The Graco 651966 Husky 1050S-E is a stainless steel air-operated double diaphragm pump designed for industrial fluid transfer. It features a stainless steel center section, seats, and balls, with a standard AC motor. This pump is engineered for reliability and durability in demanding environments, suitable for handling a wide range of fluids including water, oils, and chemicals[2][1][5].

Key Features:

• Air-operated double diaphragm pump
• Husky 1050S-E, 1" (25.4 mm) NPT
• Stainless steel center section, seats, and balls; standard AC motor
• 50 gpm (189 lpm)
• Maximum fluid working pressure: 125 psi (8.6 bar, 0.86 MPa)
• Compatible with water, oils, antifreeze, detergents, hydraulic fluids, and more
• UL listed (for some configurations)
• Stall-free low pulsation air valve for smooth operation
• High reliability and ease of maintenance
• Handles solids up to 1/8 in. (3.2 mm)
• Maximum cycle rate: 280 cpm
• Maximum suction lift: 16 ft (4.9 m) dry, 29 ft (8.8 m) wet
• Durable construction for industrial environments

Applications:
Industrial fluid transfer, wastewater, chemical processing, oil and lubricant handling, and general industrial pumping applications[5][1][2].

Installation Notes:

• Using genuine Graco parts ensures optimal performance, safety, and longevity of the pump.
• Ensure all connections are tight and leak-free
• Use compatible fluids and solvents as specified in the manual
• Follow manufacturer guidelines for air supply and pressure settings
• Regularly inspect diaphragms, seats, and balls for wear and replace as needed
• Consult the manual for specific installation and maintenance procedures