The GRACO 647673 is an air-operated double diaphragm pump designed for reliable transfer of fluids. It features a drum riser tube, stainless steel seats, and check balls, making it suitable for handling a wide range of liquids in industrial and maintenance applications. The pump is constructed for durability and reduced maintenance, with a focus on leak-free operation and long diaphragm life.

Key Features:

• Air-operated double diaphragm pump
• Husky 1050
• Stainless steel seats and check balls, one-piece center section, modular air valve
• Up to 5 gpm (19 lpm) at 40 psi (2.8 bar) air pressure (varies with pressure and fluid; see technical specs for details)
• Maximum fluid working pressure: 125 psi (8.6 bar, 0.86 MPa) for metal models; 100 psi (7 bar, 0.7 MPa) for plastic models
• Designed for use with a wide range of fluids and compatible with various drum and tank setups
• UL listed
• Stall-free, low pulsation air valve for smooth and rapid changeover
• One-piece center section eliminates leaks and reduces maintenance
• Four bolt joint design for even sealing pressure and leak-free operation
• Multiple ports for installation flexibility
• Up to 5x longer diaphragm life for less maintenance and downtime
• Optional DataTrak for runaway protection and material usage tracking
• Optional pulse output for cycle count capability
• Spring-loaded, externally serviceable pilot valves for faster changeover and reduced pulsation
• 30% more efficient than market leader
• 20% increase in fluid flow compared to Husky 1040

Applications:
Ideal for transferring a variety of liquids in industrial, maintenance, and lubrication applications. Suitable for use in mining, agriculture, and other sectors requiring reliable fluid transfer.

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 the drum riser tube and secure all connections to prevent leaks
• Use recommended air pressure settings for best performance and diaphragm life
• Regularly inspect diaphragms and check balls for wear and replace as needed
• Follow manufacturer guidelines for maintenance intervals and procedures