The GRACO DF6666 is a robust, air-operated double diaphragm pump designed for transferring a wide range of fluids, including those with suspended solids. It is available in multiple materials such as ductile iron, aluminum, stainless steel, polypropylene, and PVDF, making it suitable for various industrial environments. This pump is intended for use in demanding applications where reliability and resistance to tough conditions are required.
Key Features:
Air-Operated Double Diaphragm Pump
2 in (51 mm) ANSI end-porting
Available in ductile iron, aluminum, 316 stainless steel, polypropylene, and PVDF
Up to 150 gpm (568 lpm)
Up to 120 psi (8.4 bar, 0.84 MPa)
Compatible with a wide range of fluids, including those with solids up to 0.25 in
ATEX certification available (not standard on all models)
Lube-free operation
Epoxy-coated air section for tough environmental conditions
Available with standard or remote air valve
Durable construction for long service life
Easy maintenance and repair
Applications: Ideal for industrial fluid transfer, chemical processing, mining, wastewater treatment, and other applications requiring reliable, robust pumping of abrasive or corrosive fluids.
Installation Notes:
Using genuine GRACO parts ensures optimal performance, safety, and longevity of the pump.
Ensure proper alignment of inlet and outlet connections
Use appropriate thread type (NPT or BSP) as required
Check for leaks after installation
Follow manufacturer guidelines for air supply and pressure settings
Regularly inspect diaphragms and seals for wear
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