1. One-off valves are used to ensure that the cylinder can be used only once and should not be re-filled.
2. Filling is conducted as per GB14193-1993 standard.
3. Different cylinders can only be filled with corresponding gases to avoid accidents.
4. Filled cylinders should be stored in cool, draughty and dry place; ambient temperature should not be over 55°C or lower than -20°C. Avoid impact or falling of cylinders during transportation.
5. The rupture disk of the cylinders should be well protected against knock, impact or friction.
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