

• Ensures optimal performance, reliability, and compatibility with GRACO equipment
• Ensure proper alignment of inlet and outlet connections
• Use appropriate thread sealant for NPT connections
• Check for leaks after installation
• Follow manufacturer’s guidelines for air supply and pressure settings
• Regularly inspect and maintain air valve and diaphragm for longevity