Description
The GRACO 651550 is a vertical outlet air-operated double diaphragm pump featuring a stainless steel (SS) body, aluminum (AL) center section, and Buna-N (BN) seats, balls, and diaphragm. It is designed for reliable, efficient transfer of fluids in industrial and maintenance applications, including lubrication and fuel handling.
Key Features:
- Pneumatic Diaphragm Pump
- Husky 1050, 1 in. (25.4 mm) NPT
- Stainless Steel (SS) body, Aluminum (AL) center section, Buna-N (BN) seats, balls, and diaphragm
- Maximum Flow Rate: 50 GPM
- Industrial fluids, lubricants, fuels (compatibility may vary by specific model and material configuration)
- UL Listed (for some Husky 1050 configurations; confirm for this specific part)
- Stall-free, low pulsation air valve for smooth and rapid changeover
- Vertical outlet design for flexible installation
- Durable construction for long service life
- Efficient and reliable operation in demanding environments
Applications:
Industrial fluid transfer, lubrication systems, fuel dispensing, maintenance operations in mining, agriculture, and other sectors.
Installation Notes:
- Using genuine GRACO parts ensures optimal performance, safety, and compatibility with existing equipment.
- Ensure proper alignment and secure mounting of the pump
- Use appropriate fittings and hoses rated for the intended fluid and pressure
- Follow manufacturer guidelines for air supply and exhaust connections
- Regularly inspect and maintain diaphragms, seats, and balls for wear and proper function
- Periodically check for leaks and wear
- Replace worn components with genuine GRACO parts
- Keep air supply clean and dry to prevent contamination and damage






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