LV series oil recycling system is suitable especially for purifying and restoring hydraulic oil, machine oil, coolant oil and various other lubrication oil. The most breakdown of machinery which has lubrication oil system results from contaminated lubrication in LV series oil recycling system are suitable especially for recycling and restoring hydraulic oil, machine oil, coolant which has water, gas, impurities etc.. LV series can rapidly remove water, gas, particulate matters and impurities from lubrication oil and improve properties of lubricating oil so as to greatly extend lifetime of machinery which has lubrication system.