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T205VB Series

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The T205VB Series vacuum breakers are used for precise control of small capacity, low-pressure service applications where an increase in vacuum must be limited.

These direct-operated vacuum breakers are available in 3/4 and 1-inch / DN20 and 25 body sizes and have 1/4 or 1/2-inch / 6.4 or 13 mm orifice.


  • Common Spare Parts— The Types T205VB and T205VBM have common spare parts with the other T205 Series products.
  • Tamper–Resistant Adjustment— Closing cap and spring case on many types allow installation of sealing wire to discourage or detect unauthorized adjustment of pressure setting.
  • Easy Conversion— The Type T205VB (internal pressure registration) converts easily to the Type T205VBM (external pressure registration).
  • Precision Control of low-Pressure Settings— Large diaphragm area provides more accurate control at low-pressure settings.
  • Corrosion Resistance— Constructions are available in a variety of materials for compatibility with corrosive gases.

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