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identification or title lettered on the cylinders,
facilitate the segregation of these cylinders at depots,
and promote greater safety.
Cylinders are color coded as a visual aid in
identifying the gas contained therein. However,
complete dependence for identification should not be
placed upon the color coding. Positive identification
of each gas depends upon the stenciled name and
color code of the cylinder and the indented name on
the valve body. (See figure 4-4.)
NUMERICAL MARKINGS
To facilitate identification, certain technical
material may bear numerical markings assigned either
by direction of the responsible command or by the
manufacturer. These numbers are used in maintaining
records on the material and appear on all vouchers,
records, custody cards, and survey reports.
Manufacturers Serial Numbers
Manufacturers’ serial numbers may be etched on
the material or in case of portable and installed
equipment may be attached to the equipment by
nameplates. Information usually included on
nameplates includes the manufacturer’s name, make or
model number, serial number, size, and voltage.
Figure 4-4.—Color codes for compressed gas cylinders.
4-7
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