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IEVref:426-01-04ID:
Language:enStatus: Standard
Term: maximum surface temperature
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Definition: highest temperature which is attained in service under the most adverse conditions (but within the specified tolerances) by any part or surface of Ex Equipment

Note 1 to entry: For Ex Equipment in an explosive gas atmosphere, this temperature may occur on an internal component or on the external surface of the enclosure, depending upon the Type of Protection employed.

Note 2 to entry: For Ex Equipment in an explosive dust atmosphere, this temperature occurs on the external surface of the enclosure and may include a defined dust layer condition.


Publication date:2020-03
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