Description
The GRACO 649020 is a pneumatic (air-operated) diaphragm pump designed for transferring a wide range of fluids. It features a polypropylene (PP) center section and center flange, making it suitable for handling corrosive or abrasive liquids. This pump is commonly used in industrial, chemical, and process applications where reliable, leak-free fluid transfer is required.
Key Features:
- Pneumatic diaphragm pump
- Husky 1050 series
- Polypropylene (PP) center section and center flange, stainless steel (SS) seats (as per some listings, but main body is PP)
- 50 gpm (189 lpm)
- 125 psi (8.6 bar, 0.86 MPa)
- Compatible with a wide range of fluids, including corrosive and abrasive liquids
- 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
- Up to 5x longer diaphragm life for less maintenance and downtime
- Modular air valve for easy serviceability
- Multiple ports for installation flexibility
- Optional DataTrak for runaway protection and material usage tracking
- Optional pulse output for cycle count capability
Applications:
Industrial fluid transfer, chemical processing, water treatment, mining, agriculture, and other applications requiring reliable, leak-free pumping of corrosive or abrasive liquids.
Installation Notes:
- Using genuine GRACO parts ensures optimal performance, reliability, and compatibility with existing equipment. Non-genuine parts may compromise safety and efficiency.
- Ensure all connections are tight and properly sealed to prevent leaks
- Follow manufacturer guidelines for air supply and pressure settings
- Regularly inspect diaphragms and seals for wear and replace as needed
- Use appropriate fittings and adapters for your specific application
- Consider optional features such as DataTrak for enhanced monitoring and safety
- Perform routine inspections of diaphragms, seals, and air valves
- Replace worn or damaged parts promptly to avoid downtime
- Keep the pump clean and free from debris
- Use only genuine GRACO replacement parts for repairs






Reviews
There are no reviews yet.