This close-coupled end suction pump utilizes a cast iron casing and bronze impeller. A bronze shaft sleeve protects the shaft, while a dry shaft design isolates the rotating assembly from the fluid to prevent corrosion. The unit integrates a mechanical seal with a ceramic seat half and EPT rubber, maintaining 125 PSI capacity. Pressure tappings on suction and discharge connections facilitate monitoring, while flush seal line taps accommodate filtration to protect the seal from particles.
The 20 HP premium efficiency TEFC motor operates at 1750 RPM with Aegis shaft grounding, 230V 3PH supply, and a DOE PEI of 0.46. The 'S' in the SCI series denotes Taco's advanced Self-Sensing technology, which eliminates remote sensors and field wiring by using internal mathematical algorithms to calculate system resistance and automate variable flow. The included VFD is configured with an electro-mechanical bypass, main disconnect with 5kA SCCR, drive fusing, and a 3rd contactor, and holds an enclosure NEMA 3R / IP 64 rating. The drive ships unmounted for customer wall installation without a bracket, harness, or vibration mounts.