The GRACO DBD311 is a stainless steel air-operated double diaphragm pump designed for industrial applications. It is engineered for reliable, high-volume fluid transfer in demanding environments, featuring a robust stainless steel construction for durability and chemical resistance.

Key Features:

• Pneumatic Diaphragm Pump
• Husky 1590
• Stainless Steel (SS) air motor and fluid section, PTFE balls, epoxy-coated air section
• Maximum Flow Rate: 100 GPM (378.5 LPM)
• Maximum Fluid Pressure: 120 psi (0.827 MPa)
• Industrial fluids, suitable for tough environmental conditions
• ATEX, CE
• Patented high-reliability closed center air valve (online serviceable)
• Epoxy-coated air section for enhanced durability
• Designed for high cycle rates and continuous duty
• Maximum operating temperature: 150°F (65.5°C)
• Maximum solid size: 0.1875 in (4.8 mm)

Applications:
Industrial fluid transfer, chemical processing, mining, agriculture, and other demanding environments requiring robust, reliable pumping solutions.

Installation Notes:

• Using genuine GRACO parts ensures optimal performance, reliability, and safety. Non-genuine parts may compromise pump integrity and void warranties.
• Ensure proper alignment and secure mounting of the pump
• Use appropriate air supply (maximum air pressure: 120 psi)
• Check for correct air inlet size (1/2" NPT female)
• Inspect diaphragms and seals before installation
• Follow all safety and environmental regulations
• Regularly inspect and replace diaphragms and seals as needed
• Keep air supply clean and dry
• Monitor for leaks and unusual noises
• Follow manufacturer’s recommended maintenance schedule