System Lubricated Iron Body Circulators – NRF-9F/LW, NRF-22, NRF-25, NRF-33, NRF-36, NRF-45
- 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 NRF-22
- 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
Bulletin
- A-50N – Hydronic Heating and Plumbing Products
- Check-Trol™ Isolation Flow Control Flange A-118D
- Isolation Flanges A-117F
- Bell & Gossett Red Fox – Wet Rotor Circulators – Models NRF-9, NRF-9F/LW, NRF-22, NRF-25, NRF-33, NRF-36, NRF-45 A-112D
- Solar Energy Solutions for Hydronic Systems A-101
- NRF-33 and NBF-33 Wet Rotor Circulators A-115B
- New Red Fox Model NRF-9F/LW A-110
Guidelines
IOM
- NRF™-25, 36,45 / NBF™-25, 36,45 Circulator (IOM) P86203C
- Isolation Flange (IOM) (obsolete) A07209C
- Little Red Booster Pumps Service Instructions (IOM) (Obsolete) P15792B
- P86101C Series LR-WR Circulators (IOM)
- Check-Trol Flange (IOM) (obsolete) A07211
- Automatic Timer Kit/Aquastat Models (IOM) P58749B
- NRF/NBF/SSF Circulator (IOM) P58671 F
- Red Fox NRF/Bronze Fox NBF/SSF, Circulators (IOM) P48419G
- Variable Speed NRF-VS Control with setpoint or external signal follower (IOM) P86271
SELECTION & SIZING TOOLS
Bell & Gossett offers several useful engineering tools for easy sizing of every area of a building. Simple to navigate software gives you accurate information and up-to-date documentation downloadable straight into your submittal package.
Some tools require a registered account: New User Registration | Existing User Password Help
| Selection Tools: | |
| ESP-DESIGN PLUS |  Bell & Gosset: Multi-Stage, Pressure Booster Packages, Wastewater, Vertical Turbines |
| ESP-PLUS | Bell & Gossett Pump Selection: Circulators, End Suction, Closed-Coupled, Inline, Double Suction |
| ESP-THERMAL | Bell & Gossett Gasket Plate & Frame and, Brazed Plate Heat Exchangers |
| ESP-PARTS | Parts Selection |
| Steam-2000 | Steam 200 Selection |
| Steam-1140 | Series 1140 Steam Service Regulators |
| Water-1140 | Series 1140 Water Service Regulators |
| Steam-Traps | Steam Traps Selection |
| CAD Drawings | CAD Drawings |
| Sizing Tools: | |
| System Syzer | System Sizing |
| System Syzer Psychrometry | System Sizing related to coil cooling |
| Steam-Pipe | Steam Pipe Sizing |
| Steam-Loss | Steam Loss Through Failed Trap |
| Flash-Steam | Flash Steam Sizing |
| Condensate-Pipe | Condensate Pipe Sizing |
Stand-Alone Software
For a Windows Applications (stand-alone) version of ESP-PLUS, please contact your local B&G Representative.
ESP Software Support:
For ESP Software Support, please contact ebusiness.support@xyleminc.com
Bell & Gossett
Bell & Gossett is a leading manufacturer of pumps, valves, heat exchangers, and accessories for plumbing, wastewater, and HVAC—including steam and heat transfer—applications.
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