The GRACO Husky 1050 (651515) is a stainless steel (SS) air-operated double diaphragm pump with an aluminum (AL) center section, stainless steel seats, PTFE balls, and a Santoprene (SP) diaphragm. It is designed for reliable, efficient transfer of fluids such as water, antifreeze, and fuels in industrial and commercial applications.

Key Features:

• Air-operated double diaphragm pump
• Husky 1050, 1 inch (25.4 mm) NPT
• Stainless steel (SS) pump body, aluminum (AL) center section, stainless steel (SS) seats, PTFE balls, SP diaphragm
• Up to 32 GPM (free flow, depending on configuration and application)
• Maximum fluid pressure: 100–125 psi (depending on configuration; 100 psi for standard, 125 psi for some metal models)
• Suitable for water, antifreeze, fuels (including gasoline, diesel, fuel oil, lubricating oil), and compatible with gasoline/alcohol blends up to 10% ethanol
• UL listed for fuels
• Stall-free, low pulsation air valve for smooth and rapid changeover
• One-piece center section eliminates leaks and reduces maintenance
• Up to 5 times longer diaphragm life compared to other double diaphragm pumps in its class
• Spring-loaded, externally serviceable pilot valves for faster changeover and reduced pulsation
• 30% more efficient than the market leader
• 20% increase in fluid flow compared to the Husky 1040
• Expanded material offering for diverse applications

Applications:
Industrial fluid transfer, fuel dispensing, water and antifreeze transfer, lubricating oil transfer, and other applications requiring reliable, leak-free pumping of compatible fluids.

Installation Notes:

• Using genuine GRACO parts ensures optimal performance, reliability, and safety. Non-genuine parts may compromise pump efficiency and longevity.
• Ensure correct alignment of inlet and outlet ports
• Use appropriate fittings and seals for the intended fluid
• Follow manufacturer-recommended air supply and pressure settings
• Regularly inspect and maintain diaphragms, balls, and seals for wear
• Consult the product manual for specific installation and maintenance procedures