This base-mounted end suction pump incorporates a cast iron casing with center-line discharge and a bronze impeller. The assembly utilizes a dry shaft design that prevents circulating fluid contact with the stainless steel shaft, which is protected by a replaceable bronze shaft sleeve. The mechanical seal integrates a ceramic seat with EPT elastomers. This pump is rated for 125 PSI operation.
This 20 HP premium efficiency TEFC motor operates at 3450 RPM, utilizes Aegis grounding, and accepts 380-460V 3PH power with a DOE PEI rating of 0.47. 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 without bypass and holds an enclosure NEMA 12 / IP 55 rating. The drive ships unmounted for customer wall installation without a bracket, harness, or vibration mounts.