This Taco CI Series close-coupled end suction pump features a 5" suction and 4" discharge with ANSI Class 125 flanges. The unit consists of a cast iron casing and an 11" nominal diameter bronze impeller. It incorporates a bronze shaft sleeve and a dry shaft design that prevents the shaft from contacting circulating fluid. The mechanical seal assembly includes a ceramic seat, carbon rotor, and EPT rubber, rated for temperatures up to 250°F. The pump also includes flush seal line taps and pressure tappings on suction and discharge connections. A rear pullout design allows for service access without disturbing system piping.
The pump operates at 1750 RPM and is driven by a 20 HP TEFC WEG motor, frame 256 JM with feet. It is configured for a 230-460/60/3 PH power supply and utilizes across-the-line starting. The motor meets NEMA premium efficiency standards per MG1-12.55 and includes AEGIS shaft grounding. The assembly is rated for a 40°C ambient environment with counter-clockwise rotation and has a DOE PEI rating of 0.97.