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Armstrong 106284MF-132 - S-55-1 Cast Iron Circulator Pump, 1/2 HP

Armstrong 106284MF-132 - S-55-1 Cast Iron Circulator Pump, 1/2 HP

Brand: Armstrong SKU: 106284MF-132
Regular price $2,634.34 USD
Regular price Sale price $2,634.34 USD
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Designed for robust water circulation in commercial HVAC and hydronic heating systems, this cast‑iron pump provides steady flow and long‑lasting durability. The 106284MF-132 S‑55-1 model delivers 1/2 HP power to move water efficiently through demanding loops.

The pump utilizes a recessed‑blade impeller enclosed in a solid cast‑iron housing, while a mechanical seal preserves leak‑free operation. Its 1/2 HP motor is matched to the pump’s hydraulic curve for optimal efficiency across a wide range of pressures.

Key System Performance Baselines:

  • Flow Capacity: Up to 15 GPM at 30 psi, ensuring adequate circulation.
  • Energy Efficiency: Low power draw at full load for reduced operating costs.
  • Durability: Cast‑iron construction resists corrosion and wear.
  • Operating Pressure: Rated for up to 150 psi for reliable service.
  • Noise Level: Quiet operation below 55 dB(A) for comfortable environments.

⚠️ Application Profile: Ideal for office building water‑heating loops, hotel boiler feedwater, district‑cooling plants, industrial process cooling, and other commercial hydronic systems.

Performance ParameterEngineering Baseline Value
Manufacturer Part Number (MPN)106284MF-132
Model DesignationS‑55‑1
Body ConstructionCast Iron
Horsepower1/2 HP
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