PTFE-lined nru ububa valvụ nakweere efere nru ububa nwere PTFE nwere elu akara okirikiri.valvụ ahụ dị mfe ịrụ ọrụ, na-arụ ọrụ mkpuchi siri ike, yana ogologo ndụ ọrụ;enwere ike iji ya mee ihe maka ịkpụpụ ngwa ngwa ma ọ bụ nhazigharị.Kwesịrị ekwesị maka oge na-achọ akara a pụrụ ịdabere na ya na njirimara mgbanwe dị mma.The valvụ ahụ na-anabata ụdị nkewa, na akara na nsọtụ abụọ nke valvụ ahụ na-achịkwa ebe a na-atụgharị n'elu n'etiti efere nru ububa na oche valve gbakwunyere roba fluorine;iji jide n'aka na valvụ valvụ adịghị akpọtụrụ mmiri mmiri dị n'ime ụlọ ahụ.Ọdabara nke ukwuu na njem nke mmiri mmiri na gas (gụnyere uzuoku) na ụdị dị iche iche nke ulo oru pipeline, na ojiji nke siri ike corrosive media, dị ka: sulfuric acid, hydrofluoric acid, phosphoric acid, chlorine, ike alkali na ndị ọzọ ukwuu corrosive media .
