Description
The GRACO DFH777 is a robust, air-operated double diaphragm metal pump designed for industrial fluid transfer. It features a metal construction with Buna-N (BN) seat material, making it suitable for handling a wide range of fluids in demanding environments. Its intended use is for efficient, reliable, and high-volume fluid transfer within GRACO equipment and compatible industrial systems.
Key Features:
- Pneumatic Diaphragm Pump
- Husky 2150 AL, 2 in. (51 mm) ANSI end-porting
- Metal (aluminum), Buna-N seat
- Up to 150 gpm (568 lpm)
- Up to 120 psi (8.4 bar, 0.84 MPa)
- Designed for integration with GRACO and compatible industrial systems
- ATEX, CE
- Overall improved efficiency (up to 40% more efficient)
- Highest fluid flow rate in its class
- Up to 5 times longer diaphragm life compared to other air operated diaphragm pumps
- Expanded material offering for diverse applications
- Fewer parts than industry peers; air valve is externally accessible for quick, easy servicing without uninstalling the pump
- Lube-free operation
- Epoxy-coated air section for tough environmental conditions
Applications:
Industrial fluid transfer, including mining, agriculture, chemical processing, and other demanding environments requiring high flow rates and robust construction.
Installation Notes:
- Using genuine GRACO parts ensures optimal performance, reliability, and safety. Non-genuine parts may compromise efficiency and longevity.
- Ensure proper alignment and secure mounting of the pump
- Connect air supply according to manufacturer specifications
- Verify all connections are tight and leak-free before operation
- Regularly inspect and maintain accessible air valve for optimal performance
- Regularly check diaphragm and valve condition
- Clean and inspect the pump according to the maintenance schedule
- Use only recommended replacement parts
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