The GRACO DG3777 is a remote air-operated double diaphragm pump featuring an aluminum center section, Buna-N (nitrile) seats, balls, and diaphragm. It is designed for reliable fluid transfer in demanding industrial environments, offering robust construction and compatibility with a wide range of fluids.

Key Features:

• Air-operated double diaphragm pump (AODD)
• Husky 2150, 2" (51 mm) NPT
• Aluminum center section, Buna-N (nitrile) seats, balls, and diaphragm
• Up to 150 gpm (568 lpm)
• 120 psi (8.4 bar, 0.84 MPa)
• Compatible with a wide range of industrial fluids; suitable for remote installation
• Stall-free low pulsation air valve for smooth and rapid changeover
• Up to 40% improved efficiency
• Up to 5 times longer diaphragm life compared to other AODD pumps
• Fewer parts than industry peers, externally accessible air valve for easy servicing
• Lube-free operation
• Epoxy-coated air section for tough environmental conditions

Applications:
Industrial fluid transfer, including chemicals, paints, coatings, and process liquids in mining, agriculture, manufacturing, and other sectors.

Installation Notes:

• Using genuine GRACO parts ensures optimal performance, safety, and longevity of the pump.
• Ensure proper grounding as per manual instructions
• Use recommended air supply and fluid hoses
• Install bleed-type master air valve and air regulator as required
• Follow all safety and installation instructions in the GRACO manual
• Regularly inspect and maintain accessible air valve and diaphragm for optimal performance