Description
The Armstrong Fluid Technology 816305-325K Plastic Impeller Kit is a precision-engineered replacement designed to restore and optimize the performance of S-46 series pumps. Manufactured through a robust injection molding process, this impeller delivers consistent structural integrity, long-lasting durability, and a reliable fit every time.
Constructed from Noryl material, this impeller resists corrosion and wear under demanding operating conditions. Its lightweight design minimizes axial load on pump shafts, extending the service life of your equipment. At just 4.25 inches in diameter, it’s purpose-built to maximize pump efficiency while keeping installation simple — reducing downtime and getting your system back online faster.
Key Features
- 4.25-inch diameter plastic impeller engineered for enhanced pump efficiency
- Noryl material construction provides superior corrosion and wear resistance
- Lightweight design minimizes axial load on pump shafts
- Injection-molded for consistent quality and structural integrity
- Easy installation reduces system downtime
- Direct replacement for Armstrong S-46 Series pumps
Technical Specifications
- Part Type: Impeller
- Compatible Pump Model: S-46
- Compatible Pump Series: Series S
- Impeller Diameter: 4.25 inches
- Material: Noryl Plastic
- Weight: 0.51 lbs
- MPN: 816305-325K







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