Kodi Valavu Yokweza Pulagi ndi Chiyani?

 

Valavu yokweza ndi valavu yomwe imagwiritsidwa ntchito kuwongolera kuyenda kwa madzi osiyanasiyana (kuphatikiza gasi ndi madzi) m'mapaipi. Yapangidwa ndi pulagi yozungulira yomwe imatha kukwezedwa kapena kutsitsidwa kuti ilamulire kuyenda kwa madzi. Mavalavu okweza amagwiritsidwa ntchito kwambiri m'mafakitale monga mafuta ndi gasi, petrochemical, mankhwala ndi mankhwala.

 

Zigawo zazikulu za valavu yolumikizira ma poppet ndi monga thupi, bonnet, pulagi, tsinde, mpando ndi choyendetsera magetsi. Thupi la valavu ndi chipolopolo chakunja cha valavu momwe zinthu zina zonse zimakhalira. Nthawi zambiri imapangidwa ndi chitsulo chopangidwa ndi chitsulo kapena chopangidwa kuti chikhale cholimba komanso cholimba. Bonnet ndi chivundikiro chomwe chimamangirira pamwamba pa thupi la valavu ndipo chimasunga tsinde ndi choyendetsera magetsi. Pulagi ndi chinthu chozungulira chomwe chingakwezedwe kapena kutsitsidwa kuti chiwongolere kuyenda. Nthawi zambiri chimapangidwa ndi chitsulo, monga chitsulo chosapanga dzimbiri kapena chitsulo chopangidwa ndi chitsulo, ndipo chingakhalenso ndi chophimba kuti chikhale cholimba. Tsinde ndi kapangidwe konga ndodo komwe kamalumikiza pulagi ndi choyendetsera magetsi, zomwe zimathandiza kuyenda moyima. Mpando ndi pamwamba pomwe pulagi imalumikizana kuti amalize kusindikiza. Nthawi zambiri imapangidwa ndi zinthu zolimba, monga rabara kapena Teflon, kuti zitsimikizire kuti valavuyo imatsekedwa bwino. Choyendetsera magetsi ndi chipangizo chomwe chimagwiritsidwa ntchito kukweza ndikutsitsa bung ndipo chingakhale chamanja, chamagetsi kapena chopopera mpweya.

 

Valavu yokwezera imadziwika chifukwa cha kusinthasintha kwake komanso kuthekera kwake kugwira mitundu yosiyanasiyana yamadzimadzi. Ndi yoyenera kwambiri kugwiritsa ntchito zomwe zimafuna kutsekedwa bwino, chifukwa chotchinga chimatha kukwezedwa kapena kutsika kuti chitseke bwino. Izi zimapangitsa kuti zikhale zoyenera kugwiritsidwa ntchito m'malo opanikizika kwambiri kapena kutentha kwambiri. Mavavu okweza nthawi zambiri amagwiritsidwa ntchito m'makina okhala ndi madzi owononga kapena owononga chifukwa amatha kupangidwa ndi zinthu zosawonongeka komanso zosagwira dzimbiri.

 

Chimodzi mwa ubwino wa valavu yokwezeka ya pulagi ndi kuthekera kwake kupereka kuyenda kopanda malire chifukwa pulagi imatha kunyamulidwa mokwanira kuchokera pampando, zomwe zimapangitsa kuti njira yoyenda iyende bwino. Izi zimapangitsa kuti ntchito iyende bwino komanso kuchepetsa kutsika kwa mphamvu ya mpweya pa valavu. Mavalavu okwezera pulagi ali ndi mphamvu yochepa yogwirira ntchito, zomwe zimapangitsa kuti zikhale zosavuta kugwiritsa ntchito komanso zimachepetsa kuwonongeka kwa zigawo za valavu. Amatha kupangidwa ndi maulumikizidwe osiyanasiyana monga flanged, threaded kapena welded kuti agwirizane ndi njira zosiyanasiyana zopaipira.

 

Mwachidule, valavu yokwera ndi valavu yodalirika komanso yosinthasintha yomwe imagwiritsidwa ntchito polamulira kuyenda kwa madzi m'mafakitale osiyanasiyana. Chifukwa cha kapangidwe kake kolimba komanso kuthekera kopereka chisindikizo cholimba, ndi gawo lofunikira m'machitidwe ambiri a mapaipi. Kaya kugwiritsa ntchito kumakhudza kuthamanga kwambiri, kutentha kwambiri kapena madzi owononga, mavalavu okwera a plug atsimikizika kuti ndi chisankho chodalirika. Kutha kwake kupereka kuyenda kopanda malire komanso mphamvu yochepa yogwirira ntchito kumawonjezera kukongola kwake.

Nortech ndi m'modzi mwa opanga ma valve otsogola ku China omwe ali ndi satifiketi ya ISO9001 yapamwamba.

Zinthu zazikulu:Valavu ya Gulugufe,Valavu ya Mpira,Valavu ya Chipata,Valavu Yowunikira,Globe Vavlve,Zipangizo za Y,Chotsukira Magetsi,Zipangizo zoyezera mpweya (Pneumatic Acurators).

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