The GRACO 651863 is a stainless steel air-operated double diaphragm pump, designed for industrial fluid transfer applications. It features PTFE balls and is engineered for reliability and durability in demanding environments.

Key Features:

• Air-Operated Double Diaphragm Pump
• 1050S-E
• Stainless Steel (SS), PTFE balls, Polyester Elastomer seats
• 50 GPM (189 LPM)
• Maximum fluid working pressure: 125 psi (8.6 bar, 0.86 MPa)
• Industrial fluids, suitable for a wide range of chemicals and liquids
• Stall-free low pulsation air valve for smooth operation
• Bolted design for even sealing and easy maintenance
• Reliable performance in harsh industrial environments
• Handles solids up to 1/8 in. (3.2 mm)
• Maximum pump speed: 280 cycles per minute
• Maximum suction lift: 16 ft (4.9 m) dry, 29 ft (8.8 m) wet

Applications:
Industrial fluid transfer, chemical processing, wastewater management, and other applications requiring robust, reliable pumping of liquids and slurries.

Installation Notes:

• Using genuine GRACO parts ensures optimal performance, safety, and longevity of the pump.
• Ensure proper alignment and secure mounting of the pump
• Use appropriate thread sealant for air and fluid connections
• Check for leaks after installation
• Follow manufacturer guidelines for air supply and pressure settings
• Regularly inspect diaphragms, balls, and seats for wear and replace as needed
• Periodically check and clean pump components
• Replace worn or damaged parts with genuine GRACO components
• Lubricate moving parts as recommended
• Monitor pump performance and address any unusual noise or vibration