Exhaust system
44
Insulation of the exhaust pipe
(applies for both wet and dry exhaust systems)
Exhaust pipes must be carefully insulated using
fireproof material.
Danger:
Missing or unsuitable insulation can lead
to:
D Accidents with burns
D Fires in the engine room
D High engine room temperatures
Hot, non−insulated exhaust pipes heat up the
engine room considerably.
The quantity of heat emitted increases by the
surface temperature raised to the power of 4, e.g.
surface temperature increases by 20% − the
radiated heat produced is doubled.
Requirements on the insulation material:
− Flame retardant
− Fuel− and lubricant−impermeable
− The material must not release dust or fibres
into the atmosphere as these can be drawn
in by the engine
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