The GRACO 651154 is a stainless steel air-operated double diaphragm (AODD) pump with a polypropylene (PP) center section, stainless steel (SS) seats, and stainless steel balls. It is designed for reliable, leak-free transfer of fluids, including those with small solids, in industrial and maintenance applications.

Key Features:

• Air-Operated Double Diaphragm Pump
• Husky 1050, 1 in. (25.4 mm) NPT
• Stainless steel (SS) seats and balls, polypropylene (PP) center section
• Maximum free flow delivery: 50 gpm (189 lpm)
• Maximum fluid working pressure: 125 psi (8.6 bar, 0.86 MPa)
• Compatible with a wide range of fluids, including those with solids up to 1/8 in. (3.2 mm)
• UL listed
• Stall-free, low pulsation air valve for smooth and rapid changeover
• One-piece center section eliminates leaks and reduces maintenance
• Four bolt joint design for even sealing pressure and leak-free operation
• Modular air valve for easy maintenance
• Up to 5x longer diaphragm life for less maintenance and downtime
• Multiple ports for installation flexibility
• Optional DataTrak™ for runaway protection and material usage tracking
• Optional pulse output for cycle count capability

Applications:
Ideal for transferring fluids with small solids in industrial, mining, agricultural, and maintenance environments. Suitable for use in lubrication systems, chemical transfer, and other fluid handling applications.

Installation Notes:

• Using genuine GRACO parts ensures optimal performance, reliability, and compatibility with GRACO equipment.
• Ensure all connections are tight and leak-free before operation
• Use appropriate thread sealant on NPT connections
• Follow manufacturer’s guidelines for air supply and pressure settings
• Regularly inspect diaphragms and seals for wear and replace as needed
• Lubricate moving parts according to maintenance schedule