The GRACO DBP311 Husky 1590S is a robust air-operated double diaphragm (AODD) pump designed for industrial fluid transfer. It features a stainless steel body, PTFE diaphragms and balls, and an aluminum air motor. This pump is engineered for reliability and longevity in demanding environments, suitable for handling a wide range of fluids including chemicals, slurries, and viscous materials.

Key Features:

• Air Operated Double Diaphragm (AODD) Pump
• Husky 1590S, 1-1/2" (38.1 mm) ANSI flange
• Stainless steel (316) body, PTFE diaphragms and balls, aluminum air motor
• Up to 100 gpm (378 lpm)
• Maximum fluid pressure: 120 psi (8.4 bar, 0.84 MPa)
• Industrial applications, compatible with a wide range of fluids including chemicals and slurries
• ATEX, CE
• Patented, high-reliability closed center air valve (online serviceable)
• Epoxy-coated air section for tough environments
• Up to 5 times longer diaphragm life compared to similar pumps
• Externally accessible air valve for quick, easy service without uninstalling
• Lube-free operation
• Compact, portable size

Applications:
Ideal for industrial fluid transfer, chemical processing, mining, agriculture, and other demanding environments where reliable, maintenance-friendly pumps are required.

Installation Notes:

• Using genuine GRACO parts ensures optimal performance, reliability, and safety. Non-genuine parts may compromise pump efficiency and longevity.
• Ensure proper alignment and secure mounting to prevent vibration and leaks
• Use appropriate fittings and hoses rated for the intended fluid and pressure
• Follow GRACO’s recommended maintenance schedule for diaphragms and air valves
• Check for leaks and proper air supply before operation
• Regularly inspect and clean the pump to prevent clogging and wear
• Regularly inspect diaphragms, balls, and seals for wear or damage
• Service the air valve as needed without removing the pump from the system
• Keep the air supply clean and dry to prevent internal corrosion
• Replace worn parts with genuine GRACO components