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.