Explosion Doors in Chimneys

Recommended sizes of explosion doors or draught stabilizers for oil firing installations

The table below can be used to determine approximate release openings in chimneys:

Cross Sectional Area of Chimney
(m2)
Approximately Release Opening of Stabilizer
(mm)
0.025 - 0.050 150 x 230
0.050 - 0.125 200 x 330
0.125 - 0.200 330 x 450
0.200 - 0.400 400 x 600
0.400 - 1.000 600 x 800

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