The GRACO DFP311 is a stainless steel (SS) air-operated double diaphragm (AODD) pump with an aluminum center section, stainless steel seats, PTFE balls, and PTFE diaphragm. It is designed for reliable, efficient, and safe transfer of fluids in demanding industrial environments, compatible with a wide range of chemicals and abrasive materials.
Compatible with a wide range of chemicals and abrasive fluids; suitable for industrial, mining, and agricultural applications
Stall-free, low pulsation air valve for smooth and rapid changeover
Up to 40% more efficient than comparable pumps
Up to 5 times longer diaphragm life compared to other AODD pumps
Fewer parts, externally accessible air valve for easy servicing
Lube-free operation
Epoxy-coated air section for tough environmental conditions
Vertical outlet orientation for flexible installation
Applications: Ideal for transferring chemicals, slurries, and abrasive fluids in industrial, mining, and agricultural settings. Suitable for applications requiring high flow rates, reliability, and resistance to harsh environments.
Installation Notes:
Using genuine GRACO parts ensures optimal performance, reliability, and safety. Non-genuine parts may compromise pump efficiency and longevity.
Ensure proper alignment of the pump and piping to avoid stress on connections
Use appropriate gaskets and seals for the intended fluid
Follow manufacturer guidelines for air supply and pressure settings
Regularly inspect and maintain the air valve and diaphragms for optimal performance
Consult the equipment manual for specific installation and maintenance procedures
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