This base-mounted end suction pump utilizes a cast iron casing with an integrally cast bronze impeller and a stainless steel shaft. A bronze shaft sleeve covers the shaft, which incorporates a dry shaft design to prevent contact with the circulating fluid. The mechanical seal assembly comprises a ceramic seat and EPT rubber components to maintain hydraulic containment. This configuration operates at pressures up to 125 PSI without a wear ring. The assembly includes gauge ports at the suction and discharge connections to monitor system conditions.
The motor is a 20 HP premium efficiency TEFC 1750 RPM unit with Aegis grounding, powered by 380-460V / 3PH electricity, and carries a DOE PEI of 0.46. The 'S' in the SFI 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 a fused disconnect and 2nd contactor, holding an enclosure NEMA 1 / IP 21 rating. The drive ships unmounted for customer wall installation without a bracket, harness, or vibration mounts.