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