Vacuum pumps are part of among the final processes in the repair process. After you’ve diagnosed and repaired any leaks or additional issues in the system it’s time to recharge. Before recharging you want to make sure the machine is free from any unwanted gasses, air, or water. If we were holding to remain in the system, it could turn the essential oil it runs 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 Ac Vacuum Pump china quantity and you’ll get the approximate CFM you need to have to utilize that system. Typical residential systems need 4-5 CFM, while commercial and rooftop systems generally need just as much as 6-8 CFM.