Case Study

BF1 Systems

Carbon Fibre Ex Protection

Explosive Technology

BF1 Systems initiated a project to bring the Trim Room LEV system in line with current DSEAR regulations.  The LEV system extracts carbon fibre dust into a reverse pulse filter unit, where a potentially explosive dust cloud is created during each cleaning cycle.  Explosion mitigation was not present, posing a risk to personnel and property.

The dirty air side of the filter was fitted with a metal rupture panel with a 0.1bar.g burst pressure a projectile in the event of being thrown off.

A passive explosion isolation device is fitted to the ductwork system upstream of the filter.  The valve is designed to operate in ST1 classification environments.  Ductwork between the filter and explosion isolation devices is deisgned to handle a maximum reduced pressure of 0.5Bar.g. 

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