The GRACO DBC777 is an air-operated double diaphragm pump with an aluminum center section, Buna-N seats, Buna-N balls, and a Buna-N diaphragm. It is designed for reliable, efficient transfer of fluids in industrial and maintenance applications, particularly where chemical compatibility and durability are required.

Key Features:

• Air-operated double diaphragm pump
• Husky 1590, 1-1/2" BSP
• Aluminum center section, Buna-N seats, Buna-N balls, Buna-N diaphragm
• Maximum free flow delivery: 100 gpm (378.5 lpm)
• Maximum fluid working pressure: 120 psi (8.4 bar, 0.84 MPa)
• Compatible with a wide range of industrial fluids, especially where chemical resistance is needed
• Up to 5 times longer diaphragm life compared to other air-operated diaphragm pumps in its class
• Fewer parts than industry peers, with externally accessible air valve for quick servicing
• No seals to leak or fail
• Quiet running (less than 85 dBa), with remote muffler capability for lower noise
• Easy-to-service air valve and ball checks

Applications:
Ideal for transferring fluids in industrial, mining, agricultural, and maintenance environments. Suitable for handling a variety of liquids, including those requiring chemical resistance.

Installation Notes:

• Using genuine GRACO parts ensures optimal performance, reliability, and safety. Non-genuine parts may compromise pump efficiency and longevity.
• Ensure proper alignment and secure mounting of the pump
• Use appropriate fittings and hoses rated for the intended pressure and fluid
• Follow manufacturer guidelines for air supply and fluid connections
• Regularly inspect and maintain diaphragms, seats, and balls for wear and proper function
• Consult the equipment manual for specific installation and maintenance procedures