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Research and development of ZAZP(N)F acid-resistant motor-operated regulating valve

JIANG Guang ling,XIE Tian cao,XIE Li xing,QIN Ju,CHEN Mei hong Research Institute of Nanjing Chemical Industrial Group,Nanjing,Jiangsu,210048,China)  
The research and development of a new type motor operated regulating valve used for sulphuric acid plants are described The valve adopts seat and stem of FS series stainless steel,dynamic seal by corrugate fluorubber tube and electric energy consuming brake Site application shows it is operated easily with low maintenance and high regulting quality
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