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Pneumatic fliyò aliyen valv

Nan pwosesis endistriyèl ki enplike medya trè korozivite, konpwesyon fliyò a aliyen valv kontwòl results kòm yon solisyon espesyalize ak serye, konbine egzak kontwòl koule ak rezistans eksepsyonèl nan atak chimik. Konsepsyon inik li fè li yon eleman esansyèl nan anviwònman kote tiyo estanda ta byen vit sikonbe nan korozyon .
Estrikti a nan konpwesyon pou fluorin valv la kontwòl aliyen se Enjenieri pou tou de fonctionnalités ak rezistans chimik. Li konsiste de yon kò valv, yon pawa fliyò (tipikman te fè nan PTFE oswa PFA), yon ploge valv, yon aksyonè konpwesyon, ak yon pozisyon. Pawa a fliyò kouvri sifas yo enteryè nan kò a valv, chèz valv, ak lòt pati mouye, fòme yon baryè ki izole eleman yo metal soti nan mwayen an korozivite. Aktuatè a konpwesyon, ki konekte nan ploge nan valv atravè yon tij, bay fòs la kondwi pou règleman koule, pandan y ap pozisyon an asire kontwòl egzat pa ajiste pwodiksyon actionneur a ki baze sou siyal opinyon .
Prensip la ap travay nan sa a valv vire toutotou modulasyon egzak nan koule. Lè aksyonè konpwesyon nan resevwa yon siyal kontwòl (anjeneral 4-20mA), li konvèti presyon lè a nan mouvman lineyè, k ap deplase ploge nan valv pi pre oswa lwen chèz la valv. Mouvman sa a chanje gwosè pasaj koule a: louvri valv la ogmante koule, pandan y ap fèmen li diminye oswa sispann koule. Pawa a fliyò asire ke mwayen an korozivite pa vin an kontak ak pati yo metal, anpeche degradasyon ak kenbe entegrite poze sele sou tan.
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Pneumatic fliyò tiyo kontwòl aliyen yo lajman itilize nan pwosesis chimik, pwodiksyon pharmaceutique, ak endistri tretman dlo ize. Yo briye nan manyen asid fò, alkal, ajan oksidant, ak lòt medya agresif ki ta domaje tiyo konvansyonèl yo. Kit nan liy marinated asid, sistèm dòz chimik, oswa tuyaux dechè korozivite, tiyo sa yo delivre pèfòmans ki konsistan ak serye .
Avantaj kle nan valv sa a gen ladan rezistans siperyè korozyon, gras a nati a inaktif nan pawa a fliyò; kontwòl koule egzak, pèmèt pa aksyonè a konpwesyon ak pozisyon; ak lavi sèvis long menm nan anviwònman chimik piman bouk. Anplis de sa, materyèl la fliyò ofri friksyon ki ba ak pwopriyete ki pa baton, diminye risk pou yo obstrue ak fè valv la apwopriye pou medya ak solid oswa eleman gluan .
Nan sans, konpwesyon fliyò a aliyen valv kontwòl se yon avantaj kritik nan endistri ki gen rapò ak medya korozivite, bay tou de règleman koule egzat ak pwoteksyon dirab kont atak chimik, konsa asire sekirite a ak efikasite nan pwosesis endistriyèl.
July 12, 2025
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