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Reflux Accumulator

Application Overview

Reflux accumulators improve distillation efficiency. Vapours from the upper portion of the distillation column are cooled in a heat exchanger and then introduced in the accumulator. Liquid is drawn from the accumulator bottom via centrifugal pumps to the lower portion in a fractionating tower. Level monitoring occurs in the accumulator which serves as the distribution point.

The Delta Controls Benefit

  • Simple installation and setting adjustments available on onboard menus or HART® controller
  • Innovative ceramic probe design provides long-term reliability in high temperature applications
  • Simple mechanical design offers maintenance-free operation
00-app_oilgas_refluxaccumulator01 - Delta Controls Corporation

Process Data

Measurement Type

Level measurement and point level detection

Installation Vessel


Typical Range

10 feet (3 meters)



Typical Process Temperature

+356°F to +662°F (+180°C to +350°C)

Typical Process Pressure

+145 psi to +435 psi (+10 bar to +30 bar)
Delta Controls Corporation

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