There are several factors that can contribute to the failure of soot blower seals, which are used to prevent leaks and maintain the integrity of the soot blower system. Some common causes of seal failure include:

1. Age: Over time, soot blower seals may become worn or brittle, leading to cracks or other types of damage that can cause leaks.
2. Temperature fluctuations: Seals may be more prone to failure if they are exposed to extreme temperature fluctuations, as this can cause the material to become brittle or prone to cracking.
3. Chemical exposure: Some soot blower seals are made from materials that are susceptible to damage from certain chemicals. If the seals are exposed to these chemicals, it can cause them to degrade and fail.
4. Misalignment: Soot blower seals may fail if the system is misaligned or if there is too much vibration or movement, which can put excessive stress on the seals.
5. Poor installation: If soot blower seals are not installed properly, it can lead to problems with the system, including seal failure.

It is important to regularly inspect and maintain soot blower seals to ensure that they are in good condition and functioning properly. If a seal does fail, it is important to replace it as soon as possible to prevent leaks and maintain the efficiency of the soot blower system.

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