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Stainless Steel Thermostatic Air Vent/Vacuum Breaker (TAVB)

Stainless Steel Thermostatic Air Vent/Vacuum Breaker (TAVB)
Armstrong

For pressures to 150 psig (10 bar). . .
Capacities to 55 scfm (93 m3h)

The Armstrong TAVB is a combination thermostatic air vent/vacuum breaker that is ideally suited for steam-filled vessels with modulating controls. The TAVB will vent air and other non-condensables from vessels such as shell-and-tube heat exchangers, jacketed kettles, and steam coils during their operation. It will also break the vacuum that forms during steam control modulation.

This balanced pressure air vent responds to the pressure-temperature curve of steam, and the soft-seated vacuum breaker responds to 2" H2O (0,0051 bar) of vacuum.

  • Maximum allowable pressure: 300 psig (20 bar)
  • Maximum allowable temperature: 365° F (185°C)
  • Maximum working pressure: 150 psig (10 bar)
  • All stainless steel welded construction
  • NPT connections

Armstrong thermostatic air vents should be installed at the highest point on a steam chamber, with the air vent above the chamber. This will minimize the possibility of any liquid carryover, and air can be vented to the atmosphere without a drain line.




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