THY-400Q diesel oil purifier is the special equipment for diesel cleaning. It was ceveloped by Xi'an Tianhou Filter Technology Co.,Ltd. Its special filter technology of multistage as one could filter more than 90% detrimental impurities and has strong function of oil water separation. Top purification cavity design prevent contaminated oil into purification cavity when changing filter element. Structural feature: Structual features: stainless steel design, single-bucket struction, DN50 flange connection for inlet&outlet, on-top Purification cavity design to prevent contaminated oil into Purification cavity while changing filter core, easy installation,.