The GRACO DFD311 is a diaphragm pump designed for transferring a wide range of fluids, including those with solids up to 0.25 inches. It is available in multiple materials such as aluminum, 316 stainless steel, ductile iron, and polypropylene, making it suitable for various industrial environments. Its primary function is to provide reliable, lube-free fluid transfer in demanding applications.

Key Features:

• Diaphragm Pump
• DFD311
• Available in aluminum, 316 stainless steel, ductile iron, polypropylene, and PVDF
• Up to 150 gpm (568 lpm)
• Up to 120 psi (8.4 bar, 0.84 MPa)
• Compatible with fluids containing solids up to 0.25 inches
• Lube-free operation
• Epoxy-coated air section for tough environmental conditions
• Available with standard or remote air valve
• ANSI end-porting for easy integration

Applications:
Ideal for industrial fluid transfer, including applications with abrasive or corrosive fluids and those containing solids. Suitable for use in mining, agriculture, chemical processing, and other demanding environments.

Installation Notes:

• Using genuine GRACO parts ensures optimal performance, reliability, and compatibility with existing equipment.
• Ensure correct porting and connection type (NPT, BSP, or ANSI-flange) for your application
• Follow manufacturer guidelines for air supply and pressure settings
• Regularly inspect diaphragms and valves for wear and replace as needed
• Use appropriate mounting and support to minimize vibration and stress on the pump
• Perform routine checks on diaphragms, valves, and seals
• Keep the air section clean and free from debris
• Use only recommended replacement parts for repairs