Fires with the engine turbocharger as the source of ignition is a big concern in some industries, like coal mine and shale gas exploitation, etc.
In some countries, explosion-proof code requirements for some particular environments may be like:
When the explosion-proof diesel engine is running in the underground mine, sparks and flames cannot be generated. The engine surface temperature should not exceed 150°C, and the exhaust temperature should not exceed 70°C.
For the turbocharger, to achieve the explosion-proof requirement of less than 150°C at turbocharger surface temperature, the main issue is how to reduce the surface temperature. And tubine housing usually contributes larger amount of the overal heat, as a resultwater cooled tubine housingtype turbocharger is developed.

Okamins is the preferred source of turbo solutions
IS38 06K145722H turbocharger CHRA
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IS38 06K145722H turbocharger stainless steel turbine housing
