氣動三偏心硬密封(fēng)蝶閥是在二偏心硬密封蝶閥基礎(chǔ)上生成一 個(gè)角度(密封面為斜錐面)，從而形成三偏心硬密(mì)封蝶閥。該結構 在啟閉(bì)過程中無機械磨損和擦傷，其(qí)關閉力矩小、切斷性能好、 使用壽命長，同(tóng)時具有調節和切斷兩種(zhǒng)功能。 本系列産品廣泛應用于石油(yóu)、化工、電力、冶金、環保、輕 紡、造紙等工業部門的自動(dòng)化控制系統中。适用于液體、氣體、 煤氣、天然氣(qì)、蒸汽等介質進行截止或調(diào)節流量控制。 

The pneumatic tri-eccentric hard seal butterfly valve is based on the two-eccentric hard seal butterfly valve to generate an angle(the sealing surface is an inclined cone) ， thus forming the tri-eccentric hard seal butterfly valve.The structure has no mechanical wear and scratch in the process of opening and closing， small closing torque， good cutting performance and long service life， as well as has two functions of adjustment and cutting. This series of products are widely used in the automatic control system of petroleum， chemical industry， electric power， metallurgy， environmental protection， light textile， papermaking and other industrial sectors. In addition， it's suitable for liquid， gas， coal gas， natural gas and steam to cut of for regulate flowcontrol.