Nkhani

Mu kapangidwe ka valavu, tsinde la valavu silikuwoneka lovuta, koma bola ngati mwadutsa mu dongosolo lotentha kwambiri komanso lopanikizika kwambiri, mukudziwa kuti ndi limodzi mwa magawo omwe amakumana ndi mavuto ambiri.

Kapangidwe ka bonnet si vuto lalikulu m'ma valve ang'onoang'ono, koma akakhala pamwamba pa DN400, cholakwika cha kusonkhana chimakhala chosavuta kuwonekera. Ma valve ambiri a mpira kapena ma valve a chipata pamalo a polojekiti amakhala ndi vuto lotseguka ndi kutseka kapena kulongedza zinthu molakwika, ndipo zonsezi zimagwirizana ndi kusagwirizana kapena kupotoka kwa chivundikiro cha valve.

Pakukonza zimbudzi, kuchotsa mchere m'madzi, kumanga malo okonzera madzi ndi machitidwe ena, valavu imakhudzana kwa nthawi yayitali ndi chosungira chokhala ndi chlorine komanso mchere, zomwe zimapangitsa kuti pakhale zofunikira kwambiri pakukana dzimbiri ndi mphamvu ya kapangidwe kake monga chivundikiro cha valavu.

Mu makampani opanga mafuta, kudalirika kwa zolumikizira ma valve kumagwirizana mwachindunji ndi chitetezo ndi ntchito yopitilira ya dongosolo la mapaipi. Monga gawo lofunikira kwambiri, kusankha zinthu ndi kukonza kwa thupi la ma valve ndikofunikira kwambiri.