氣動(dòng)o型切斷(duàn)球(qiú)閥具有流(liú)通能力大(dà)、結構(gòu)緊湊、密封(fēng)性(xìng)能(néng)好、 壽命長(zhǎng)等特點，經(jīng)濟實(shí)用、易于維護。廣(guǎng)泛應用于石油、化工(gōng)、 天然氣、電(diàn)力、冶金(jīn)、食(shí)品、制(zhì)藥等(děng)要求嚴(yán)密(mì)切斷(duàn)的(de)場合，也可 适用于水、蒸(zhēng)汽、油(yóu)品(pǐn)、液(yè)化氣、天然(rán)氣、煤(méi)氣等(děng)介質。另(lìng)外可 根(gēn)據客戶的需求(qiú)選擇(zé)防火(huǒ)型、特殊硬(yìng)化處理型(xíng)，提供更安全、更(gèng) 廣泛的應用(yòng)。 

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.