Description
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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