... 1.vacuum oil purifier series 2.stainless steel body anti-corrosi ZLT Stainless Steel Phosphate ester fire-resistant oil purifier ... can treat and regenerate the degenerative fire-resistant oil, removing acid, pigment, gas, water and particles. This machine ... vacuum dewatering, multi-stage filtration system and new adsorbentStainless steel machine body, pipes and filtering components, reliable, anti- ...