O le PTFE-laina butterfly valve faʻaaogaina se PTFE-laina faʻapipiʻi pepe ipu ma se faʻamaufaʻailoga lapotopoto.O le valve e faigofie ona faʻaogaina, faʻamaufaʻailoga faʻamaufaʻailoga, ma se olaga umi;e mafai ona faʻaaogaina mo le vave tipi poʻo le fetuunaiga o le tafe.E talafeagai mo taimi e manaʻomia ai faʻamaufaʻailoga faʻalagolago ma faʻalelei lelei uiga.O le tino o le valve e faʻaaogaina se ituaiga vaeluaga, ma o le faʻamaufaʻailoga i pito uma e lua o le valve shaft o loʻo faʻatonutonuina e le faʻaogaina o le pito i luga o le va o le butterfly plate ma le valve seat plus fluorine rubber;ina ia mautinoa e le faʻafesoʻotaʻi e le vaʻa alatoto le ala vai i totonu o le potu.Fa'aaoga lautele i le felauaiga o vai ma kasa (e aofia ai le ausa) i ituaiga eseese o pipelines alamanuia, ma le faaaogaina o ala o faasalalauga corrosive ogaoga, e pei o le: sulfuric acid, hydrofluoric acid, phosphoric acid, chlorine, malosi alkali ma isi ala o faasalalauga maualuga.