Xa kuziwa kwiinkqubo zokulawula ulwelo lwamashishini,iivalve zebholaziphakathi kwawona macandelo athembekileyo kwaye asebenza ngeendlela ezininzi. Ukukwazi kwabo ukuphatha uxinzelelo oluphezulu kunye nobushushu obuphezulu bezicelo bubenza babaluleke kakhulu kuwo wonke amashishini. Eli nqaku liphonononga iukuhlelwa kweevalvu zebhola ezinkulu, iintlobo zabo, kunye neengqwalasela eziphambili xa kufunwa umntu omthembileyoumvelisi wevalvu yebholaokanyeumthengisi eTshayina.
Yintoni iValve yeBhola
A ivalve yebholayivalve yekota-turn esebenzisa ibhola enomngxuma, enemingxuma, kunye nepivoting ukulawula ukuhamba kolwelo. Xa ivalve ivuliwe, umngxuma webhola uhambelana nombhobho, ukuvumela ulwelo ukuba ludlule. Xa ivaliwe, ibhola ijikeleza i-90 degrees ukuvala ukuhamba. Uyilo lwayo olulula luqinisekisa ukuqina, ukuvuza okuncinci, kunye nokusebenza ngokulula.
Iivalvu zebhola ezinobungakanani obukhulu, ngokuqhelekileyo zichazwa njengezo ezinobubanzi obuyi-intshi ezingama-40 (DN1000) okanye ezinkulu, zenzelwe usetyenziso olunzima kwi-oyile negesi, unyango lwamanzi, ukusetyenzwa kweekhemikhali, kunye nokuveliswa kwamandla.
Ivalve yeBhola: Amacandelo aphambili
Ukuqonda i-anatomy ye-aivalve yebholaKubalulekile ukukhetha uhlobo olufanelekileyo kwiimfuno zakho:
1. Umzimba: Izindlu zangaphakathi; izinto eziqhelekileyo zibandakanya insimbi engenasici, intsimbi etyhidiweyo, kunye nentsimbi ye-carbon.
2. Ibhola: Ingqukuva ejikelezayo enebhore elawula ukuhamba.
3. Izihlalo: Yenza itywina phakathi kwebhola kunye nomzimba.
4. Isiqu: Iqhagamshela i-actuator kwibhola ukuze ijikelezwe.
5. I-Actuator: I-lever manual, gear, okanye inkqubo ezenzekelayo (umbane / i-pneumatic).
Kubaiivalve ezinkulu zebhola, ulwakhiwo olomeleleyo kunye neendlela zokutywinwa eziqiniweyo zibalulekile ukumelana noxinzelelo olugqithisileyo kunye namazinga okuhamba.
Iintlobo zeValve yeBhola: Ulwahlulo oluSekwe kuYilo
Iivalve zebhola zihlelwa ngokweendidi ezininzi ngokusekelwe kuyilo kunye nokusebenza kwazo:
Ivalve yeBhola edadayo
- Ibhola ixhonywe zizihlalo, ilungele ubungakanani obuncinci.
- Amaxabiso aphantsi kodwa ayifanelekanga kangakoiivalve ezinkulu zebholangenxa yeemfuno eziphezulu zetorque.
I-Trunnion Mounted Ball Valve
- Ibhola igxininiswe yi-trunnion (pivot), ukunciphisa itorque yokusebenza.
- Ekhethwayoiivalve ezinkulu zebholakwimibhobho yeoli kunye negesi yoxinzelelo oluphezulu.
Ibhore Eligcweleyo vs. UkuNcitshiswa Kwebhore
- Ukuzala okupheleleyo: Idayamitha yebhola ihambelana nombhobho, ukunciphisa ukuhla koxinzelelo.
- Ukuncipha kwebhore: Ukuvulwa kwebhola encinci, ifanelekile kwiinkqubo ze-space-constraining.
Multi-Port Ball Valve
- Ifaka amazibuko amaninzi okuhambisa ukuhamba, asetyenziswa kwiinkqubo zokuhambisa ezintsonkothileyo.
IValve yeBhola egcwele iCavity
-Yenzelwe ukunqanda ukungena kwamanzi kumqolo webhola, kubaluleke kakhulu kwizicelo zococeko okanye ezonakalisayo.
Kutheni Khetha iValve yeBhola yobungakanani obukhulu
Iivalvu zebhola ezinobungakanani obukhuluzibalulekile ku:
- Iinkqubo zokuhamba okuphezulu: Ukulawula ngokufanelekileyo umthamo omkhulu wolwelo okanye iigesi.
- Ukuqina: Yakhelwe ukuphatha imidiya ebolileyo okanye eyonakalisayo.
- Ulawulo oluchanekileyo: Qinisekisa ukuvalwa okuthembekileyo kwizicelo ezibalulekileyo.
Ukukhetha uMvelisi weValve yeBhola ethembekileyo eBubungakanani obukhulu
Xa kufunwaiivalve ezinkulu zebhola, ukusebenzisana nomntu owaziwayomveliso yevalve yebholaokanyeumthengisi eTshayinainikeza iingenelo ezifana nokhuphiswanoixabiso, ukwenza ngokwezifiso, kunye nokuthobela imigangatho yamazwe ngamazwe (API, ANSI, ISO). Imiba ephambili ekufuneka iqwalaselwe:
1. Umgangatho weMaterial: Qinisekisa ukuba iivalvu zenziwe ngealloyi ekwaziyo ukumelana nomhlwa.
2. Iziqinisekiso: Khangela i-ISO 9001, i-API 6D, okanye amanqaku e-CE.
3. Ukwenza ngokwezifiso: Khetha abavelisi ababonelela ngezisombululo ezilungiselelwe iimfuno zokusebenza ezizodwa.
4. Emva koThengiso lweNkxaso: Iwaranti, uncedo lobugcisa, kunye nokufumaneka kweendawo ezisecaleni.
I-China ihlala iliziko lehlabathi jikeleleukwenziwa kwevalve yebhola, kunye nabathengisi abadibanisa iteknoloji ephezulu kunye nokusebenza kakuhle kweendleko.
Ukuqukumbela
Ukusukaiivalve zebhola ezidadayokumthwalo onzimaUyilo oluxhonywe kwi-trunnion, ukuqonda ulwahlulo lweiivalve ezinkulu zebholaiqinisekisa ukhetho olulolona lufanelekileyo kwizicelo zamashishini. Nokuba ubeka phambiliixabiso, ukuqina, okanye ukuchaneka, ukusebenzisana nomntu omthembileyoUmthengisi wevalvu yebhola yaseTshayinaiqinisekisa ukufikelela kwizisombululo eziphezulu zokusebenza.
Kumashishini afuna ulawulo lokuhamba okuthembekileyo, utyalo-mali kumgangathoiivalve ezinkulu zebholaukusuka kwisiqinisekisoumenzisisigqibo esicwangcisiweyo esonyusa impumelelo yokusebenza kunye nokhuseleko.
Ixesha lokuposa: Feb-20-2025