Description
The GRACO DFR311C31 is a stainless steel air operated double diaphragm (AODD) pump, designed for reliable, lube-free transfer of a wide range of fluids. It features a 2″ ANSI flange and is constructed with a stainless steel body and PTFE diaphragms, making it suitable for handling corrosive and abrasive chemicals in industrial environments.
Key Features:
- Air Operated Double Diaphragm Pump (AODD)
- Husky 2150 S/S, 2″ ANSI Flange
- Stainless steel body, PTFE diaphragms
- Up to 150 gpm (568 lpm)
- Up to 120 psi (8.4 bar, 0.84 MPa)
- Compatible with a wide range of industrial fluids, including corrosive and abrasive chemicals
- ATEX rated (explosion-proof for hazardous environments)
- Stall-free low pulsation air valve for smooth operation
- Up to 5 times longer diaphragm life compared to industry peers
- Fewer parts for easier maintenance
- Externally accessible air valve for quick servicing without uninstalling the pump
- Lube-free operation
- Epoxy-coated air section for tough environmental conditions
Applications:
Ideal for transferring chemicals, solvents, paints, and other industrial fluids in environments requiring robust, reliable, and maintenance-friendly pumping solutions. Suitable for use in hazardous areas due to ATEX certification.
Installation Notes:
- Using genuine GRACO parts ensures optimal performance, reliability, and safety, and maintains warranty coverage.
- Ensure proper alignment of the pump with piping to avoid stress on flanges
- Use appropriate gaskets and seals for the fluid being handled
- Follow all local safety regulations, especially in ATEX-rated environments
- Regularly inspect diaphragms and valves for wear and replace as needed
- Keep the air supply clean and dry to prolong pump life
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