SLIDING FEET ARRANGEMENT IN BOILER




SLIDING FEET ARRANGEMENT IN BOILERS

1.The boiler expands and contracts as it heats up and cools down, sliding feet are installed to allow the boiler to move easily. 

2.The sliding feet are located below the boiler, usually under the front end of the sidewall header and water drum. 

3.There is a brass liner or a greased phosphor-bronze friction plate on which these feet will move. 

4. Failure of sliding feet to move can cause cracks in the air casing and can cause header handhole plug leaks.

5. Movement indicators are installed on the sliding feet, which have to be checked before lighting off, during warm up and after the boiler is on line to ensure positive movement of the sliding feet.

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