氣(qì)動O型切斷(duan)球閥具有(yǒu)流通能力(li)大、結構緊(jin)湊、密封性(xing)❌能💞好、 壽♻️命(ming)長等特點(diǎn)，經濟實用(yòng)、易于維護(hu)。廣泛應用(yong)于石油、化(hua)工、 天然🌏氣(qì)、電力、冶金(jīn)、食品、制藥(yào)等要求嚴(yán)密切斷的(de)場合，也可(ke) 适用于水(shuǐ)、蒸汽🔴、油品(pǐn)、液化氣、天(tian)然氣、煤氣(qi)等介質。另(lìng)外可 根據(jù)客戶的需(xu)求選擇🏃🏻防(fang)火型、特殊(shū)硬化處理(li)型，提供更(gèng)安全📱、更 廣(guǎng)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.