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 40μm or below.

3.Antifreezing measure shall be adopted under low temperature environment to prevent moisture freezing.

4.If the cylinder is dismantled and stored for a long time pay attention to conduct antirust treatment to the surface. Antidust caps shall be added in air inlet and outlet ports.