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Kusiyana pakati pa Ball Valve ndi Gulugufe Valve

Kusiyana pakati pa Ball Valve ndi Gulugufe Valve

Kusiyana kwakukulu pakati pa ma valve a butterfly ndi ma valve a mpira ndikuti valavu ya butterfly imatsegulidwa kapena kutsekedwa pogwiritsa ntchito diski pamene valavu ya mpira imagwiritsa ntchito mpira wopanda kanthu, wopindika komanso wopindika.Ma disc a gulugufe ndi pakati pa valve ya mpira zimazungulira mozungulira.Vavu yagulugufe imatha kuwongolera kuyenda kudzera mu digiri yake yotseguka pomwe valavu ya mpira si yabwino kuchita izi.

Valve ya butterfly imadziwika ndi kutsegula ndi kutseka mofulumira, mawonekedwe osavuta komanso otsika mtengo, koma kulimba kwake ndi kubereka kwake sikuli bwino.Mawonekedwe a ma valve a mpira ndi ofanana ndi ma valve a pakhomo, koma chifukwa cha kuchepa kwa voliyumu ndi kutsegula ndi kutseka kukana, zimakhala zovuta kuti valavu ya mpira ikhale yaikulu m'mimba mwake.

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Kapangidwe ka mavavu agulugufe amawapangitsa kukhala oyenera kupangidwa kukhala akulu akulu akulu.Chimbale cha agulugufe valavu anaika m'mimba mwake malangizo payipi.Mu cylindrical ndime ya gulugufe valavu thupi, chimbale amazungulira mozungulira olamulira.Ikazunguliridwa kozungulira kotala, valavu imatsegulidwa kwathunthu.Vavu yagulugufe ili ndi mawonekedwe osavuta, otsika mtengo komanso osiyanasiyana osinthika.Mavavu a mpira nthawi zambiri amagwiritsidwa ntchito ngati zakumwa ndi mpweya wopanda tinthu tating'onoting'ono ndi zonyansa.Ma valve awa ali ndi kutsika pang'ono kwamadzimadzi, kusindikiza bwino komanso kukwera mtengo.

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Poyerekeza, kusindikiza kwa valve ya mpira kuli bwino kuposa valavu ya butterfly.Chisindikizo cha valavu ya mpira chimadalira makina osindikizira pamtunda wozungulira ndi mpando wa valve kwa nthawi yaitali, zomwe ziyenera kuvala mofulumira kuposa valavu ya theka-mpira.Vavu ya mpira nthawi zambiri imapangidwa ndi zinthu zosindikizira zosinthika, ndipo zimakhala zovuta kugwiritsa ntchito potentha kwambiri komanso mapaipi othamanga kwambiri.Vavu yagulugufe ili ndi mpando wa rabara, womwe uli kutali ndi chitsulo chosindikizira cholimba cha ma valve a theka-mpira, ma valve a mpira ndi ma valve a pakhomo.Pambuyo pakugwiritsa ntchito kwa nthawi yayitali valavu ya semi-ball, mpando wa valve udzakhalanso wovala pang'ono, ndipo ukhoza kugwiritsidwa ntchito mosalekeza mwa kusintha.Pamene tsinde ndi kulongedza zimatsegulidwa ndi kutsekedwa, tsinde limangofunika kuzungulira kotala.Pakakhala chizindikiro chilichonse chotuluka, kanikizani bolt ya gland kuti muzindikire kuti palibe kutayikira.Komabe, ma valve ena sagwiritsidwabe ntchito movutikira ndi kutayikira kwakung'ono, ndipo mavavu amasinthidwa ndi kutayikira kwakukulu.

Potsegula ndi kutseka, valavu ya mpira imagwira ntchito pansi pa mphamvu ya mipando ya valve pamapeto onse awiri.Poyerekeza ndi valavu ya theka-mpira, valavu ya mpira imakhala ndi torque yayikulu yotsegulira ndi kutseka.Ndipo kukula kwake kwadzina, kumawonekeranso kusiyana kwa kutsegula ndi kutseka torque.Kutsegula ndi kutseka kwa valavu ya butterfly kumazindikiridwa ndi kugonjetsa kusinthika kwa mphira.Komabe, zimatenga nthawi yayitali kugwiritsa ntchito mavavu a pachipata ndi ma valve a globe ndipo ndizovuta kuchita izi.

Vavu ya mpira ndi valavu yamapulagi ndi amtundu womwewo.valavu ya mpira yokhayo ili ndi mpira wopanda dzenje wowongolera kuyenda modutsamo.Mavavu a mpira amagwiritsidwa ntchito kwambiri kudula, kugawa ndikusintha njira yoyendetsera sing'anga mumapaipi.


Nthawi yotumiza: Jan-18-2021