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Rule of Thumb - Distribution piping

Rule of Thumb - Distribution piping

A good rule of thumb that is commonly used is to limit pressure drop to less than 1 psiG per 100 linear feet. This applies to the rate of flow through any particular section of piping, and has little to do with total compressor capacity. Certain point of use applications may take compressed air at a rate of flow greater than the capacity of available compressors for a short duration. If the piping is sized per the capacity of the available compressor(s) rather than the rate of flow, it might represent a restriction that causes pressure to drop system-wide. (456)