国产精品免费看久久久7_四虎精品久久久久影院_91蜜桃伊人蜜桃_久久人妻丝袜无码中文字幕_国产福利视精品永久免费_日本精品久久久中文字幕_青青青国产色视频在线观看_毛片免费视频在线_欧美一级久久久久久久大片_AV大片在线免费观看

Anti-corrosion fan:

　　Anti-corrosion fans are produced by Siping Blower Factory, which are mainly used for delivering corrosive gas. Take appropriate materials or anti-corrosive measures for fan flow parts according to different corrosive mediums. Adopt the advanced seal to  avoid leakage of harmful gas. For example, carbon floating ring seal, negative pressure seal, mechanical seal and gas seal. The product is ideal one for ventilation and exchanging gas in corrosive surrounding for chemical, metallurgical,machinery industry etc.

　　The  two series anti-corrosive fans substitute for series F4-57 of F4-62 and series F9-19 of  F8-18, which are produced by our factory. We can design and manufacture anti-corrosive fans according to users’ different parameters.