Izinto ezibalulekileyo zevalvu yebhola ngumzimba wevalvu, isihlalo sevalvu, i-sphere, isiqu sevalvu, kunye nesiphatho. Ivalvu yebhola ine-sphere njengecandelo layo lokuvala (okanye ezinye izixhobo zokuqhuba). Ijikeleza i-axis yevalvu yebhola kwaye iqhutywa yi-sphere yevalvu. Isetyenziswa kakhulu kwimibhobho ukusika, ukusasaza, kunye nokutshintsha indlela yokuhamba kwesixhobo. Abasebenzisi kufuneka bakhethe iintlobo ezahlukeneyo zeevalvu zebhola ngokusekelwe kwiimfuno zabo ngenxa yoluhlu olukhulu lweevalvu zebhola, kubandakanya imigaqo eyahlukeneyo yokusebenza, imidiya, kunye neendawo zokusetyenziswa. Iivalvu zebhola zahlulwe ngokwamaqela ahlukeneyo ngokusekelwe kwiimeko zokusebenza zokwenyani kwindawo ethile.

Ngokwesakhiwo, ingahlulwa ibe:

1. Ivalvu yebhola edadayo

Ibhola edadayo yevalvu yebhola. Phantsi kwempembelelo yoxinzelelo oluphakathi, ibhola inokwenza ukufuduka okuthile kwaye ityhale ngokuqinileyo kumphezulu wokutywina wesiphelo sendawo yokukhupha ukuze kugcinwe isitywino sesiphelo sendawo yokukhupha.

Nangona ivalvu yebhola edadayo inoyilo olulula kunye nobuchule bokuvala obusebenzayo, kubalulekile ukuqwalasela ukuba izinto zeringi yokutywina zinokumelana nomthwalo osebenzayo weringi yebhola kuba umthwalo weringi yokusebenza ebholeni udluliselwa ngokupheleleyo kwiringi yokutywina yokuphuma. Iivalvu zebhola ezinoxinzelelo oluphakathi noluphantsi zihlala zisebenzisa olu lwakhiwo.

2. Ivalvu yebhola esisigxina

Emva kokuba icinezelwe, ibhola yevalvu yebhola iyaqina kwaye ayishukumi. Izihlalo zevalvu ezidadayo zifakwe kunye neevalvu zebhola ezizinzileyo kunye neebhola. Isihlalo sevalvu siyashukuma xa siphantsi koxinzelelo oluphakathi, sicinezela iringi yokutywina ngokuqinileyo kwibhola ukuqinisekisa ukutywinwa. Ngokwesiqhelo, iibheringi zebhola zifakelwa kwimijikelo ephezulu nesezantsi, kwaye i-torque yazo encinci yokusebenza izenza zilungele iivalvu ezinkulu ezinoxinzelelo oluphezulu.

Ivalvu yebhola evalwe ngeoyile, efanelekileyo ngakumbi kwiivalvu zebhola ezinoxinzelelo oluphezulu, ivele kwiminyaka yakutshanje ukuze inciphise i-torque yokusebenza kwevalvu yebhola kwaye yonyuse ukufumaneka kwe-seal. Ayifaki nje kuphela i-oyile yokuthambisa ekhethekileyo phakathi kweendawo zokutywina ukuze yenze ifilimu yeoyile, nto leyo ephucula ukusebenza kwe-seal kodwa ikwanciphisa i-torque yokusebenza.

3. Ivalvu yebhola ethambileyo

Ibhola elastiki kwivalvu yebhola. Ibhola yesihlalo sevalvu kunye neringi yokutywina zombini zenziwe ngentsimbi, ngoko ke kufuneka uxinzelelo oluphezulu lokutywina. Ngokwengcinezelo yesixhobo, kufuneka kusetyenziswe amandla angaphandle ukutywina isixhobo kuba uxinzelelo lwesixhobo alwanelanga ukwenza njalo. Le valve inokusingatha izinto ezinobushushu obuphezulu kunye noxinzelelo.

Ngokwandisa umngxuma othambileyo ekupheleni kodonga lwangaphakathi lwesphere, isphere ethambileyo ifumana iipropati zayo ezithambileyo. Intloko yesiqu sevalvu kufuneka isetyenziswe ukwandisa ibhola ngelixa uvala umjelo kwaye ucinezele isihlalo sevalvu ukuze uvale. Khulula intloko ethambileyo kuqala, uze ujike ibhola ngelixa ubuyisela iprototype yokuqala ukuze kubekho isithuba esincinci kunye nomphezulu wokutywina ukunciphisa ukungqubana kunye ne-torque yokusebenza phakathi kwebhola kunye nesihlalo sevalvu.