What is the Jacket Cooling Water Expansion Tank ?

What is the Jacket Cooling Water Expansion Tank ?

Expansion tanks are provided for venting of gas, air or vapour formed in the jacket cooling water line, which has to be released.

Expansion tank makes up the losses that occur due to evaporation in the jacket cooling space in the engine. The make up water is provided in the expansion tank. It also provides the vent to trap any vacuum or vapour due to evaporation or leakage /cracks in the closed cycle lines.

Low level alarm is fitted in the expansion tank to give alarm when the level of the water reaches the low line due to leakage in the pipe or cylinder liner break down. Expansion tank also consists of a sight glass to observe the water level in the tank.

Bharatiyulam

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