System Lubricated Iron Body Circulators - Red Fox NRF-22, NRF-9F/LW, NRF-33, NRF-36, NRF-45
Overview
Both S and H Series circulators feature the unique Armstrong shaft and bearing module for ease of serviceability and maximum interchangeability. Oversized shafts of alloy steel machined to exact tolerances. Impellers are constructed from non-ferrous material and are designed for optimal water delivery. Available in bronze-fitted and all-bronze construction.
Design Features
- High starting torque for dependable seasonal start-ups (Up to 80% more than competing circulators)
- Unique B&G DuraGlide Bearing System assures years of trouble-free start-ups
- Closed impeller design improves operating efficiency
- Backed by B&G's representatives and a 3-year warranty--the best in the business
- DuraGlide Bearing System incorporates several components working together to eliminate seasonal freeze-up
- Stabilized, heat resistant, polypropylene impeller, its closed design improves operating efficiency
- Self-cleaning particle shield protects the shaft and bearings from system start-up debris
- One-piece, high-nickel stainless steel stator can isolates the stator from system fluid and maintains precision bearing alignment for longer bearing life
- Carbon bearings, diamond-like ceramic shaft and generous clearances are more resistant to lime, chloride and oxide build-up
- Face plate and rotor sleeve feature corrosion resistant stainless steel construction for longer life
- Automatic Timer, Aquastat and NRF-VS accessories are available.
APPLICATIONS:
Residential and Light Commercial Heating Systems.
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