Description
The GRACO 652856 is a stainless steel (SS) air-operated double diaphragm pump with a polypropylene (PP) center section, designed for high-volume fluid transfer in industrial applications. It is intended for use within GRACO equipment to handle a wide range of fluids, including those requiring chemical resistance and high flow rates.
Key Features:
- Air-operated double diaphragm pump
- Husky 3300, 3 in. BSPT
- Stainless steel (SS) pump with polypropylene (PP) center section, PTFE diaphragm and balls
- Up to 280300 GPM (varies by configuration)
- Maximum fluid pressure: 0.7 MPa
- Compatible with a wide range of industrial fluids, especially those requiring chemical resistance
- CE (varies by configuration), ATEX available
- Stall-free low pulsation air valve for smooth and 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
- Modular, stall-resistant air valve design
- Heavy-duty construction for reliability and long service life
- Expanded material offering for handling numerous applications
Applications:
Ideal for high-volume 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.
- Install the pump as close as possible to the material source to minimize suction requirements and maximize performance
- Use grounded, flexible fluid hoses to reduce the risk of static sparking
- Install a fluid drain valve near the fluid outlet and a shutoff valve in the fluid outlet line
- Follow torque instructions for inlet and outlet port connections
- Ensure the equipment is properly grounded






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