Akatswiri opanga ma valve a mpira wa PVC amapanga njira ya valve ya mpira

Njira yopangira valavu ya mpira wa PVC ili ndi njira zotsatirazi.
A. Pangani pachimake cha valavu chimodzi chomwe chimagwirizanitsa tsinde la valve ndi mpira wa valve;
B. Ikani mpira wa valavu wapakati pa valavu ndi gawo la tsinde la valavu lolumikizidwa ndi mpira wa valve mu nkhungu kuti mupange thupi la valavu ya pulasitiki;
C. Kutenthetsa ndi kusungunula zinthu zapulasitiki;thupi pulasitiki valavu mpira aumbike pambuyo kuzirala mu nkhungu.
Mbali iliyonse ya thupi la valavu ya mpira wa pulasitiki ili ndi potsegula pomwe mpira uli.Pamwamba pa thupi la valavu pali potuluka tsinde.
Thupi la valavu la pulasitiki litakhazikika ndikupangidwa, gawo lolumikizirana la mpira ndi tsinde la valavu ya valavu imodzi limatsekeredwa kwathunthu mu thupi la valavu ya pulasitiki.Mapeto a tsinde la valavu yachigawo chimodzi amatuluka kunja kuchokera ku tsinde pamwamba pa thupi la valavu ya pulasitiki, pamene mpira wa valavu imodzi umakhudzana kapena uli ndi kusiyana pakati pa thupi la valve. thupi la pulasitiki la valve.Mmodzi wa mipata mbali zonse chikugwirizana ndi valavu pulasitiki chivundikirocho ndi bowo, ndi kudzera dzenje la valavu pulasitiki chivundikirocho chikugwirizana ndi otaya ndime mu pulasitiki valavu thupi.

 Mu sitepe A, valavu imodzi yokha imatha kupangidwa ndi zipangizo zosiyanasiyana.Mwachitsanzo, pamene mphamvu ya valavu imodzi yokha ikufunika kuti ifike pamtunda wapamwamba, chigawo chimodzi cha valve chikhoza kupangidwa ndi zitsulo;pamene pachimake valavu chimodzi chikufunika kuti chikhale chopepuka, chosawononga dzimbiri, komanso chosavuta kuchikonza, chigawo chimodzi cha valve chikhoza kupangidwa ndi zipangizo zapulasitiki.Pamene valavu imodzi imakhala ndi mphamvu zambiri komanso kukana dzimbiri, chigawo chimodzi cha valve chikhoza kupangidwa ndi pulasitiki;pamene pachimake valavu chimodzi chimafuna kukana dzimbiri, valavu imodzi yokha imatha kupangidwa ndi pulasitiki.Thupi la spool likhoza kupangidwanso ndi zinthu zophatikizika.Zophatikizika pano zikutanthauza zinthu zopangidwa ndi zinthu zosachepera ziwiri kapena kuposerapo, monga pulasitiki yokulungidwa ndi chitsulo, kapena zinthu zambiri zopangidwa ndi zokutira zamitundu yosiyanasiyana yapulasitiki.Panthawi imodzimodziyo, tsinde la valve ndi mpira wa valve ukhozanso kupangidwa ndi zipangizo zina, monga zoumba.Zoonadi, tsinde la valve ndi mpira wa valve ukhoza kupangidwanso ndi zipangizo ziwiri zosiyana.Mwachitsanzo, chitsulo chachitsulo-pulasitiki chophatikizika valavu chingapangidwe kuchokera ku mafupa achitsulo ndi zokutira zapulasitiki zomwe zimavala mafupa achitsulo.

 

Mu sitepe B, kuti akhazikitse mawonekedwe osindikizira pakati pa tsinde la valavu ndi thupi la valavu pakukonza kotsatira kwa valavu ya mpira, bokosi lodzazira lomwe limayika pachimake cha valavu imodzi ndi tsinde la valavu zitha kuyikidwanso mu nkhungu. pangani thupi la valavu ya pulasitiki kuti mupeze Filler bokosi loyika ndikudzaza mabokosi oyika matupi opangidwa ndi pulasitiki.
Mu sitepe c, popanga jekeseni pamakina opangira jekeseni (zowona kuti njira zina zopangira thermoplastic sizimachotsedwa), njira yotenthetsera, kusungunula ndi kuziziritsa zinthu zapulasitiki mu nkhungu kupanga valavu ya pulasitiki imatha kumaliza bwino. .Chifukwa kuumba jekeseni kumatha kupititsa patsogolo kuthamanga ndi kulondola kwa kupanga ndikuwonetsetsa kuti zinthu zili bwino, ndizoyenera kupanga mafakitale akuluakulu.
Komanso, mu sitepe C, tikulimbikitsidwa kugwiritsa ntchito polyethylene zakuthupi kupanga pulasitiki mpira valavu thupi, koma zakuthupi kupanga valavu pulasitiki thupi si zokhazo polyethylene zakuthupi.Mwachitsanzo, polypropylene, polyvinyl chloride, ABS ndi zinthu zina zapulasitiki zingagwiritsidwe ntchito popanga matupi apulasitiki a valve.Panthawi imodzimodziyo, thupi la pulasitiki la valve likhoza kukhala thupi la valve la pulasitiki ndi chimango chopangidwa ndi zitsulo kapena zipangizo zina.

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