Valve ndiyo inonyanya kushandiswa mumabhizinesi emakemikari.Zvinoita sezviri nyore kuisa mavharuvhu, asi kana isingateveri tekinoroji yakakodzera, inokonzeresa tsaona dzekuchengetedza.Nhasi ndinoda kugoverana newe chimwe chiitiko pamusoro pekuisa valve.
1. Hydrstatic test pakupisa kusina kunaka panguva yekuvaka munguva yechando.
Mhedzisiro: nekuti iyo chubhu inotonhora nekukurumidza panguva yekuyedza hydraulic, chubhu inoomesa nechando.
Matanho: edza kuita hydraulic bvunzo isati yechando chikumbiro, uye mushure mekumanikidza bvunzo kuvhuvhuta mvura, kunyanya mvura iri muvharuvhu inofanira kubviswa mumambure, zvikasadaro vharafu ichaita ngura, inorema ichando mutswe.Iyo purojekiti inofanirwa kuitwa munguva yechando, pasi peiyo indoor yakanaka tembiricha, uye mvura inofanirwa kupeperetswa yakachena mushure mekudzvanywa bvunzo.
2, Iyo pombi system hydraulic simba bvunzo uye tightness bvunzo, iyo leakage yekuongorora haina kukwana.
Mhedzisiro: kuvuza kunoitika mushure mekushanda, zvichikanganisa kushandiswa kwakajairwa.
Matanho: Kana iyo pombi system yakayedzwa zvinoenderana nezvinodiwa zvekugadzira uye zvirevo zvekuvaka, kunze kwekurekodha kukosha kwekumanikidza kana shanduko yemvura mukati menguva yakatarwa, kunyanya tarisisa kana paine dambudziko rekudonha.
3, Butterfly valve flange ndiro ine yakajairika valve flange ndiro.
Migumisiro: shavishavi vharafu flange ndiro uye zvakajairika vharafu flange ndiro saizi yakasiyana, vamwe flange yomukati dhayamita idiki, uye shavishavi vharafu dhisiki ihombe, zvichiita kwete kuvhurika kana zvakaoma kuvhurika uye kuita kukuvara vharafu.
Zviyero: ndiro yeflange inofanira kugadziriswa maererano nehukuru chaihwo hwevhavhavhavhavhavha flange.
4. Nzira yekuisa valve haina kururama.
Semuyenzaniso: cheki chevhavha yemvura (steam) inoyerera yakatarisana nechiratidzo, tsinde yevharuvhu yakaiswa pasi, yakachinjika yakaiswa cheki vharafu kuti itore yakamira kumisikidzwa, inosimuka stem gedhi vharafu kananyoro chisimbiso butterfly vharafumubato hauna kuvhurika, nzvimbo yekuvhara, nezvimwe.
Mhedzisiro: kutadza kwevharuvhu, kugadziridza kwekuchinja kwakaoma, uye shaft yevharuvhu yakatarisana pasi kazhinji inokonzeresa kubuda kwemvura.
Matanho: zvakanyatsoenderana nemirairo yekuisa vharafu yekumisikidza, yakavhurika tsvimbo yegedhi vharafu kuchengetedza vharafu hunde kureba kwekuvhura kureba, butterfly vharafu nyatso funga nezve mubato wekutenderera nzvimbo, marudzi ese evharuvhu hunde haigone kuve pazasi penzvimbo yakachinjika, rega kudzika. .
5. Izvo zvinotsanangurwa uye mienzaniso yevhavha yakasimwa haisati yasangana nezvinodiwa zvekugadzira.
Semuenzaniso, kudzvinyirirwa kwezita revhavha ishoma pane system test pressure;iyo yekudyisa mvura yebazi pombi inotora iyovharafu yegedhiapo pombi dhayamita ishoma pane kana kuenzana ne50mm;pombi yekusveta pombi yemoto inotora vharuvhu yeshavishavi.
Mhedzisiro: inokanganisa kuvhurika kwakajairwa nekuvhara kwevhavha uye gadzirisa kuramba, kumanikidza uye mamwe mabasa.Kunyange kukonzera kushanda kwehurongwa, kukuvadzwa kwevhavha kunomanikidzwa kugadzirisa.
Zviyero: Iva neruzivo nechiyero chekushandiswa kwemavharuvhu akasiyana, uye sarudza zvakatemwa uye mhando dzemavharuvhu zvinoenderana nezvinodiwa zvekugadzira.Iyo yekumanikidza yezita revhavha ichasangana nezvinodiwa zve system test pressure.
6. Valve inversion
Migumisirocheki vharafu, kudzvinyirira kuderedza valve uye mamwe mavharuvhu ane kutungamira, kana akaiswa inverted, iyo throttle valve inokanganisa kushanda kwebasa uye hupenyu;iyo yekumanikidza yekudzikisa valve haishande zvachose, iyo cheki valve inotokonzera njodzi.
Zviyero: vharafu, ine chiratidzo chekutungamira pane muviri wevharuvhu;kana zvisina kudaro, inofanira kunyatsozivikanwa maererano nemutemo wekushanda wevhavha.Ivhavhavha yegedhi haifaniri kuchinjwa (kureva, vhiri remaoko pasi), zvikasadaro zvichaita kuti svikiro richengetedzwe munzvimbo yebhoncover kwenguva yakareba, zviri nyore kukanganisa hunde yevharuvhu, uye hazvina kunaka kutsiva filler.Rising stem gedhi mavharuvhu haaisi pasi pevhu, kana zvikasadaro corrode yakafumuka hunde nekuda kwehunyoro.Swing cheki vharafu, kugadzika kuve nechokwadi chekuti pini shaft level, kuitira kuti inoshanduka.
Nguva yekutumira: Zvita-05-2023