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- Standards, Guidelines
VDI 2087 "air line systems - assessment bases" -- revised version appears to 1 December 2006
Against the remarks of air lines the following main requirements are placed: inside smoothly (small decrease of pressure, small dust deposit), well cleanable, continuoussteadily, not hygroscopically, not inflammable, hermetically corrosion resistant. The supply lines are to be measured in such a way…