A series of in-line wet rotor circulation pumps designed specifically for quiet operation in open (potable) water systems. These pumps have 100% lead-free bronze bodies. Flanged, union and sweat models are available.

Automatic Timer and Aquastat accessories are available.

Residential or light commercial potable or heating applications.

• Maximum working pressure:
• Maximum operating temperature
• NBF-33:
• Maximum operating temperature All others:

• 150 psi (10.3 bar)
• 225° F (107° C)
• 230°F (110° C)

• Bulletin

  • A-50N – Hydronic Heating and Plumbing Products
  • Bell & Gossett lead-free potable water products A-151
  • Introducing ecocirc® e3 series Domestic hot water pumps A-132
  • Check-Trol™ Isolation Flow Control Flange A-118D
  • Wet Rotor Circulators and Accessories for Potable Water Applications – Models NBF-8S/LW, NBF-9U/LW, NBF-10S/LW, NBF-12F/LW, NBF-12U/LW, NBF-18S, NBF-22, NBF-22U, SSF-22, NBF-25, NBF-33, NBF-36, NBF-45 A-109G
  • Isolation Flanges A-117F
  • NRF-33 and NBF-33 Wet Rotor Circulators A-115B
  • A-134 – autocirc® Instant Hot Water System
  • A-133 – ecocirc® e3 series Domestic hot water pumps
  • What You Should Know About Water Systems FHD-28

• IOM

  • P86203C NRF™-25, 36,45 / NBF™-25, 36,45 Circulator (IOM)
  • Isolation Flange (IOM) (obsolete) A07209C
  • 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
  • Autocirc The Instant Hot Water Pump. Models e³-4_/BDPQC and e³-4_/BDPRC (IOM) 6-71-075-003

• Additional Product Images

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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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• Submittal - Uncategorized

  • Series PL Circulator A-135E
  • Series LR-WR Iron and Bronze Booster Pump A-123B
  • Check-Trol™Isolation Flow Control Flange A-129D
  • Automatic Timer Kit/Aquastat A-128D
  • Bronze and Stainless Steel Bodied System Lubricated Circulators A-127K
  • Lead Free*, Energy Efficient Autocirc® Circulators for Standard Water Heaters A-147
  • Ecocirc e3 Timer Submittal A-146