The GRACO 654521 is an air-operated double diaphragm pump constructed primarily from polypropylene, with stainless steel seats, Santoprene balls, and a Santoprene diaphragm. It is designed for high-efficiency, reliable fluid transfer in industrial applications, offering robust chemical resistance and long service life.

Key Features:

• Air-operated double diaphragm pump
• Husky 15120
• Polypropylene center section and end flange, stainless steel seats, Santoprene balls and diaphragm
• 120 gpm (454 lpm)
• 125 psi (8.6 bar, 0.86 MPa)
• Compatible with a wide range of industrial fluids, especially corrosive chemicals
• Stall-free low pulsation air valve for smooth, rapid changeover
• One-piece center section eliminates leaks and reduces maintenance
• Up to 40% more efficient than comparable pumps
• Highest fluid flow rate in its class
• Up to 5 times longer diaphragm life compared to other air-operated diaphragm pumps
• Lube-free operation
• Compact, portable size

Applications:
Ideal for transferring a wide range of industrial fluids, including corrosive chemicals, in industries such as mining, agriculture, chemical processing, and manufacturing.

Installation Notes:

• Using genuine GRACO parts ensures optimal performance, reliability, and safety, and maintains warranty coverage.
• Ensure proper alignment and secure mounting of the pump
• Connect air supply according to manufacturer specifications
• Check all connections for leaks before operation
• Use compatible piping and fittings for the intended fluid
• Follow recommended maintenance schedules for diaphragm and valve inspection
• Regularly inspect diaphragms and valves for wear or damage
• Use only recommended replacement parts for repairs
• Keep the pump clean and free from debris
• Monitor for unusual noise or vibration during operation