The GRACO 647051 is an air-operated double diaphragm pump designed for industrial fluid transfer. It features an aluminum center section, aluminum seats, TPE balls, and a Santoprene diaphragm. This pump is intended for reliable, leak-resistant transfer of a wide range of fluids, including water, antifreeze, detergents, motor oil, hydraulic fluid, and cutting oil.
Key Features:
Air-Operated Double Diaphragm Pump
Husky 1050, 1" NPT
Aluminum center section, aluminum seats, TPE balls, Santoprene diaphragm
Maximum free flow delivery: 50 gpm (189 lpm)
Maximum fluid working pressure: 125 psi (8.6 bar, 0.86 MPa) (Note: Some listings specify 100 psi/7 bar for certain configurations; confirm for exact model.)
Compatible with a wide range of industrial fluids including water, antifreeze, detergents, motor oil, hydraulic fluid, and cutting oil
UL listed (for some Husky 1050 models; confirm for exact part number)
Stall-free low pulsation air valve for smooth and rapid changeover
One-piece center section for leak resistance and reduced maintenance
Reliable, robust construction for industrial environments
Easy to maintain and service
Applications: Industrial fluid transfer, including water, antifreeze, detergents, motor oil, hydraulic fluid, cutting oil, and wastewater
Installation Notes:
Using genuine GRACO parts ensures optimal performance, reliability, and safety. Non-genuine parts may void warranties and compromise system integrity.
Install a fluid pressure relief valve at the pump outlet to prevent over-pressurization and rupture of the pump or hose
Use recommended GRACO accessories and kits for installation and maintenance
Follow all manufacturer guidelines for air supply and fluid compatibility
Regularly inspect and maintain diaphragms, seats, and balls for wear and proper function
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