Work on LPG
cylinders shall not be carried out in the enclosed space prior to degassing.
Degassing
should be carried out in CCOE approved site.
Cylinders shall be degassed by
purging the same by inert gas, steam or by filling water till it overflows. The water shall be retained in the cylinders
for not less than one hour to ensure that entire vapour or gas remaining in the
cylinder comes out. After emptying out
the water, the cylinders shall be kept in inverted position and be tapped
gently by non-metallic hammer to remove dust, rust or any loose remnants in the
cylinders.
After
degassing, the inside of the cylinders shall be checked by an Explosimeter to
ensure that the cylinders are gas-freed and shall again be taken up for
de-gassing till it completely gas freed.
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