氣動(dòng)三偏心硬(yìng)密封(fēng)蝶閥(fá)是在(zài)二偏心(xīn)硬(yìng)密封蝶閥基(jī)礎(chǔ)上生成一(yī) 個角度(密(mì)封(fēng)面(miàn)為斜(xié)錐面(miàn))，從而(ér)形成三偏(piān)心硬(yìng)密封(fēng)蝶閥(fá)。該結構 在啟閉過程中(zhōng)無機械磨損(sǔn)和擦傷，其(qí)關閉力矩(jǔ)小(xiǎo)、切斷性(xìng)能好、 使用(yòng)壽命長(zhǎng)，同時具(jù)有調(diào)節和切斷(duàn)兩種功(gōng)能。 本系(xì)列産(chǎn)品廣泛(fàn)應用于石(shí)油(yóu)、化工(gōng)、電力、冶(yě)金、環保(bǎo)、輕 紡(fǎng)、造紙等工(gōng)業部(bù)門(mén)的自動(dòng)化控制系統中(zhōng)。适用(yòng)于(yú)液體、氣(qì)體、 煤氣(qì)、天然氣(qì)、蒸汽等介質進行(háng)截(jié)止或(huò)調節流量控(kòng)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.