1. Dirty substances in the pipe must be eliminated before cylinder is connected with pipeline
    to prevent the entrance of impurities into the cylinder.

2. The medium used by cylinder should be filtered to 40um or below.

3. Anti-freezing measure shall be adopted under low temperature enviroment to prevent moisture freezing.
4. If the cylinder is dismantled and stored for a long time, pay attention to conduct anti-rust treatment to surface.
Anti-dust caps shall be added in air inlet and outlet ports.