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what are the temperature ranges in which a piece of equipment is classified to work?

Sagot :

A gas can auto ignite when exposed to a temperature higher than its

autoignition temperature

Temperature ranges gives the maximum exposed surface temperature

allowable of a device that is to be used in a hazardous, atmosphere

To enable end users determine the suitability of a product for a particular

usage, an equipment is put through test in order to classify them according

to temperature of exposed (to the atmosphere) unprotected surface

Whereby the atmosphere is explosive, there is a temperature at which the

it can spontaneously ignite known as the autoignition temperature,

therefore,    it is important to use only equipment that belong to a temperature classification that is less than the auto ignition temperature of the location

The temperature classification can be presented as follows;

[tex]\begin{array}{|c|c|}Class&Surface \ Temperature \ ^{\circ }C\\T1&<450\\T2&<300\\T3&<200\\T4&<135 \\T5&<100\\T6&<85\end{array}[/tex]

The maximum allowable surface temperature of operation of a device

intended for use in an hazardous atmosphere is defined by the

temperature classification, which is also known as the T class

With knowledge of the gases present in the atmosphere, and the

autoignition temperature, accidents can be prevented

Learn more about operating temperature classification here:

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