This base-mounted end suction pump is constructed with a cast iron casing and an integrally cast mounting feet design. The assembly utilizes a bronze impeller dynamically balanced to ANSI Grade G6.3 and incorporates a dry shaft design, ensuring the circulating fluid remains isolated from the stainless steel shaft. Maintenance of the seal is facilitated by a replaceable bronze shaft sleeve and a ceramic-to-EPT mechanical seal. The unit operates with a 125 PSI pressure rating and provides for system serviceability without disturbing the associated piping.
The unit utilizes a 25 HP Premium Efficiency TEFC motor operating at 1750 RPM, which incorporates Aegis grounding and functions on 380-460V / 3PH power, yielding a DOE PEI rating of 0.45. 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 4X / IP 66 rating. The drive ships unmounted for customer wall installation without a bracket, harness, or vibration mounts.