Know the procedure for boiler gauge glass blow through

Blow through of gauge glass should be carried out on daily basis.
  • First shut the steam side.
  • Second shut the water side.
  • Open the drain cock at the bottom.
  • Now wait till gauge glass became empty.
  • Open the steam side, let the steam drains and clears the steam side.
  • Close the steam side and open the water side, let the water drains completely and make the water side is clear.
  •  Now shut the drain.
  • Open the water side and wait till water rise completely in the gauge glass.
  • Open the steam side to check correct level of water in the boiler.

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