Qualitrol 070 Pressure Control Bleeder Series


Designed to balance pressure and vacuum conditions within a sealed vessel by releasing or admitting air and gas. If internal pressure reaches the pre-determined setting, valve will exhaust gas from the tank. If vacuum inside vessel becomes too great, the valve will admit air into the tank


  • Available with local indication (QUALITROL 070)
  • Accurate and reliable pressure control
  • All bleeder models meet or exceed ANSI standards for transformers
  • Repeatability of bleeder is ±0.5 psig on both pressure and vacuum setting
  • Tough construction meant for indoor or outdoor use
  • Coated with a thermosetting powder coat finish to withstand rough environmental conditions
  • Screened openings inhibit entry of contaminates
  • Standard models available for top, side or bottom mounting
  • Indicator gauge can be added for simplified installation on vessel
  • Wide range of adjustable pressure/ vacuum settings
  • An integrated sampling valve allows gas samples to be drawn off for analysis


  • Customized Pressure and vacuum settings
  • Single or dual (pressure and vacuum, vacuum only, pressure only)
  • Mounting style and sampling valve
  • Switches available for purchase only
  • 050 Series – Pressure/Vacuum Gauge, different ranges available
  • 351 Series – Pressure or Pressure/Vacuum Bleeder, different pressure set points available
  • 070 Series – A 050 Series Gauge and 351 Series PV Bleeder combined at the factory

Group Created with Sketch. Applications

For pressure or vacuum indication on transformers and other related apparatus.

Qualitrol 050 Pressure and Vacuum Indicator

Qualitrol 050 Pressure Control Indicator

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Qualitrol 070 Pressure Control Bleeder

Qualitrol 070 Pressure Control Bleeder Series

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Qualitrol 141,146,148 and AKM 35600, 47500 pressure control gauge

Qualitrol 141/146/148 Series and AKM 35600/47500 Pressure Control Switch Series

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