杭州化工机械一厂制造的PF型盘式过滤机、FY型浸没泵和透平搅拌桨,是由具有20多年设计经验的专业设计院——南京化学工业公司设计院设计的。该设计既总结了国内同类产品的优点,又吸取了国外先进经验。因此,上述三种设备技术先进、结构新颖、设计合理、使用寿命长。 PF-type disc filter, FY-type immersion pump and turbine impeller manufactured by Hangzhou Chemical Machinery Factory are designed by the Design Institute of Nanjing Chemical Industry Co., Ltd., a professional design institute with more than 20 years of design experience. The design not only summarizes the advantages of similar products in China, but also draws on advanced foreign experience. Therefore, the above three kinds of equipment have advanced technology, novel structure, reasonable design and long service life.