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 manufacturer’s guidelines for maintenance intervals
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