1. Ukucindezela Okujwayelekile (PN)
Ukucindezela okujwayelekileivalvu yebhabhathaneiyinani elibhekisela elihlobene namandla okumelana nengcindezi yezingxenye zesistimu yamapayipi. Libhekisela ekwakhiweni kwengcindezi enikeziwe ehlobene namandla omshini wezingxenye zamapayipi.
Ingcindezi evamile ye-butterfly valve amandla okumelana nengcindezi yomkhiqizo (okulandelayo ama-valve) ekushiseni okuyisisekelo. Izinto ezahlukene zinamazinga okushisa ayisisekelo ahlukene namandla okucindezela.
Ingcindezi eqondile, emelelwa uphawu lwe-PN (MPa). I-PN iwukuhlonza inhlanganisela yezinhlamvu nezinombolo ezisetshenziselwa ukubhekisela ezihlobene nezakhiwo zemishini kanye nezici zobukhulu bezingxenye zesistimu yamapayipi.
Uma ingcindezi evamile ingu-1.0MPa, yibhale phansi njenge-PN10. Ngensimbi ecijile nethusi izinga lokushisa elibhekiselwe lingu-120°C: ngensimbi ingu-200°C kanti ngensimbi ehlanganisiwe ingu-250°C.
2. Ingcindezi yomsebenzi (Pt)
Ingcindezi yokusebenzaivalvu yebhabhathaneibhekisela ekucindezelweni okuphezulu okuchazwe ngokusekelwe ekushiseni okuphezulu kokusebenza kwezinga ngalinye lendawo yokuthutha ipayipi ukuze kusebenze ngokuphephile uhlelo lwepayipi. Kalula nje, ingcindezi yokusebenza ingcindezi ephezulu uhlelo olungayibekezelela ngesikhathi sokusebenza okuvamile.
3. Ingcindezi yomklamo (Pe)
Ukucindezela komklamo we-butterfly valve kubhekisela ekucindezelweni okuphezulu okusheshayo okukhishwa uhlelo lwamapayipi okucindezela odongeni lwangaphakathi lwe-valve. Ukucindezela komklamo kanye nokushisa komklamo okuhambisanayo kusetshenziswa njengesimo somthwalo womklamo, futhi inani lawo akufanele libe ngaphansi kwengcindezi yokusebenza. Ngokuvamile, ingcindezi ephezulu kakhulu uhlelo olungayithwala ikhethwa ngesikhathi sokubala komklamo njengokucindezela komklamo.
4. Ingcindezi yokuhlola (PS)
Kuma-valve afakiwe, ingcindezi yokuhlola ye-butterfly valve ibhekisela ekucindezelweni okumele i-valve ifinyelele kukho lapho kwenziwa izivivinyo zamandla okucindezela kanye nokuqina komoya.
5. Ubudlelwano phakathi kwalezi zincazelo ezine
Ukucindezela okujwayelekile kubhekisela emandleni okucindezela ekushiseni okuyisisekelo, kodwa ezimweni eziningi, akusebenzi ekushiseni okuyisisekelo. Njengoba izinga lokushisa lishintsha, amandla okucindezela e-valve nawo ayashintsha.
Kumkhiqizo onomfutho othile ojwayelekile, ingcindezi yokusebenza ongayimelana nayo inqunywa izinga lokushisa lokusebenza le-medium.
Ingcindezi ejwayelekile kanye nengcindezi yokusebenza evumelekile yomkhiqizo ofanayo izohluka emazingeni okushisa ahlukene okusebenza. Ngokombono wokuphepha, ingcindezi yokuhlola kumele ibe nkulu kunengcindezi ejwayelekile.
Kobunjiniyela, ingcindezi yokuhlola > ingcindezi evamile > ingcindezi yokuklama > ingcindezi yokusebenza.
Ngayinyeivalvu kufaka phakathiivalvu yebhabhathane, i-valve yesango kanye ne-valve yokuhlola evela ku-valve ye-ZFA kumele kuhlolwe ingcindezi ngaphambi kokuthunyelwa, futhi ingcindezi yokuhlola inkulu noma ilingana nendinganiso yokuhlola. Ngokuvamile, ingcindezi yokuhlola yomzimba we-valve iphindwe ka-1.5 kunengcindezi evamile, kanti uphawu luphindwe ka-1.1 kunengcindezi evamile (ubude bokuhlolwa abukho ngaphansi kwemizuzu emi-5).