MARKING / IDENTIFICATION FOR OWNERSHIP
Since
all the cylinders, which are in use, by the Oil Industry are standardised to
the same specification, the Oil Industry has adopted the following convention
to facilitate identification of the ownership of the cylinders :
(a) IOC Cylinders
: painted fully red, bottom foot
ring having horizontal oval holes.
(b) BPC Cylinders :
painted red but circular portion around the bung and up to the vertical stays,
painted yellow. The foot ring is having
round holes.
(c) HPC Cylinders :
painted red but circular portion around the bung and up to the vertical stays
painted blue. The foot ring is having
vertical oval holes.
(d) IBP Cylinders :
painted red but circular portion around the bung and up to the vertical stays
painted black. The foot ring is having
diamond shape holes.
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