Global Performance. Personal Touch.

Model 3333 Two-Way Altitude Valve

Model 3333 Two-Way Altitude Valve

The Model 3333 is applicable anywhere an elevated storage tank or reservoir is filled and emptied through a common line. Such applications occur in municipal water, rural water, industrial plants and fire protection systems.


  • Automatic shut-off without the use of floats or sensors
  • Accurate shut-off to within inches of set point
  • High level point adjustable with single screw
  • Automatic opening when system pressure falls below tank head
  • Exhaust-to-atmosphere operation allows minimum pressure loss
  • Can be maintained without removal from the line
  • Adjustable response speed
  • Factory tested and can be pre-set to requirements
Model SheetModel Sheet (metric)SpecificationsAnimationOperations Manual
PDF Logo PDF Logo PDF Logo