Vacuum pumps are component of among the final procedures in the repair process. After you’ve diagnosed and repaired any leaks or additional issues in the system it is time to recharge. Before recharging you wish to make sure the system is free from any undesirable gasses, air, or drinking water. If we were holding to remain in the machine, it would turn the essential oil it operates on into sludge and leave behind damaging impurities.

The draw on a vacuum pump is usually divided into its “CFM,” or Cubic Feet per Minute. To estimate what your CFM requirements, consider the tonnage of the systems you work on. Take the square root of that amount and you’ll obtain the approximate CFM you must have to utilize that system. Ac Vacuum Pump Typical residential systems need 4-5 CFM, while commercial and rooftop systems generally need just as much as 6-8 CFM.