The GRACO 657198 is a Husky 2150S-E air-operated double diaphragm pump, constructed with a stainless steel fluid section and designed for high-efficiency, high-flow fluid transfer in industrial applications. It is intended for use in demanding environments requiring reliable, low-maintenance pumping of liquids, including those with abrasive or corrosive properties.
Key Features:
Air Operated Double Diaphragm Pump
Husky 2150S-E, A14DS5-1SSPTPTPT
Stainless steel fluid section (specific to this model; other Husky 2150 models may use aluminum, ductile iron, polypropylene, or PVDF)
Up to 150 gpm (568 lpm)
Up to 120 psi (8.4 bar, 0.84 MPa)
Designed for use with a wide range of industrial fluids, including abrasive and corrosive liquids
Stall-free low pulsation air valve for smooth and rapid changeover
Up to 40% more efficient than comparable pumps
Up to 5 times longer diaphragm life compared to other air operated diaphragm pumps
Fewer parts than industry peers; externally accessible air valve for fast, easy servicing
Lube-free operation
Epoxy-coated air section for tough environmental conditions
2 in (51 mm) ANSI end-porting
Applications: Industrial fluid transfer, including mining, agriculture, chemical processing, and other demanding environments requiring robust, reliable pumping solutions.
Installation Notes:
Using genuine GRACO parts ensures optimal performance, reliability, and longevity of the pump. Non-genuine parts may compromise safety and efficiency.
Ensure all connections are secure and compatible with 2 in (51 mm) ANSI end-porting
Follow GRACO’s recommended installation procedures for air and fluid connections
Regularly inspect and maintain the air valve and diaphragm for optimal performance
Use appropriate safety measures when handling industrial fluids
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