Umehluko phakathi kwevalvu yebhabhathane elithambile nevalvu yebhabhathane eliqinile

I-valve yebhabhathane eqinile yokuvala

Ukuvalwa okuqinile kwe-butterfly valve kubhekisela ekutheni izinhlangothi zombili zokubopha zenziwe ngezinto zensimbi noma ezinye izinto eziqinile. Ukusebenza kokuvala kwalolu hlobo lwesivalo kubi, kodwa kunokumelana nokushisa okuphezulu, ukumelana nokuguguleka kanye nokusebenza okuhle kwemishini. Isibonelo: insimbi+insimbi; Insimbi+ithusi; Insimbi+i-graphite; Insimbi+insimbi ye-alloy. Insimbi lapha ingaba futhi insimbi ye-cast, insimbi ye-cast, insimbi ye-alloy noma i-alloy yokumboza nokufutha.

I-valve yebhabhathane yophawu oluthambile

Ukuvalwa okuthambile kwevalvu yebhabhathanekubhekisela ekutheni uhlangothi olulodwa lwepheya lokuvala lwenziwe ngezinto zensimbi, kanti olunye uhlangothi lwenziwe ngezinto ezingezona ezensimbi ezinwebekayo. Ukusebenza kokuvala kwalolu hlobo lokuvala kuhle, kodwa alumelani nokushisa okuphezulu, kulula ukukugqoka, futhi lusebenza kabi ngokwemishini, njenge: insimbi+irabha; Insimbi+PTFE, njll.

Isihlalo sokuvala esithambile senziwe ngezinto ezingezona ezensimbi ezinamandla athile, ubulukhuni kanye nokumelana nokushisa. Ngokusebenza kahle, singafinyelela ukuvuza okungenamkhawulo, kodwa impilo yaso yokusebenza kanye nokuzivumelanisa nezimo zokushisa kuphansi kakhulu. I-hard seal yenziwe ngensimbi, futhi ukusebenza kokuvala kuphansi kakhulu. Nakuba abanye abakhiqizi bethi ukuvuza okungenamkhawulo kungatholakala. I-soft seal ayikwazi ukuhlangabezana nezidingo zenqubo zezinto ezithile ezibolayo. I-hard seal ingaxazulula inkinga, futhi lezi zimpawu ezimbili zingahambisana. Ngokuphathelene nokusebenza kokuvala, ukuvala okuthambile kuhle kakhulu, kodwa manje ukusebenza kokuvala kokuvala okuqinile nakho kungahlangabezana nezidingo ezifanayo. Izinzuzo ze-soft seal ukusebenza okuhle kokuvala, kuyilapho izinkinga ziwukuguga okulula, ukuguguleka kanye nokuphila kwenkonzo okufushane. I-hard seal inokuphila isikhathi eside kwenkonzo, kodwa ukusebenza kwayo kokuvala kubi kakhulu kunokwe-soft seal.

Umehluko wesakhiwo ikakhulukazi ungokulandelayo:

1. Umehluko wesakhiwo

Amavalvu ebhabhathane athambile ophawuAma-valve e-butterfly aqinile kakhulu angohlobo olulodwa olungavamile, oluphindwe kabili kanye nohlobo oluphindwe kathathu.

2. Ukumelana nokushisa

I-soft seal isetshenziswa endaweni yokushisa evamile. I-hard seal ingasetshenziswa endaweni yokushisa ephansi, endaweni yokushisa evamile, endaweni yokushisa ephezulu nakwezinye izindawo.

3. Ingcindezi

I-soft seal ingcindezi ephansi – ingcindezi evamile, i-hard seal ingasetshenziswa nasezimweni zokusebenza ezifana nengcindezi ephakathi nendawo kanye nephezulu.

4. Ukusebenza kokuvala

Ukusebenza kokuvala kwevalvu yebhabhathane ethambile kanye nevalvu yebhabhathane eqinile e-eccentric kungcono. Ivalvu yebhabhathane e-eccentric e-eccentric e-eccentric ingakwazi ukugcina ukuvala okuhle ngaphansi kokucindezeleka okuphezulu kanye nendawo yokushisa ephezulu.

Ngenxa yezici ezingenhla,ivalvu yebhabhathane yokuvala ethambileifanele ukuvula nokuvala okunezindlela ezimbili kanye nokulungisa amapayipi okususa umoya nothuli, ukwelashwa kwamanzi, imboni yokukhanya, uphethiloli, imboni yamakhemikhali kanye neminye imboni. I-valve ye-butterfly yokuvala eqinile isetshenziselwa kakhulu ukushisa, ukuphakelwa kwegesi, igesi, uwoyela, i-asidi kanye nendawo enama-alkali.

Ngokusetshenziswa kabanzi kwe-butterfly valve, izici zayo zokufakwa okulula, ukulungiswa okulula kanye nesakhiwo esilula ziba sobala kakhulu.Amavalvu ebhabhathane athambile kagesi, amavalvu ebhabhathane athambile angenawo umoya, amavalvu ebhabhathane aqinile angenawo, njll. aseqala ukuthatha indawo yamavalvu esango likagesi, amavalvu embulunga, njll. ngezikhathi eziningi.