The GRACO 647077 is an air-operated double diaphragm pump with a standard aluminum center section, acetal (AC) seats and balls, and a PTFE diaphragm. It is designed for reliable, leak-free transfer of fluids in industrial applications, offering smooth operation and long service life.
Key Features:
Air-Operated Double Diaphragm Pump
Husky 1050 AL, 1 in. (25.4 mm) NPT
Aluminum center section, acetal (AC) seats and balls, PTFE diaphragm
Maximum free flow delivery: 50 gpm (189 lpm)
Maximum fluid working pressure: 125 psi (8.6 bar, 0.86 MPa)
Stall-free, low pulsation air valve for smooth and rapid changeover
One-piece center section eliminates air leaks and reduces maintenance
Four bolt joint design for even sealing pressure and leak-free operation
Multiple ports for installation flexibility
Up to 5x longer diaphragm life for less maintenance and downtime
Optional DataTrak⢠for runaway protection and material usage tracking
Optional pulse output for cycle count capability
Applications: Suitable for transferring a variety of industrial fluids in environments requiring reliable, low-maintenance, and leak-free operation. Commonly used in manufacturing, chemical processing, and other industrial settings.
Installation Notes:
Using genuine GRACO parts ensures optimal performance, reliability, and compatibility with existing equipment.
Ensure all connections are secure and properly sealed to prevent leaks
Follow manufacturer guidelines for port orientation and mounting
Regularly inspect diaphragm and seals for wear and replace as needed
Use recommended tools and procedures for maintenance to avoid damage
Perform routine maintenance checks to extend pump life
Use only compatible fluids and avoid exceeding maximum pressure and flow rates
Consult the equipment manual for specific installation and maintenance instructions
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