Description
The GRACO DBC666 is a pneumatic double diaphragm pump designed for high-flow transfer of fluids, including those with abrasive or corrosive properties. It is available in aluminum, stainless steel, polypropylene, and PVDF construction, making it suitable for a wide range of industrial applications. The pump is intended for use in fluid transfer, spray applications, and handling of slurries or chemicals.
Key Features:
- Pneumatic Double Diaphragm Pump
- DBC666 (also referenced as DBC660 in some listings; confirm with supplier for exact part number)
- Aluminum, Stainless Steel, Polypropylene, or PVDF
- 100 gpm (378.5 lpm)
- 120 psi (8.4 bar, 0.84 MPa)
- Compatible with a wide range of fluids, including corrosive and abrasive chemicals
- Lube-free operation
- Epoxy-coated air section for tough environments
- Compact and portable
- Seal-less, leak-proof design
- Can run dry without damage
- Handles solids up to 0.19 in (4.8 mm)
- Easy to install on covers, pails, walls, or submerged
- Air-powered for safety in hazardous environments
Applications:
Ideal for transferring chemicals, slurries, paints, and other fluids in industrial, mining, agricultural, and maintenance settings. Suitable for use in environments where electrical hazards are a concern.
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 inlet and outlet connections (1-1/2 in NPT or BSP or ANSI flange)
- Check air supply for cleanliness and adequate pressure
- Mount securely on a stable surface or as per application requirements
- Regularly inspect diaphragms and seals for wear
- Follow manufacturers guidelines for maintenance intervals






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