The GRACO 649325 is an end flange for the Husky 1050 series air-operated double diaphragm pump, constructed from conductive polypropylene with PVDF seats, FKM (Viton) balls, and FKM diaphragm. It is designed for safe, reliable transfer of fluids in industrial environments, especially where static electricity or hazardous materials are a concern.

Key Features:

• Pneumatic Diaphragm Pump End Flange
• Husky 1050 Series, 1-inch (nominal size)
• Conductive Polypropylene (end flange), Datatrak Conductive Polypropylene (center section), PVDF (seats), FKM (balls & diaphragm)
• Maximum free-flow delivery: 189 L/min (50 gpm)
• Maximum fluid pressure: 100 psi (7 bar, 700 kPa)
• Compatible with Husky 1050 series pumps and related accessories
• UL listed
• Stall-free, low pulsation air valve for smooth operation
• Modular design for easy maintenance and replacement
• Conductive materials for static dissipation in hazardous environments
• Robust construction for industrial duty cycles
• Datatrak option for advanced monitoring and protection

Applications:
Ideal for transferring water, antifreeze, fuel, and other industrial fluids in environments requiring static dissipation, such as chemical processing, mining, and agriculture.

Installation Notes:

• Using genuine GRACO parts ensures compatibility, reliability, and safety, especially in critical or hazardous applications.
• Ensure all components are clean and free of debris before assembly
• Follow torque specifications for flange bolts to prevent leaks
• Verify proper alignment of the end flange with the center section and pump body
• Check for correct installation of FKM diaphragm and balls for optimal sealing and longevity
• Consult the manual for specific installation and maintenance procedures
• Regularly inspect diaphragms, balls, and seats for wear or damage
• Replace worn components with genuine GRACO parts
• Lubricate moving parts as recommended by the manufacturer
• Monitor for leaks and unusual noise during operation