
Valve internals suna nufin mahimman abubuwan da ke cikin jikin bawul wanda ke sarrafa kwarara, alkibla, da matsa lamba na ruwa (ruwa ko gas). Yayin da jikin bawul ɗin ya ƙunshi matsa lamba, masu ciki ne ke yin aikin mahimmanci na hatimi, daidaitawa, da kuma rufe magudanar ruwa. Ayyukan su da dorewa sune mafi mahimmanci ga duk amincin tsarin.
An tsara waɗannan abubuwan galibi azaman sassan da za'a iya maye gurbinsu, suna ba da izinin kiyayewa da gyarawa ba tare da maye gurbin duka bawul ɗin ba.
Takamaiman abubuwan da aka gyara sun bambanta ta nau'in bawul (misali, globe, kofa, ball, duba), amma maɓalli na ciki galibi sun haɗa da:
Gyara: Wannan kalma ce ta gama gari don saitin abubuwan da suka zo cikin hulɗa kai tsaye tare da ruwan da ke gudana da sarrafa shi. ce wanda ke samar da hatimi tare da memba na rufewa (misali, toshe, ball, kofa). Yana da mahimmanci don cimma matsatsun rufewa.
"Trim" yawanci ya haɗa da:
Wurin zama: Memba na surfaClosure na tsaye (Disc, Plug, Ball, Gate): Abun motsi wanda ke matsawa gaba ko nesa da wurin zama don tsayawa ko ba da izinin kwarara.
Stem: Shaft ɗin da ke haɗa mai kunnawa (hannun hannu ko tsarin sarrafa kansa) zuwa memba na rufewa, yana watsa ƙarfi don buɗewa ko rufe bawul.
Cage: Sashe ne da ke kewaye da memba na rufewa a wasu bawuloli masu sarrafawa. Yana jagorantar filogi, yana ba da kwanciyar hankali, kuma tashar jiragen ruwa ko ramukansa suna taimakawa sarrafa halayen kwarara da rage cavitation da hayaniya.
Seals & Gasket: Waɗannan sun haɗa da zoben O-zoben, fakitin gland, da gaskets waɗanda ke hana yayyowa tare da kara (hatimin tushe) da tsakanin jikin bawul da bonnet.
Valve internals suna aiki a cikin mahalli masu matuƙar buƙata, suna fuskantar:
Zazzagewa: Yana haifar da babban sauri ko ruwa mai ɗauke da ƙwayar cuta.
Lalacewa: Daga kafofin watsa labarai masu tsaurin ra'ayi.
Cavitation: samuwar tururi da rugujewar kumfa, yana haifar da rami mai zurfi.
Babban-Matsi/Zazzabi: Yana kaiwa zuwa galling (lalacewar manne) da nakasa.
Don magance waɗannan batutuwa, ana yin amfani da bawul na ciki galibi daga ko kiyaye su ta kayan haɓakawa, tare da tungsten carbide shine babban zaɓi don mafi tsananin ayyuka.
Teburin mai zuwa yana taƙaita abubuwan gama gari na bawul, ƙalubalen su, da mafita na kayan abu:
| Bangaren | Aiki | Hanyoyin Sawa na gama gari | Abubuwan Magance Na Musamman |
| Zama | Yana ba da wurin rufewa don rufewa. | Zazzagewa, Cavitation, Galling, Lalata. | Tungsten Carbide, Stellite (Cobalt-Chrome), 316SS, Alloy 6, Ceramics. |
| Membobin Rufe (Toshe/Disc) | Yana motsawa don buɗewa/rufe hanyar kwarara. | Zazzagewa, Cavitation, Galling, Lalata. | Tungsten Carbide, Stellite, 316SS, Karfe masu tauri. |
| Kara | Yana isar da motsi daga actuator zuwa memba na rufewa. | Abrasion, Gajiya, Lalata. | 17-4PH Bakin Karfe, Nitrided Karfe, Lalacewa-Jure Alloys. |
| Cage | Yana jagorantar filogi kuma yana sarrafa halayen kwarara. | Tsananin yazawa, Cavitation, Surutu/Vibration. | Tungsten Carbide, Stellite, 316SS, Duplex Bakin Karfe. |
| Seals & Gasket | Yana hana zubewar waje da na ciki. | Extrusion, Sinadari Lalacewa, Zafi Tsufa. | PTFE (Teflon), Grafoil, Elastomers (Viton, EPDM). |
A cikin mahimman aikace-aikacen da aka samu a cikin mai & gas, samar da wutar lantarki, da masana'antar sarrafa sinadarai, tungsten carbide An kayyade don abubuwan datsa saboda:
Juriya na Yazara Na Musamman: Don jure yashi da sauran abubuwa masu wuya a cikin magudanar ruwa.
Fitaccen Juriya na Cavitation: Taurinsa yana hana asarar kayan abu daga kumfa tururi.
Ƙarfin Ƙarfin Ƙarfi: Don tsayayya da nakasawa a ƙarƙashin babban matsin lamba.
Kyakkyawan Juriya na Galling: Lokacin da aka haɗa su tare da kayan aiki masu dacewa, yana rage haɗarin kamawa.
A takaice, Valve Internals sune zuciyar bawul. Zaɓin su, musamman zaɓi na kayan da ba su da ƙarfi kamar tungsten carbide don datsa sassa, yanke shawara ne mai mahimmancin injiniya wanda ke ƙayyade aikin bawul ɗin kai tsaye, rayuwar sabis, da amincin tsarin gabaɗaya a cikin ƙalubalen yanayin aiki.