Description
The GRACO 651523 is a stainless steel (SS) air-operated double diaphragm pump with an aluminum (AL) center section, AC (Acetal) seats, PTFE balls, and PTFE diaphragm. It is designed for reliable, low-maintenance transfer of fluids in industrial and vehicle service applications, including water, antifreeze, and fuel, and is suitable for handling fluids with small solids.
Key Features:
- Pneumatic Diaphragm Pump
- Husky 1050
- Stainless Steel (SS) pump body, Aluminum (AL) center section, AC (Acetal) seats, PTFE balls, PTFE diaphragm
- Maximum free-flow delivery: 189 l/min (50 gpm)
- Maximum fluid pressure: 7 bar (100 psi)
- Compatible with water, antifreeze, fuel, and other industrial fluids; handles solids up to 3.2 mm (0.125 in)
- UL listed
- Stall-free low pulsation air valve for smooth and rapid changeover
- Longer diaphragm life due to PTFE diaphragm
- Horizontal outlet for flexible installation
- Reliable, low-maintenance design
- Suitable for continuous duty cycles
Applications:
Industrial fluid transfer, vehicle service (water, antifreeze, fuel), handling fluids with small solids, mining, agriculture, and general maintenance applications.
Installation Notes:
- Using genuine GRACO parts ensures optimal performance, reliability, and safety. Non-genuine parts may compromise pump efficiency and longevity.
- Ensure proper alignment of inlet and outlet connections
- Use appropriate thread sealant for air and fluid connections
- Check for leaks after installation
- Follow GRACOs recommended maintenance schedule
- Use only compatible fluids and avoid exceeding maximum pressure and temperature ratings






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