Description
The Armstrong Fluid Technology 106284MF-132 S-55 Series Circulator Pump delivers reliable, efficient fluid circulation for commercial and industrial applications. Built around a robust bronze-fitted body and an oversized stainless steel shaft, this 1/2 HP single-phase pump is engineered for long-term durability and consistent performance.
Its centrifugal non-ferrous impeller and sintered silicon carbide mechanical seal provide maintenance-free operation, while the modular design allows for straightforward shaft and bearing servicing when needed. Whether you’re managing hydronic heating and cooling systems, domestic water distribution, or general industrial fluid handling, the S-55 Series delivers dependable results across a wide range of service conditions.
Product Highlights
- Bronze-fitted pump body for corrosion resistance and long service life
- Oversized stainless steel shaft for enhanced mechanical strength
- Centrifugal non-ferrous impeller for efficient, maintenance-free flow
- Sintered silicon carbide mechanical seal for leak-free reliability
- Modular design for easy shaft and bearing maintenance
- Suitable for hydronic heating/cooling, domestic water, and industrial services
Standard Information
- Pump Type: Circulator
- Motor Power: 1/2 HP
- Operational Phase: Single Phase
Technical Specifications
- Connection Size: 3″ Flanged
- Motor Voltage: 115/230V
- Maximum Working Pressure: 125 PSI
- Temperature Range: Up to 225°F







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