Zogulitsa
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Valavu ya mpira wamkati wa PPR-1069-DN32x25
gawo
Vavu yamadzi ndi chida chofunikira chomwe chimagwiritsidwa ntchito kwambiri m'mapaipi amadzi, chomwe chimagwiritsidwa ntchito kuwongolera, kulamulira kapena kuletsa kuyenda kwa madzi. Ndi yoyenera kugwiritsidwa ntchito m'malo osiyanasiyana, kuphatikizapo mafakitale, mabizinesi, ndi mabanja.
Ma valve athu a mpira wa PPR amapangidwa ndi chitsulo chapamwamba cha A105 chopangidwa ndi zinthu za PPR, zomwe zimapangitsa kuti pakhale kukhazikika, kutentha kwambiri komanso kukana dzimbiri. PPR ndi chinthu choteteza chilengedwe chomwe sichivulaza thanzi ndipo sichitulutsa zinthu zovulaza, kotero chimatha kuonetsetsa kuti madzi ndi otetezeka komanso aukhondo. Ma valve a mpira wa PPR amatha kukana kuwonongeka kwa zinthu monga asidi ndi alkali, motero amawonjezera nthawi yogwira ntchito ndikuchepetsa kuchuluka kwa kukonza ndi kusintha. Amatha kupirira kutentha kwambiri, amatha kupirira madzi otentha otentha kwambiri mu dongosolo lopereka madzi otentha, sadzasintha kapena kusungunuka kuti atsimikizire kuti dongosolo la mapaipi likugwira ntchito bwino. Nthawi yomweyo, lili ndi ntchito yotsegula ndi kutseka mwachangu, ndipo nthawi yotsegula ndi kutseka ndi yochepa, yomwe imatha kuletsa kuyenda kwa madzi mwachangu, ndipo ntchitoyo siigwira ntchito.
Njira yokhazikitsira valavu ya mpira ndi yosavuta, popanda kugwiritsa ntchito zida zina zothandizira, zomwe zimapangitsa kuti ntchito yomanga ikhale yogwira mtima kwambiri. Mavalavu athu a mpira ndi oyeneranso mitundu yonse ya madzi, kutentha, mpweya wabwino komanso mapaipi a mankhwala chifukwa cha kukana dzimbiri komanso kukana kutentha kwambiri. Chogwirira cha valavu ya mpira cha PPR chimagwiritsa ntchito malaya osagwiritsidwa ntchito ndi khungu, zomwe zimapangitsa kuti ntchitoyo ikhale yomasuka, yosavuta kutsegula ndi kutseka, komanso yosavuta kutsetsereka.
