Designed to protect closed vessels and piping systems against collapse when the induced vacuum exceeds design conditions. When used on steam heating systems, the No. 26 Vacuum Breaker controls induced vacuum, permitting normal return of condensate to the boiler. Adjustable range 1/4″ to 20″ (mercury) vacuum. Factory set to 4″.

• Maximum Working Pressure:
• Maximum Operating Temperature:

• 150 PSIG
• 300°F

• Bulletin

  • A-50N – Hydronic Heating and Plumbing Products
  • A-312A – Model 107A High Capacity Air Vent
  • A-310 – Air Vents

• Instruction Manual

  • G97035G – Readout Valves and Probes

• Service Manual

  • A91591 Number 98 High Capacity Air Vent 1/2
  • A07176B Number 97 Automatic Air Vent (IOM)
  • V56916A DT-2 Drain-O-Tank (IOM)
  • A90602B Miscellaneous Accessories (IOM)
  • A82003A Model 107A High Capacity Air Vent (IOM)

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

  • A-338G Misc. Air Handling Accessories