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Kukhazikitsa ndi kusamalira ma valve a globe
Valavu yozungulira ikugwira ntchito, mitundu yonse ya zida za vavu iyenera kukhala yokwanira komanso yokhazikika. Mabotolo pa flange ndi bulaketi ndi ofunikira kwambiri. Ulusi uyenera kukhala wokhazikika ndipo palibe kumasuka komwe kumaloledwa. Kumangirira nati pa gudumu lamanja, ngati yapezeka yomasuka kuyenera kumangitsidwa pakapita nthawi, kuti cholumikiziracho chisavale kapena...Werengani zambiri -
Ubwino wa valavu ya Globe
(1) kapangidwe ka valavu yozungulira ndi kosavuta kuposa valavu ya chipata, ndipo kupanga ndi kukonza ndikosavuta. (2) pamwamba pa chotsekera sikophweka kuvala ndi kukanda, kutseka bwino, kutsegula ndi kutseka pakati pa diski ya valavu ndi pamwamba pa chotsekera thupi la valavu popanda kutsetsereka, ...Werengani zambiri -
Kuyerekeza ubwino ndi kuipa kwa ma valve amagetsi ndi ma valve ampweya, kusiyana pakati pa ma valve amagetsi ndi ma valve ampweya
Valavu yamagetsi Ma actuator amagetsi amagwiritsidwa ntchito makamaka m'mafakitale amagetsi kapena m'mafakitale amagetsi a nyukiliya, chifukwa makina amadzi othamanga kwambiri amafunika njira yosalala, yokhazikika komanso yocheperako. Ubwino waukulu wa ma actuator amagetsi ndi kukhazikika kwakukulu komanso kusuntha kosalekeza komwe ogwiritsa ntchito angagwiritse ntchito. Mtengo wapamwamba kwambiri...Werengani zambiri -
Makhalidwe a ma valve opangira
1. Kupangira: Ndi njira yopangira yomwe imagwiritsa ntchito makina opangira kuti agwiritse ntchito mphamvu pa zitsulo zopanda kanthu kuti apange kusintha kwa pulasitiki kuti apange ma forging okhala ndi mawonekedwe enaake, mawonekedwe ndi kukula kwina. 2. Chimodzi mwa zigawo ziwiri zazikulu za forging. Kudzera mu forging, as-cast...Werengani zambiri -
Makhalidwe a ma valve oponyera
Ma valve oponyera ndi ma valve opangidwa ndi kuponyera. Kawirikawiri, kuchuluka kwa kupanikizika kwa ma valve oponyedwa kumakhala kochepa (monga PN16, PN25, PN40, koma palinso ena amphamvu kwambiri, omwe amatha kufika 1500Lb, 2500Lb), ndipo ma caliber awo ambiri ali pamwamba pa DN50. Ma valve opangidwa ndi ...Werengani zambiri -
Valavu Yaikulu Ya Chipata Chokonzeka Kutumizidwa
Ma valve akuluakulu a chipata chachitsulo chopangidwa ndi ...Werengani zambiri -
Kukhazikitsa bwino ma valve gaskets
Kuti muwonetsetse kuti makina opayikira ma valve atsekedwa, kuwonjezera pa kusankha zipangizo zoyenera zopayikira, ndikofunikiranso kuyika gasket motere: Gasket iyenera kuyikidwa pakati pa flange, zomwe ndizofunikira kwambiri pa mapewa; kuti zitsimikizire ...Werengani zambiri -
Magwiridwe antchito ndi makhalidwe a valavu yowunikira yoletsa kuyenda kwa madzi
Choyikidwa pamalo olowera pa mpope wamadzi, valavu yowunikira kayendedwe ka madzi ya LH45-16 imagwiritsidwa ntchito makamaka mu dongosolo lomwe mapampu angapo amalumikizidwa motsatizana ndipo chiwerengero cha mayunitsi chimasinthidwa kuti chiwongolere kayendedwe ka madzi. Chimathandiza kuchepetsa kayendedwe ka madzi a mpope ndikukhazikitsa mutu. Cho...Werengani zambiri -
Njira yopangira zatsopano mumakampani opanga ma valve, kuwongolera ma valve ophatikizidwa
Ndi liwiro lachangu komanso lachangu la kusintha kwamakono komanso mafakitale m'dziko lathu, makampani opanga ma valve akupitilizabe kukula, ndipo minda yogwiritsira ntchito ikukula kwambiri. Pakupanga mafakitale ambiri, ma valve ndi zida zofunika kwambiri zamafakitale. Zotentha ...Werengani zambiri -
ZINTHU ZISANU NDI ZIWIRI ZA VALAVU YA MAFIKISALA (2)
4. Mphamvu yokwezera ndi nthawi yokwezera: Mphamvu yotsegulira ndi kutseka ndi mphamvu yotsegulira ndi kutseka imatanthauza mphamvu kapena nthawi yomwe iyenera kugwiritsidwa ntchito potsegula kapena kutseka valavu. Mukatseka valavu, ndikofunikira kupanga mphamvu inayake yotsekera pakati pa kutsegula ndi clo...Werengani zambiri -
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
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