Chapter 2
Cylinder and Components
Edition 1 – December 2019 SAFETY FIRST 13
MSA G1 Electronic Breathing Apparatus
Only use the cylinder after receiving proper training.
Do not alter, modify or substitute any components without approval from
the State PPE&C Management Centre or adhering to CFA procedures.
Inspect the cylinder before and after use.
Do not use the cylinder if it is outside the hydrostatic testing date.
Misuse can result in serious injury or death.
BA cylinders should be fully recharged as soon as possible after use.
Always leave some pressure in the cylinder, never fully exhaust it. This
stops non-treated air from entering the cylinder which may contain
moisture and airborne contaminants.
Cylinder valve
The cylinder valve incorporates a soft plastic seat that is surrounded by brass. These
seats are easily damaged by over tightening of the cylinder valve.
Figure 2: soft plastic seal used in BA cylinders
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