Gedhi igondohwe remusoro, uye mafambiro evhavha disc ari perpendicular kugwara remvura, uye vharafu inogona kungovhurwa zvizere uye yakavharwa zvizere, haigone kugadziridzwa uye throttle.Ivhavhavha yegedhi yakavharwa kuburikidza nechigaro chevhavha uye diski yevhavha, kazhinji nzvimbo yekuisa chisimbiso ichakwira pamusoro pesimbi yesimbi kuti iwedzere kusapfeka, zvakadai sepamusoro pe1Cr13, STL6, simbi isina tsvina nezvimwe zvakadaro. elastic disc.Zvinoenderana nekusiyana kweiyo disc, mavharuvhu egedhi akakamurwa kuita akaomesesa gedhi mavharuvhu uye elastic gedhi mavharuvhu.
iyo nzira yekuedza yekumanikidza yevhavha yegedhi
Kutanga, diski yakavhurwa, kuitira kuti kumanikidzwa mukati mevhavha kusimuke kune kukosha kwakatarwa.Zvadaro, vhara gondohwe, pakarepo bvisa vharafu yegedhi, tarisa kana pane kudonha pamativi maviri edhisiki, kana zvakananga kupinda muyedzo yepakati kune yakakosha kukosha papulagi yevhavhavhavha yevhavha, uye tarisa chisimbiso kumativi ose. zve disc.Nzira iri pamusoro iyi inonzi pressure yepakati pekuedza.Iyi nzira haina kukodzera kuongororwa kwechisimbiso chevhavha yegedhi pasi pezita rokuti DN32mm.
Imwe nzira ndeyekuvhura dhisiki kuita kuti vhezheni yekuedza kukwira kune iyo yakataurwa kukosha;wobva wadzima dhisiki, vhura ndiro yebofu kune imwe mugumo, uye tarisa kubuda kwechisimbiso chiso.Wobva wadzokera kumashure, dzokorora bvunzo kusvika wakwanisa sepamusoro.
Muedzo wekuisa chisimbiso pakuzadza uye gasket yevhavha yepneumatic inofanira kuitwa pamberi pechisimbiso bvunzo ye disc.
Kushanda kwakafanana neabhora vharafu, iyo inobvumira kukurumidza kuvhara. Butterfly mavharuvhuanowanzo kufarirwa nekuti anodhura zvishoma pane mamwe magadzirirwo evharuvhu, uye akareruka huremu saka anoda rubatsiro rushoma.Iyo disc yakaiswa pakati pepombi.Tsvimbo inopfuura nepa disc ichienda kune actuator iri kunze kwevharuvhu.Kutenderedza actuator inoshandura dhisiki ringaite parallel kana perpendicular kuyerera.Kusiyana nevhavha yebhora, disc inogara iripo mukati mekuyerera, saka inokonzera kudonhedzwa kwekumanikidzwa, kunyange kana yakazaruka.
Varuvhu yeshavishavi inobva kumhuri yemavharuvhu inonzi quarter-turn valves.Mukushanda, vharuvhu yakazaruka kana yakavharwa kana dhisiki ichitenderedzwa kota.“Butterfly” idhisiki resimbi rakaiswa patsvimbo.Kana vharuvhu yakavharwa, disc inoshandurwa kuitira kuti ivhare zvachose kubva panzira.Kana vharuvhu yakazaruka zvizere, dhisiki inotenderedzwa kota kutendeuka kuitira kuti inobvumira nzira inenge isina kuganhurirwa yemvura.Ivhavha inogonawo kuvhurwa zvishoma nezvishoma kuti iite throttle flow.
Kune marudzi akasiyana emavharuvhu eshavishavi, rimwe nerimwe rakachinjirwa kumanikidziro akasiyana uye kushandiswa kwakasiyana.Zero-offset butterfly valve, iyo inoshandisa kuchinjika kwerabha, ine yakaderera chiyero chekumanikidza.Iyo yakakwira-inoshanda kaviri yekubvisa butterfly valve, inoshandiswa mune zvishoma yakakwirira-kudzvanywa masisitimu, inobviswa kubva pakati pemutsara wedhisiki chigaro uye chisimbiso chemuviri (offset one), uye mutsara wepakati webore (offset maviri).Izvi zvinogadzira cam chiitiko panguva yekushanda kusimudza chigaro kunze kwechisimbiso zvichikonzera kukweshana kushoma pane inogadzirwa mu zero offset dhizaini uye inoderedza maitiro ayo ekupfeka.Ivharuvhu inonyatsokodzera masisitimu e-high-pressure ndiyo katatu offset butterfly valve.Muvharuvhu iyi disc seat yekubata axis inomiswa, iyo inoita kuti ibvise kutsvedza kusangana pakati pe disc nechigaro.Kana iri katatu offset mavharuvhu chigaro chinogadzirwa nesimbi kuitira kuti inogona kugadzirwa zvakadai sekuwana bubble tight shut-off paunosangana ne disc.
Mavharuvhu anogona kudonha nekuda kwezvikonzero zvakasiyana, kusanganisira:
- The valve isisina kuvharwa zvizere(semuenzaniso, nekuda kwetsvina, marara, kana chimwe chipingamupinyi).
- The valve iskukuvadzwa.Kukuvadza kune chigaro kana chisimbiso kunogona kukonzera kuvuza.
- The valve ishaina kugadzirirwa kuvhara 100%.Mavharuvhu akagadzirirwa kunyatso kudzora panguva yekupuruzira anogona kunge asina kunaka pa/kudzima kugona.
- Iyo valve ndiyosaizi isiriyozvepurojekiti.
- Saizi yekubatanidza uye mhando
- Set pressure (psig)
- Tembiricha
- Back pressure
- Service
- Inodiwa kugona