The GRACO 649572 is a replacement pump end assembly for the Husky 1050 series, constructed with polypropylene end flanges, a polypropylene center section, polypropylene seats, PTFE balls, and a Santoprene diaphragm. It is designed for use in air-operated double diaphragm pumps, suitable for transferring a wide range of fluids including water, antifreeze, and fuels in industrial applications.

Key Features:

• Air-Operated Double Diaphragm Pump End Assembly
• Husky 1050, 1 inch port size
• Polypropylene end flanges, polypropylene center section, polypropylene seats, PTFE balls, Santoprene diaphragm
• Maximum free flow: 189 lpm (50 US GPM) for Husky 1050 series
• Maximum working pressure: 8.6 bar (125 psi) for Husky 1050 series
• Compatible with Husky 1050 series air-operated double diaphragm pumps
• UL listed for Husky 1050 series
• Stall-free, low pulsation air valve for smooth and rapid changeover
• One-piece center section reduces leaks and maintenance
• Spring-loaded, externally serviceable pilot valves for faster changeover and reduced pulsation
• Up to 5 times longer diaphragm life compared to other pumps in its class
• Expanded material offering for handling a wide range of fluids

Applications:
Industrial fluid transfer applications, 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, reliability, and compatibility with Husky 1050 pumps.
• Ensure all components are clean and free from debris before assembly
• Follow GRACO’s recommended torque specifications for all fasteners
• Inspect seals and diaphragms for wear or damage before installation
• Refer to the Husky 1050 manual for detailed installation and maintenance procedures
• Regularly inspect and maintain pump components to prevent leaks and ensure long service life
• Use only compatible fluids as specified by GRACO
• Replace worn or damaged parts promptly to avoid pump failure