The GRACO 650157 Husky 1050P-E is a polypropylene (PP) air-operated double diaphragm pump designed for reliable transfer of fluids in industrial applications. It features PTFE balls and PO diaphragms, making it suitable for handling a wide range of chemicals and fluids. This pump is intended for use within GRACO equipment for fluid transfer, especially where chemical compatibility and robust construction are required.

Key Features:

• Air-Operated Double Diaphragm Pump
• Husky 1050P-E, 1" End Flange
• Polypropylene (PP) body, PTFE balls, PO diaphragms
• Maximum free flow delivery: 50 gpm (189 lpm) (varies by configuration; some sources list 32–42 gpm for specific models or conditions)[1][3][5]
• Maximum fluid working pressure: 125 psi (8.6 bar, 0.86 MPa) (varies by configuration; some sources list lower pressures for specific applications)[1][3][5]
• Compatible with a wide range of chemicals and fluids, especially those requiring chemical-resistant materials
• Stall-free, low pulsation air valve for smooth operation
• Bolted design for even sealing and easy maintenance
• Up to 5 times longer diaphragm life compared to other double diaphragm pumps in its class
• 30% more efficient than market leader
• 20% increase in fluid flow compared to Husky 1040

Applications:
Ideal for chemical transfer, fuel dispensing (with appropriate relief valve), and general industrial fluid handling where chemical resistance and reliability are required[5].

Installation Notes:

• Using genuine GRACO parts ensures optimal performance, reliability, and safety. Non-genuine parts may compromise pump integrity and void warranties.
• Ensure proper alignment of inlet and outlet connections (1" end flange)
• Use appropriate gaskets and seals for chemical compatibility
• Follow recommended air supply requirements (3/8" or 1/2" NPT air inlet, depending on model variant)
• Check for leaks and proper diaphragm seating after installation
• Regularly inspect diaphragms and balls for wear and replace as needed