The GRACO 650255 Husky 1050P-E is a polypropylene (PP) air-operated double diaphragm pump designed for fluid transfer applications. It is intended for use in industrial settings where reliable, robust, and chemical-resistant pumping is required. The pump features a modular air valve for smooth operation and is suitable for handling a variety of fluids, including those with small solids.

Key Features:

• Air-Operated Double Diaphragm Pump
• Husky 1050P-E
• Polypropylene (PP) wetted parts, with SP (special) seats, balls, and diaphragm
• Maximum flow rate: 42 GPM (varies by configuration and pressure; some sources list up to 50 GPM for similar models)[3][1]
• Maximum fluid working pressure: 100–125 psi (7–8.6 bar, 0.7–0.86 MPa) depending on model variant[1][2][5]
• Compatible with a wide range of fluids, including those with small solids (up to 1/8 inch or 3.2 mm)[1][2]
• UL listed[2]
• Stall-free low pulsation air valve for smooth and rapid changeover
• Modular air valve for easy maintenance
• Bolted design for even sealing and reliability
• Suitable for continuous duty cycles
• Lightweight and robust construction

Applications:
Ideal for transferring fluids in industrial, mining, agricultural, and chemical processing environments. Suitable for handling fluids with small solids and for use in harsh or corrosive conditions.

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 all connections are secure and leak-free before operation
• Use compatible fluids and solvents as specified in the manual
• Regularly inspect and maintain diaphragms, seats, and balls for wear
• Follow all safety instructions and local regulations during installation and maintenance
• Consult the equipment manual for detailed installation and maintenance procedures
• Use only recommended replacement parts for repairs
• Perform routine checks on air supply and fluid lines