3-10
SET-UP AND SAFE OPERATING PROCEDURES
0056-0114
POROUS FILLER: (calcium-sicilate) 8% - 10%
The filler, which completely occupies the steel shell, is
90% - 92% composed of millions of interconnected pores.
ACETONE: 42%
Acetone is equal to 42% of the internal volume, and is
dispersed throughout the filler.
ACETYLENE GAS: 36%
The acetylene gas is uniformly absorbed by the acetone.
The resulting mixture occupies 78% of the internal volume.
RESERVE VOLUME AT 70˚ F: 10% - 12%
Since acetone and acetylene gas will expand as temperature
rises, a safety reserve must be present even at 150˚ F.
dwg-00377
Figure 2: Acetylene Cylinder Interior
Acetylene Cylinders
All acetylene cylinders are fitted with fusible plugs. These are designed to vent the cylinder contents
in the event of an unsafe condition arising in the cylinder that could be due to any number of reasons,
such as overheating from either incorrect operating techniques, faulty equipment, or in conjunction
with excessive temperature. In the event of a cylinder safety device malfunctioning, remove the
cylinder from service, place the cylinder in a well ventilated area, preferably outdoors, and notify the
supplier immediately.
Commonly Available Acetylene Cylinder Capacities
Cubic Feet
10 130 330
40 190 360
60 225 390
75 290 850
100 300
Acetylene cylinders used in the U.S.A. must conform to DOT 8 and 8 AL specifications.
Industrial Gases
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