氣動O型切斷球[Qiu]閥具(Ju)有流通能力大(Da)、結構緊湊、密封性[Xing]能好、 壽命長[Zhang]等特[Te]點，經濟實用、易[Yi]于[Yu]維護。廣泛應用于[Yu]石油、化工[Gong]、 天然氣、電力[Li]、冶金、食品、制藥等[Deng]要求嚴密切(Qie)斷的場[Chang]合，也可 适用(Yong)于水、蒸[Zheng]汽、油品、液化氣、天[Tian]然[Ran]氣、煤氣等[Deng]介質。另外可 根據客戶的(De)需求(Qiu)選擇防(Fang)火型、特殊硬化處理型，提供[Gong]更安全、更(Geng) 廣泛的應用(Yong)。 

The pneumatic O-type cut-off ball valve is characterized by large circulation capacity， compact structure， good sealing performance and long service life， which is also economical， practical and easy to maintain.It is widely used in situations required strict cut-off including petroleum， chemical industry， natural gas， electric power， metallurgy， food and pharmaceutical， and also suitable for water， steam， oils， li que fed gas， natural gas， coal gas and other media.In addition， it can also be fre-proof and special hardening treatment according to the needs of customers to provide safer and more extensive applications.