Chimney's Explosion Doors

Recommended size of explosion doors or draught stabilizers in oil fired installations. The table below can be used to estimate 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