Armstrong 816302-321K 4-3/4" NFI Pump Impeller
Armstrong 816302-321K 4-3/4" NFI Pump Impeller
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Apply for Trade Account & Terms →| Performance Parameter | Engineering Baseline Value |
|---|---|
| Manufacturer Part Number (MPN) | 816302-321K |
| Pump Series | NFI |
| Impeller Diameter | 4-3/4 inches |
Maintain peak hydraulic efficiency in your hydronic system with the Armstrong 816302-321K 4-3/4" NFI Pump Impeller. Designed as a critical replacement component for NFI series pumps, this impeller ensures that your system continues to move fluid effectively, preventing performance degradation caused by wear, cavitation, or mineral buildup. By restoring the hydraulic geometry within the pump volute, this component helps return your equipment to its original manufacturer specifications.
The impeller functions as the primary rotating element within the pump housing, utilizing centrifugal force to convert mechanical energy from the motor into fluid velocity and pressure. As it spins, the curved vanes channel the liquid from the inlet toward the outer edge of the casing, creating the necessary head pressure to circulate water through your heating or cooling circuits.
Key System Performance Baselines:
- Precision Engineering: Exact 4-3/4" diameter ensures seamless compatibility with NFI housing dimensions.
- Hydraulic Restoration: Optimizes fluid velocity to reduce energy consumption and improve flow rates.
- Corrosion Resistance: Durable material construction provides longevity even in demanding closed-loop hydronic environments.
⚠️ Application Profile: Recommended for commercial HVAC circulation, secondary heating loops, and industrial fluid transfer systems utilizing Armstrong NFI pump assemblies.
