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