Mabulogu
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Zoyambira za ma valve a chipata ndi kukonza
Vavu ya chipata ndi valavu yogwiritsidwa ntchito kwambiri yomwe ndi yofala kwambiri. Imagwiritsidwa ntchito kwambiri m'magawo a zitsulo, kusunga madzi, ndi zina. Msika wavomereza magwiridwe antchito ake osiyanasiyana. Kuphatikiza pa kuphunzira valavu ya chipata, idachitanso kafukufuku wokwanira...Werengani zambiri -
Zoyambira za ma valve a Globe
Ma valve a Globe akhala akuthandiza kwambiri pakulamulira madzi kwa zaka 200 ndipo tsopano amapezeka kulikonse. Komabe, m'mapulogalamu ena, mapangidwe a ma valve a globe angagwiritsidwenso ntchito kuyang'anira kutseka kwathunthu kwa madzi. Ma valve a Globe nthawi zambiri amagwiritsidwa ntchito kulamulira kuyenda kwa madzi. Ma valve a Globe amayatsa/zima ndikusintha kagwiritsidwe ntchito ka ...Werengani zambiri -
Gulu la mavavu a mpira
Zinthu zofunika kwambiri pa valavu ya mpira ndi thupi la valavu, mpando wa valavu, mpira wozungulira, tsinde la valavu, ndi chogwirira. Vavu ya mpira ili ndi mpira wozungulira ngati gawo lake lotseka (kapena zida zina zoyendetsera). Imazungulira mozungulira valavu ya mpira ndipo imayendetsedwa ndi tsinde la valavu. Imagwiritsidwa ntchito makamaka mu pip...Werengani zambiri -
Valavu yothandizira
Vavu yothandiza, yomwe imadziwikanso kuti valavu yothandiza kupanikizika (PRV), ndi mtundu wa valavu yotetezera yomwe imagwiritsidwa ntchito kulamulira kapena kuchepetsa kupanikizika mu dongosolo. Ngati kupanikizika sikunalamuliridwe, kumatha kudzikundikira ndikupangitsa kuti ntchito isokonezeke, kulephera kwa chipangizo kapena zida, kapena moto. Mwa kuyambitsa kupanikizika...Werengani zambiri -
Mfundo yogwirira ntchito ya valavu ya gulugufe
mfundo yogwirira ntchito Valavu ya gulugufe ndi mtundu wa valavu yomwe imasintha kayendedwe ka sing'anga poitsegula kapena kuitseka poitembenuza mmbuyo ndi mtsogolo pafupifupi madigiri 90. Kuphatikiza pa kapangidwe kake kosavuta, kakang'ono, kulemera kopepuka, kugwiritsa ntchito zinthu zochepa, kuyika kosavuta, mphamvu yoyendetsa yochepa, ndi q...Werengani zambiri -
Kugwiritsa ntchito chitoliro cha HDPE
Mawaya, zingwe, mapayipi, mapaipi, ndi ma profiles ndi ochepa chabe omwe amagwiritsidwa ntchito pa PE. Mapulogalamu a mapaipi amayambira pa mapaipi akuda okhala ndi makoma okhuthala a mainchesi 48 a mapaipi a mafakitale ndi mizinda mpaka mapaipi ang'onoang'ono achikasu ozungulira gasi wachilengedwe. Kugwiritsa ntchito chitoliro chachikulu cha khoma chopanda kanthu m'malo mwa ...Werengani zambiri -
Polypropylene
Polypropylene yamitundu itatu, kapena chitoliro cha polypropylene chosasinthika, chimatchedwa PPR. Zipangizozi zimagwiritsa ntchito kutenthetsa kutentha, zili ndi zida zapadera zowotcherera ndi kudula, ndipo zimakhala ndi pulasitiki wambiri. Mtengo wake ndi wabwino kwambiri. Pamene chotetezera kutentha chikuwonjezeredwa, chotetezera kutenthacho chimayikidwa pa...Werengani zambiri -
Kugwiritsa ntchito CPVC
Pulasitiki yatsopano yaukadaulo yomwe ingagwiritsidwe ntchito m'njira zambiri ndi CPVC. Mtundu watsopano wa pulasitiki yaukadaulo yotchedwa polyvinyl chloride (PVC) resin, yomwe imagwiritsidwa ntchito popanga utomoni, imayikidwa chlorine ndikusinthidwa kuti ipange utomoni. Chogulitsacho ndi ufa woyera kapena wachikasu wopepuka kapena granule wopanda fungo,...Werengani zambiri -
Momwe Ma Valves a Gulugufe Amagwirira Ntchito
Vavu ya gulugufe ndi mtundu wa valavu yomwe imatha kutsegulidwa kapena kutsekedwa potembenuza mozungulira madigiri 90. Vavu ya gulugufe imagwira ntchito bwino pankhani yowongolera kayendedwe ka madzi kuwonjezera pa kukhala ndi kuthekera kotseka bwino ndi kutseka, kapangidwe kosavuta, kakang'ono, kopepuka, komanso kugwiritsa ntchito zinthu zochepa...Werengani zambiri -
Chiyambi cha chitoliro cha PVC
Ubwino wa mapaipi a PVC 1. Kusunthika: Zipangizo za UPVC zili ndi mphamvu yokoka yomwe ndi gawo limodzi mwa magawo khumi okha a chitsulo chopangidwa ndi chitsulo, zomwe zimapangitsa kuti zikhale zotsika mtengo kutumiza ndikuyika. 2. UPVC ili ndi mphamvu zambiri zotsutsana ndi asidi ndi alkali, kupatulapo ma acid amphamvu ndi alkali omwe ali pafupi ndi malo okhuta kapena ...Werengani zambiri -
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
