Armstrong 106285MF-137A - S-57-3 Bronze Centrifugal Circulator Pump
Armstrong 106285MF-137A - S-57-3 Bronze Centrifugal Circulator Pump
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Designed for reliable fluid circulation in HVAC and hydronic heating systems, this bronze centrifugal pump ensures steady flow and low maintenance. The 106285MF-137A model, part of Armstrong’s S‑57‑3 AB series, delivers 3/4 hp of dependable power.
The pump utilizes an all‑bronze volute and impeller design that maximizes hydraulic efficiency while resisting corrosion. Its sealed bearings and balanced impeller reduce vibration, providing smooth operation across a range of pressures.
Key System Performance Baselines:
- Flow Capacity: Supports medium‑duty flow rates suitable for residential and light commercial loops.
- Energy Efficiency: Engineered to operate at optimal hydraulic efficiency, minimizing power draw.
- Durability: All‑bronze construction resists rust and wear for extended service life.
- Noise Level: Designed for quiet operation, reducing acoustic impact in occupied spaces.
⚠️ Application Profile: Residential boiler circulators, commercial hydronic heating, HVAC chill‑water loops, and low‑temperature heat‑pump systems.
| Performance Parameter | Engineering Baseline Value |
|---|---|
| Manufacturer Part Number (MPN) | 106285MF-137A |
| Model Designation | S-57-3 AB |
| Body Construction | All Bronze |
| Horsepower | 3/4 hp |
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