The FQFD serial Purifier machine: FQFD49 * 2* 2 / FQFD49 * 2* 3 , which have been passed ministerial level qualification in 1992 and was chosen as the national-level new products in 1994, and as a substitute of imported product．This machine is used to handle coarse and medium size stocks of break system from plansifter，to take out pure endosperm and send to the reduction system to produce highly refined fIour with low ash content. it is complete with reasonable design，adopt vibro-electrical transmission structure，offering advantages such as good technological result、smooth operation、low noise、1ong working life and easy maintenance and so on.