The GRACO 650186 Husky 1050 is a polypropylene air-operated double diaphragm pump with a stainless steel center section, Buna-N seats, balls, and diaphragm. It is designed for reliable transfer of fluids in industrial applications, offering chemical resistance and durability.

Key Features:

• Air-operated double diaphragm pump
• Husky 1050, 1 inch (25 mm) connections
• Polypropylene (end flange), stainless steel (center section), Buna-N (seats, balls, diaphragm)
• Maximum free-flow delivery: 189 L/min (50 gpm)
• Maximum fluid pressure: 7 bar (100 psi)
• Compatible with a wide range of fluids including water, antifreeze, and fuels; suitable for industrial transfer applications
• UL listed (for certain models); ATEX certification depends on configuration and fluid temperature
• Stall-free, low pulsation air valve for smooth and rapid changeover
• Chemical-resistant materials for durability
• Easy maintenance and repair
• Reliable performance in demanding environments
• Handles solids up to 3.2 mm (1/8 inch)

Applications:
Industrial fluid transfer, including water, antifreeze, fuel, and other compatible liquids; suitable for environments requiring chemical resistance and reliability.

Installation Notes:

• Using genuine GRACO parts ensures optimal performance, safety, and longevity of the pump. Non-genuine parts may compromise reliability and void warranties.
• Ensure proper alignment of all connections and secure mounting
• Use appropriate thread sealant for leak-free operation
• Follow GRACO’s recommended maintenance schedule for diaphragms, seats, and balls
• Check for correct air supply and pressure before operation
• Inspect for leaks and wear after installation