The GRACO 649001 is a 1-inch air-operated double diaphragm (AODD) pump with a center flange, featuring a polypropylene (PP) center section, PP seats, Santoprene (SP) balls, and SP diaphragms. It is designed for reliable, efficient transfer of a wide range of fluids, including aggressive chemicals, in industrial and maintenance applications.

Key Features:

• Air-Operated Double Diaphragm Pump
• Husky 1050, 1 inch (25.4 mm) connection
• Center section: Polypropylene (PP); Seats: Polypropylene (PP); Balls: Santoprene (SP); Diaphragms: Santoprene (SP)
• Maximum free flow delivery: 50 gpm (189 lpm)
• Maximum fluid working pressure: 125 psi (8.6 bar, 0.86 MPa)
• Compatible with a wide range of fluids, including most alkalis, acids, organic solvents, and degreasing agents
• Stall-free, low pulsation air valve for smooth and rapid changeover
• Spring-loaded pilot valves for faster changeover and reduced pulsation
• Externally serviceable components
• One-piece center section eliminates leaks and reduces maintenance
• Bolted joint design for even sealing pressure and leak-free operation
• Diaphragm life up to 5x longer than competitors
• 30% more efficient than market leader
• 20% increased fluid flow compared to Husky 1040

Applications:
Ideal for transferring aggressive chemicals, solvents, and degreasing agents in industrial, mining, agricultural, and maintenance environments. Suitable for applications requiring high reliability, chemical resistance, and minimal maintenance.

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 secure and leak-free before operation
• Follow manufacturer’s guidelines for alignment and mounting
• Regularly inspect diaphragms, balls, and seats for wear and replace as needed
• Use appropriate personal protective equipment when handling chemicals
• Perform routine inspections and maintenance as recommended by GRACO
• Replace diaphragms and other wear parts with genuine GRACO components
• Keep pump and surrounding area clean to prevent contamination
• Monitor for leaks and unusual noises during operation