Description
The GRACO 649577 is an air-operated diaphragm pump featuring a center flange and a 1″ fluid outlet. Its fluid section is constructed from PVDF (Kynar), with a polypropylene (PP) center section, PVDF seats, PTFE balls, and an SP diaphragm. It is designed for reliable, chemical-resistant fluid transfer in industrial applications.
Key Features:
- Air-operated diaphragm pump
- Husky 1050, 1″ outlet
- PVDF (Kynar) fluid section, PP center section, PVDF seats, PTFE balls, SP diaphragm
- Designed for use with compatible GRACO Husky 1050 pump systems
- Stall-free, low pulsation air valve for smooth and rapid changeover
- One-piece center section for leak-free operation
- Modular air valve for easy maintenance
- Longer diaphragm life (up to 5x longer for some models), reducing maintenance and downtime
- Four-bolt joint design for even sealing pressure
- Multiple ports for installation flexibility
Applications:
Industrial fluid transfer, especially for corrosive or aggressive chemicals requiring chemical-resistant materials.
Installation Notes:
- Using genuine GRACO parts ensures optimal performance, reliability, and compatibility with existing equipment.
- Ensure all connections are secure and properly aligned before operation.
- Follow manufacturer guidelines for diaphragm and valve maintenance.
- Regularly inspect for leaks and wear, especially in chemical environments.
- Use only compatible replacement parts to maintain warranty and performance.
- Perform routine maintenance checks as recommended by GRACO.
- Keep spare diaphragms and seals on hand for quick replacement.
- Consult the equipment manual for specific installation and maintenance procedures.






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