Description
The GRACO 652990 is a stainless steel (SS) air-operated double diaphragm pump with a polypropylene (PP) center section and Santoprene (SP) seats. It is designed for high-flow, heavy-duty fluid transfer applications in industrial environments, offering robust performance and chemical resistance.
Key Features:
- Air-operated double diaphragm pump
- Husky 3300, 3-inch ports
- Stainless steel body, polypropylene center section, Santoprene diaphragms, seats, and balls, PTFE manifold and seat seals
- Up to 280300 GPM (varies by configuration)
- Maximum fluid pressure: 0.7 MPa (100 psi)
- Compatible with a wide range of industrial fluids, especially those requiring chemical resistance
- Stall-free low pulsation air valve for smooth, rapid changeover
- One-piece center section eliminates leaks and reduces maintenance
- Up to 5 times longer diaphragm life compared to other air-operated diaphragm pumps
- Heavy-duty construction for demanding applications
- Modular stall-resistant air valve design
- Expanded material offering for handling numerous applications
Applications:
Ideal for high-flow, heavy-duty fluid transfer in industries such as mining, agriculture, chemical processing, and manufacturing. Suitable for handling abrasive, corrosive, or viscous fluids.
Installation Notes:
- Using genuine GRACO parts ensures optimal performance, reliability, and safety. Non-genuine parts may compromise pump efficiency and longevity.
- Ensure all connections are secure and leak-free before operation
- Follow manufacturer guidelines for air supply and fluid compatibility
- Regularly inspect diaphragms, seats, and seals for wear and replace as needed
- Use appropriate tools and safety equipment during installation and maintenance
- Perform routine inspections and maintenance as recommended by GRACO
- Replace diaphragms and seals at recommended intervals to prevent leaks and downtime
- Keep the pump and surrounding area clean to avoid contamination
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