Instrumentation Arrangement for Drums

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Level, Pressure and temperature instruments are used to control the operation of the drum and should be placed in a position for optimum operation and maintenance.

Instrument requirements are usually highlighted on a instrument vessel sketch furnished by the instrument engineer assigned to the project. Level controllers, switches and gauges are either located individually or grouped from a common bridle or standpipe.

The controller must be operable from grade or a platform; switches, gauges and pressure and temperature connections may be operable from a ladder if no platform is available at the required elevation.

The instrument arrangement shown below was designed using information as follows :

  1. Nozzle locations
  2. Instrument Vessel Sketch
  3. Platform Arrangement
  4. Piping Arrangement.
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