40
SCR Surface Temperatures
Position
Thickness of
Heat Insulation
at exhaust
temperature of 350
°C (662 °F) at the
SCR-muffler inlet
at exhaust
temperature 450
°C (842 °F) at the
SCR-muffler inlet
Casing – all round
Muffler filled
with insulation
75 °C (167 °F)
125 °C (257 °F)
End wall – in/outlet
side
20 mm (0.78 in.)
100 °C (212 °F)
150 °C (302 °F)
End wall – other side
20 mm (0.78 in.)
125 °C (257 °F)
200 °C (392 °F)
Mounting strap area
No insulation
225 °C (437 °F)
300 °C (572 °F)