They can last for a few hours up to weeks at a time. Also within this time frame after quitting, convulsions or seizures can occur, which is the point at which alcohol withdrawal can become dangerous if not medically treated. The symptoms may progress to delirium tremens (DT's) after three to five days without alcohol.
I would like to add that in US most of Instrument Ait pressure is 20-25 psi in the system and Plant (Service) Air pressure is 80-120 psi (about 7 atm). Both system require dryers, filters and some other equipment to do air conditioning.
That is not to say that oil lubricated machines and liquid ring machines cannot be used successfully in the production of medical air (where permitted by local standard) but only that we have demonstrated that oil-less and oil free technologies serve our customers better in most respects. Return to top Â» How dry does medical air have to be?