The sealing is tight, and can resist corrosions by chloride radical. Scaring and scaling not influence opening and shutting is the special feature of eccentric valve special for soda.

• 密封严密；耐氯根腐蚀；介质的结疤；结垢不影响启闭；这是费希尔纯碱专用蝶阀的最显著特点.