I-valve ye-butterfly ehlezi ngerabha ene-EPDM Sealing: Ukubuka Konke Okuphelele

**Amavalvu ebhabhathane ahlala erabha anezimbozo ze-EPDM: umbono ophelele**

Amavalvu ebhabhathaneziyizingxenye ezibalulekile ezisetshenziswa ezimbonini ezahlukahlukene, zihlinzeka ngokulawula ukugeleza okuphumelelayo emapayipini. Phakathi kwezinhlobo ezahlukene zeamavalvu ebhabhathane, amavalvu ebhabhathane ahlala enjoloba avelele ngenxa yomklamo wawo oyingqayizivele kanye nokusebenza kwawo. Enye yentuthuko ebaluleke kakhulu kulesi sigaba ukwamukelwa kwezivalo ze-EPDM (ethylene propylene diene monomer), okuthuthukisa ukusebenza nokuqina kwevalvu.

Izivalo ze-EPDM zaziwa ngokumelana kwazo okuhle kakhulu nokushisa, i-ozone kanye nesimo sezulu, okwenza zibe zilungele ukusetshenziswa okudinga ukuvalwa okuthembekile ezimweni ezinzima. Uma zihlanganiswe kuma-valve e-butterfly ahlala enjoloba, izivalo ze-EPDM zivala kahle, zinciphisa ingozi yokuvuza futhi ziqinisekise ukulawulwa kokugeleza okuhle. Lokhu kubaluleke kakhulu ezimbonini ezifana nokwelashwa kwamanzi, ukucubungula amakhemikhali kanye nezinhlelo ze-HVAC, lapho ukugcina ubuqotho besistimu kubaluleke kakhulu.

Amavalvu ebhabhathane ahleli ngerabhangezimpawu ze-EPDM zinikeza izinzuzo eziningana. Okokuqala, izinto ze-EPDM zingamelana nobubanzi bokushisa, ngokuvamile -40°C kuya ku-120°C, okwenza zifaneleke kokubili ukusetshenziswa okushisayo nokubandayo. Okwesibili, ukuguquguquka kwesihlalo serabha kuvumela ukusebenza okubushelelezi, kunciphisa i-torque edingekayo ukuvula nokuvala i-valve. Lesi sici asigcini nje ngokuthuthukisa ulwazi lomsebenzisi, kodwa futhi sandisa impilo yokuhlanganiswa kwe-valve.

Ngaphezu kwalokho, ukwakheka okulula kwevalvu yebhabhathane, kanye nesivalo sayo se-EPDM esiqinile, kuvumela ukufakwa nokugcinwa okulula. Abasebenzisi bangashintsha isivalo ngokushesha ngaphandle kwesidingo samathuluzi akhethekile, okuqinisekisa isikhathi esincane sokungasebenzi.

Ekuphetheni, amavalvu ebhabhathane ahlala enjoloba anezimbobo ze-EPDM amelela ubuhlakani obubalulekile kubuchwepheshe bokulawula ukugeleza. Ukuqina kwawo, ukumelana nezici zemvelo kanye nokulula kokugcinwa kwawo kuwenza abe ukukhetha okuphezulu kwezicelo eziningi zezimboni. Njengoba imboni iqhubeka nokukhula, isidingo sezixazululo zamavalvu ezithembekile nezisebenzayo ngokungangabazeki sizokhula, ngaleyo ndlela kuhlanganiswe indima yamavalvu ebhabhathane avaliwe yi-EPDM kubunjiniyela besimanje.