氣動[Dong]O型切斷球(Qiu)閥[Fa]具有流(Liu)通(Tong)能力大、結構緊湊、密封性[Xing]能好、 壽命長等特點，經濟[Ji]實用、易于維護。廣泛應用[Yong]于(Yu)石油、化工、 天然氣、電力[Li]、冶金、食品、制藥等(Deng)要求嚴密切斷的場(Chang)合，也可 适用于水、蒸汽、油品、液化氣、天然氣、煤氣等介質。另外(Wai)可 根據客戶的[De]需求(Qiu)選擇防(Fang)火型、特殊硬(Ying)化處理型[Xing]，提供更安全、更 廣泛的應用。 

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.