Mabulogu
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Chiyambi cha valavu yoyezera
Valavu yoyesera ndi valavu yomwe zigawo zake zotsegulira ndi kutseka ndi ma disc, zomwe chifukwa cha kulemera kwawo komanso kuthamanga kwa ntchito zimaletsa cholumikiziracho kuti chisabwererenso. Ndi valavu yodziyimira yokha, yomwe imatchedwanso valavu yodzipatula, valavu yobwerera, valavu yolowera njira imodzi, kapena valavu yoyesera. Mtundu wokweza ndi kugwedezeka...Werengani zambiri -
Chiyambi cha Valavu ya Gulugufe
M'zaka za m'ma 1930, valavu ya gulugufe inapangidwa ku United States, ndipo m'zaka za m'ma 1950, inayamba kugwiritsidwa ntchito ku Japan. Ngakhale kuti sinayambe kugwiritsidwa ntchito kwambiri ku Japan mpaka m'ma 1960, sinadziwike bwino kuno mpaka m'ma 1970. Makhalidwe akuluakulu a valavu ya gulugufe ndi kuwala kwake komwe...Werengani zambiri -
Kugwiritsa ntchito ndi kuyambitsa valavu ya mpira wa pneumatic
Pakati pa valavu ya mpira wa pneumatic imazunguliridwa kuti itsegule kapena kutseka valavu, kutengera momwe zinthu zilili. Ma switch a valavu ya mpira wa pneumatic amagwiritsidwa ntchito m'mafakitale osiyanasiyana chifukwa ndi opepuka, ang'onoang'ono, ndipo amatha kusinthidwa kuti akhale ndi mainchesi akulu. Alinso ndi chisindikizo chodalirika...Werengani zambiri -
Kapangidwe ndi Kugwiritsa Ntchito Valavu Yoyimitsa
Vavu yoyimitsa imagwiritsidwa ntchito makamaka poyendetsa ndikuletsa madzi kuyenda kudzera mu payipi. Amasiyana ndi mavavu monga mavavu a mpira ndi mavavu a chipata chifukwa adapangidwa kuti azilamulira kuyenda kwa madzi ndipo samangokhala ntchito zotseka. Chifukwa chomwe valavu yoyimitsa imatchulidwira chonchi ndi...Werengani zambiri -
Mbiri ya ma valve a mpira
Chitsanzo choyambirira chofanana ndi valavu ya mpira ndi valavu yopangidwa ndi John Warren mu 1871. Ndi valavu yokhala ndi chitsulo yokhala ndi mpira wamkuwa ndi mpando wamkuwa. Pomaliza pake Warren adapereka patent yake yopanga valavu ya mpira wamkuwa kwa John Chapman, mtsogoleri wa Chapman Valve Company. Kaya chifukwa chake chinali chiyani, Chapman ...Werengani zambiri -
Chiyambi chachidule cha valavu ya mpira wa PVC
Valavu ya mpira wa PVC Valavu ya mpira wa PVC imapangidwa ndi vinyl chloride polymer, yomwe ndi pulasitiki yogwira ntchito zambiri m'makampani, malonda ndi nyumba. Valavu ya mpira wa PVC kwenikweni ndi chogwirira, cholumikizidwa ku mpira womwe umayikidwa mu valavu, zomwe zimapangitsa kuti ntchito ikhale yodalirika komanso yotseka bwino m'mafakitale osiyanasiyana. De...Werengani zambiri -
Kodi mungasankhe bwanji ma valve okhala ndi kutentha kosiyanasiyana?
Ngati valavu iyenera kusankhidwa kuti igwiritsidwe ntchito pa kutentha kwambiri, zinthuzo ziyenera kusankhidwa moyenerera. Zipangizo za mavalavu ziyenera kukhala zotha kupirira kutentha kwambiri ndikukhalabe zokhazikika pansi pa kapangidwe komweko. Mavalavu pa kutentha kwambiri ayenera kukhala olimba. Izi zimagwirizana...Werengani zambiri -
Chidziwitso choyambira cha valavu ya chipata
Valavu ya chipata ndi chinthu chomwe chinapangidwa chifukwa cha kusintha kwa mafakitale. Ngakhale kuti mapangidwe ena a mavavu, monga mavavu a globe ndi mavavu a pulagi, akhalapo kwa nthawi yayitali, mavavu a chipata akhala akulamulira makampaniwa kwa zaka zambiri, ndipo posachedwapa apereka gawo lalikulu pamsika ku vavu ya mpira ndi ...Werengani zambiri -
Kugwiritsa ntchito, ubwino ndi kuipa kwa valavu ya gulugufe
Vavu ya gulugufe Vavu ya gulugufe ndi ya gulu la mavavu a kotala. Mavavu a kotala amakhala ndi mitundu ya mavavu yomwe imatha kutsegulidwa kapena kutsekedwa potembenuza tsinde kotala. Mu mavavu a gulugufe, pali diski yolumikizidwa ku tsinde. Ndodo ikazungulira, imazungulira diski ndi kotala, zomwe zimapangitsa ...Werengani zambiri -
Kugwiritsa ntchito ndi makhalidwe a valavu yoyang'anira
Kugwiritsa ntchito Pafupifupi ntchito zonse zoyendera mapaipi kapena madzimadzi, kaya ndi mafakitale, amalonda kapena apakhomo, zimagwiritsa ntchito ma valve owunikira. Ndi gawo lofunika kwambiri pa moyo watsiku ndi tsiku, ngakhale kuti silikuwoneka. Zimbudzi, kuchiza madzi, chithandizo chamankhwala, kukonza mankhwala, kupanga magetsi, ...Werengani zambiri -
Chiyambi ndi kugwiritsa ntchito valavu yoyimitsa
Vavu yoyimitsa imagwiritsidwa ntchito makamaka poyendetsa ndikuletsa madzi kuyenda kudzera mu payipi. Amasiyana ndi mavavu monga mavavu a mpira ndi mavavu a chipata chifukwa adapangidwa kuti azilamulira kuyenda kwa madzi ndipo samangokhala ntchito zotseka. Chifukwa chomwe valavu yoyimitsa imatchulidwira chonchi ndi...Werengani zambiri -
Momwe Mungalowerere Chitoliro cha PPR
Ngakhale PVC ndiye chitoliro chosakhala chachitsulo chodziwika kwambiri padziko lonse lapansi, PPR (Polypropylene Random Copolymer) ndiye chitoliro chodziwika bwino m'madera ena ambiri padziko lapansi. Cholumikizira cha PPR si simenti ya PVC, koma chimatenthedwa ndi chida chapadera chosakanikirana ndipo chimasungunuka kukhala chonse. Ngati chapangidwa bwino ndi...Werengani zambiri
