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Zinthu zisanu ndi ziwiri za valavu ya mafakitale (1)
1. Mphamvu ya valavu ya mafakitale: Mphamvu ya valavu imatanthauza mphamvu ya valavu yopirira kupsinjika kwa cholumikizira. Vavu ndi chinthu chamakina chomwe chimanyamula kupsinjika kwamkati, kotero iyenera kukhala ndi mphamvu zokwanira komanso kulimba kuti iwonetsetse kuti...Werengani zambiri -
Kodi mitundu yosiyanasiyana ya ma valve a mpira ndi iti?
Popeza valavu yogwiritsidwa ntchito kwambiri, valavu ya mpira ndi mtundu wa valavu wodziwika kwambiri. Mitundu yosiyanasiyana imakwaniritsa ntchito ya wogwiritsa ntchito nthawi zosiyanasiyana, kutentha kosiyanasiyana komanso zofunikira zosiyanasiyana pakuchita kwenikweni. Zotsatirazi zikuwonetsa munthu...Werengani zambiri -
Momwe mungasankhire valavu yoyenera ya globe
Vavu yoyimitsa ndi valavu yotchinga, yomwe imagwira ntchito kwambiri podula payipi. Vavu yozungulira ndiyo valavu yomwe imagwiritsidwa ntchito kwambiri, ndipo ndiyonso njira yoyenera kwambiri yolumikizira. Chifukwa ili ndi magwiridwe antchito abwino osinthira, ndipo poyerekeza ndi mitundu ina ya mavavu, imagawa...Werengani zambiri -
Kodi mungatani kuti muwonjezere moyo wa ma valve a gulugufe?
Chifukwa cha kapangidwe kake kosavuta, kusavuta kuyiyika, kulemera kwake kochepa, komanso kutsegula ndi kutseka mwachangu, ma valve a gulugufe amagwiritsidwa ntchito kwambiri m'mafakitale ndi m'mapayipi apakati komanso otsika mphamvu. Ngati valavu yogwiritsidwa ntchito kwambiri yotereyi ingathe kutalikitsa nthawi yake yogwira ntchito, imapanga phindu lalikulu...Werengani zambiri -
Kukula kwa ntchito ndi mawonekedwe a valavu ya wedge ya dziko lonse
Valavu ya chipata cha dziko lonse yomwe imagwiritsidwa ntchito kwambiri ndi valavu ya chipata cha wedge. Kapangidwe kake ndi kakuti malo awiri otsekera pachipata cha wedge ndi malo otsekera a mizere iwiri yoyendera pa thupi la valavu amapanga awiri otsekera kuti akwaniritse zotsatira zotsekera. Kapangidwe kake ndi kosavuta...Werengani zambiri -
Kusiyana pakati pa valavu ya globe ndi valavu ya chipata ndi momwe amagwiritsidwira ntchito
Ma valve a chipata ndi ma valve a globe ndi ma valve omwe amagwiritsidwa ntchito kwambiri. Posankha valavu ya chipata kapena valavu ya globe, zimakhala zovuta kwa ogwiritsa ntchito ambiri kupanga chigamulo cholondola. Ndiye kusiyana kotani pakati pa valavu ya globe ndi valavu ya chipata, ndipo mungasankhe bwanji pogwiritsira ntchito kwenikweni? Kawirikawiri...Werengani zambiri -
Njira yokhazikitsira ma valve a mpira
Ma valve angapo ofala omwe amagwiritsidwa ntchito m'mapaipi amafakitale, ma valve a mpira ali ndi ntchito zambiri, kaya ndi madzi, mafuta, gasi kapena mapaipi wamba kapena mikhalidwe yovuta yogwirira ntchito yokhala ndi tinthu tolimba kwambiri, kaya ndi kutentha kochepa, kutentha kwambiri, kapena malo owononga, inu Y...Werengani zambiri -
Kodi pali kusiyana kotani pakati pa valavu yofewa yotseka ndi valavu yotseka yolimba?
Malinga ndi zinthu zotsekera pamwamba, mavavu a chipata amatha kugawidwa m'mitundu iwiri: chisindikizo cholimba ndi chisindikizo chofewa. Kodi pali kusiyana kotani pakati pa valavu yofewa yotsekera ndi valavu yolimba yotsekera: Vavu yolimba ya chipata: Zipangizo zotsekera pamwamba zonse ziwiri zotsekera ndi zinthu zachitsulo, zomwe zimatchedwa "h...Werengani zambiri -
Chifukwa chiyani valavu ya globe iyenera kupangidwa ngati malo olowera otsika komanso malo otulutsira ambiri
N’chifukwa chiyani valavu ya globe iyenera kupangidwa ngati valavu ya globe yolowera pang’ono, yotulutsira mpweya wambiri komanso ya mainchesi ang’onoang’ono? Pakupanga ndi kukhazikitsa, valavu yolowera pang’ono ndi yotulutsira mpweya wambiri nthawi zambiri imagwiritsidwa ntchito, kutanthauza kuti, valavu ya globe imayenda kuchokera pansi pa valavu yotulutsira mpweya kupita pamwamba pa valavu yotulutsira mpweya. Vavu ya globe yaing’ono...Werengani zambiri -
Momwe mungasankhire valavu ya gulugufe yokhala ndi fluorine
Valavu ya gulugufe yokhala ndi fluorine ndi mtundu wa valavu yolumikizira yomwe imagwiritsidwa ntchito kwambiri mu asidi ndi alkali ndi zinthu zina zowononga. Yagwiritsidwa ntchito kwambiri mu mafuta, mankhwala, mankhwala, zitsulo, magetsi ndi mafakitale ena. Chifukwa cha zovuta za kapangidwe kake komanso...Werengani zambiri -
Ndi mikhalidwe yogwirira ntchito ndi zipangizo ziti zomwe zingagwiritsidwe ntchito pa ma valve amagetsi a gulugufe
Pali mitundu yambiri ya ma valve a gulugufe, kuphatikizapo kudula mwachangu komanso kusintha kosalekeza. Amagwiritsidwa ntchito makamaka pa mapaipi akuluakulu okhala ndi mphamvu yochepa yamadzimadzi ndi gasi. Ndi oyenera nthawi zina pomwe kutayika kwa mphamvu sikuli kwakukulu, kusintha kwa kayendedwe ka madzi kumafunika, komanso kutsegula ndi kutseka...Werengani zambiri -
Kapangidwe ndi mavuto ofala a valavu ya gulugufe
Pakadali pano, valavu ya gulugufe ndi gawo lomwe limagwiritsidwa ntchito poyendetsa ndi kuyendetsa kayendedwe ka mapaipi. Lakhala likugwiritsidwa ntchito kwambiri m'magawo ambiri monga mafuta, makampani opanga mankhwala, zitsulo, magetsi amadzi ndi zina zotero. Mu ukadaulo wodziwika bwino wa valavu ya gulugufe, mawonekedwe ake otsekera nthawi zambiri amagwiritsa ntchito...Werengani zambiri
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