Indlela yokukhetha impahla yokuvala ngendlela efanele

Yiziphi ezinye zezinto ezibalulekile okufanele zicatshangelwe lapho ukhetha impahla yophawu efanele yohlelo lokusebenza?

Inani elikhulu nemibala efanelekayo

Ukutholakala kwezimpawu

Zonke izici ezinomthelela ohlelweni lokuvala: isb izinga lokushisa, uketshezi nomfutho

Lezi zonke izici ezibalulekile okufanele uzicabangele ohlelweni lwakho lokuvala uphawu. Uma zonke izici zaziwa, kuyoba lula ukukhetha impahla efanele.

Kodwa imfuneko ukuthi impahla kumele isikhathi eside. Ngakho into yokuqala okufanele icatshangelwe ukusebenza kobuchwepheshe. Ake siqale ngesici sokusebenza.

Ukuphila kwesistimu nezindleko kuyizinto ezibalulekile (I-TIanjin Tanggu Water-Seal Valve Co., Ltd) ukucabangela. Zonke izici zizothinta ukusebenza kohlelo lwakho lokusebenza. Kubalulekile ukucabangela izici zokuklama ngokusho kwesicelo. Lokhu kuhlanganisa izinto ezisetshenziswayo, izimo zehadiwe nezinqubo zokukhiqiza. Kukhona futhi izici zemvelo okufanele zicatshangelwe okuhlanganisa: ingcindezi, izinga lokushisa, isikhathi, ukuhlanganisa kanye nemidiya.

i-elastomer

Ama-elastomer adumile ngenxa yokunwebeka kwawo okuhle. Ayikho enye impahla enezinga elifanayo lokunwebeka.

Ezinye izinto ezifana ne-polyurethanes kanye ne-thermoplastics zimelana kakhulu nengcindezi kunama-elastomer.

Izinto zenjoloba zingasetshenziswa ezinhlobonhlobo zezinhlelo zokusebenza ezahlukene.

Izakhiwo ezibalulekile zemishini zihlanganisa

ukunwebeka

ubulukhuni

amandla aqinile

Ezinye izici ezibalulekile zihlanganisa

•Isethi yokucindezela

•ukumelana nokushisa

•izinga lokushisa eliphansi lokuvumelana nezimo

•ukuhambisana kwamakhemikhali

•Anti-ukuguga

•ukumelana nemihuzuko

Isici esibaluleke kakhulu ukunwebeka kwezinto zenjoloba. Ake sifunde okwengeziwe ngalokhu.

I-Elasticity ingumphumela we-vulcanization. Izinto ze-elastomeric, njengenjoloba eshisiwe, zizobuyela esimweni sazo sangempela uma zikhubazekile.

Izinto ezingakhiqizi, njengenjoloba engavuthisiwe, ngeke zibuyele esimweni sazo sangempela uma zikhubazekile. I-Vulcanization (njengei-valve ye-butterfly ephindwe kabili) inqubo yokuguqula irabha ibe i-elastomeric material.

Ukukhethwa kwama-elastomers kusekelwe ikakhulukazi ku:

•ububanzi bezinga lokushisa lokusebenza

•Ukumelana noketshezi namagesi

•Ukumelana nesimo sezulu, i-ozone kanye nemisebe ye-UV

Ukukhethwa kwama-elastomers kusekelwe ikakhulukazi ku:

•ububanzi bezinga lokushisa lokusebenza

•Ukumelana noketshezi namagesi

•Ukumelana nesimo sezulu, i-ozone kanye nemisebe ye-UV

Izici eziyisithupha okufanele zibhekwe lapho kukhethwa izinto ezingaphezulu zokuvala ama-valve

I-sealing surface iyindawo yokusebenza ebaluleke kakhului-valve, ikhwalithi yendawo yokuvala ithinta ngqo impilo yesevisi yei-valve, kanye nempahla yendawo yokubeka uphawu kuyisici esibalulekile sokuqinisekisa ikhwalithi yendawo yokubeka uphawu. Ngakho-ke, izici ezilandelayo kufanele zicatshangelwe lapho kukhethwa i-valve sealing surface material:

①Ukumelana nokugqwala. "Ukugqwala" kuyinqubo lapho ingaphezulu lendawo yokuvala lonakaliswa ngaphansi kwesenzo se-medium. Uma ingaphezulu lendawo yokuvala igqwalile, ukusebenza kokuvala akukwazi ukuqinisekiswa, ngakho-ke impahla yendawo yokuvala kufanele imelane nokubola. Ukumelana nokugqwala kwento ngokuyinhloko kuncike ekwakhekeni kwento kanye nokuzinza kwayo kwamakhemikhali.

②I-anti-abrasion. “Ukuklwebha” kubhekise emonakalweni odalwe ukuklwebhana kwento ngesikhathi sokunyakaza okuhlobene kwendawo yokuvala. Lolu hlobo lomonakalo nakanjani luzodala umonakalo endaweni evalekayo. Ngakho-ke, indawo yokuvala uphawu kufanele ibe nezindawo ezinhle zokulwa nokuklwebheka, ikakhulukazi kuma-valve esango. Ukumelana nokuklwebheka kwento ngokuvamile kunqunywa izici zangaphakathi zento.

③Ukumelana nokuguguleka. “Ukuguguleka” kuyinqubo yokucekela phansi indawo evalekayo lapho okuphakathi kugeleza endaweni yokuvala ngesivinini esikhulu. Lolu hlobo lomonakalo lusobala kakhulu kuma-throttle valves nama-valve okuphepha asetshenziswa emazingeni okushisa aphezulu kanye ne-high pressure media steam, futhi kunomthelela omkhulu ekulimaleni kokusebenza kokuvala. Ngakho-ke, ukumelana nokuguguleka kungenye yezidingo ezibalulekile zokuvala izinto ezingaphezulu.

④Kufanele ibe nobunzima obuthile, futhi ubulukhuni buzokwehla kakhulu ngaphansi kwezinga lokushisa elicacisiwe lokusebenza.

⑤I-coefficient yokwandisa yomugqa yendawo yokuvala kanye nempahla yomzimba kufanele ifane, ebaluleke kakhulu ekwakhekeni kwendandatho yokuvala, ukuze ugweme ukucindezeleka okwengeziwe kanye nokuxegiswa ekushiseni okuphezulu.

⑥Kusetshenziswa ngaphansi kwezimo zokushisa okuphezulu, kufanele kube ne-anti-oxidation eyanele, ukumelana nokukhathala okushisayo kanye nezindaba zomjikelezo wokushisa.

Ngaphansi kwezimo zamanje, kunzima ukuthola into engaphezulu yokuvala ehlangabezana ngokugcwele nezidingo ezingenhla. Singagxila kuphela ekuhlangabezaneni nezidingo zezici ezithile ngokuya ngezinhlobo zamavalvu ahlukene kanye nokusetshenziswa. Isibonelo, ama-valve asetshenziswa emithonjeni yesivinini esikhulu kufanele anake ngokukhethekile izidingo zokumelana nokuguguleka kwendawo yokuvala; futhi lapho okuphakathi kuqukethe ukungcola okuqinile, into engaphezulu yokuvala enobunzima obuphakeme kufanele ikhethwe.