Vesi yodzilamulira nokha: Malamulo a kudziyimira pawokha a mafakitale

Valavu yodzilamulira ndi chitsimikiziro chanzeru chomwe chimapangidwa kuti uyendetse madzi, kupanikizika, kapena kutentha popanda kudalira mphamvu zakunja monga magetsi kapena mpweya. M'malo mwake, zimandivuta mu mphamvu munjirayo yokhayo kuti ipitirize kuyendetsa bwino magawo. Izi zimapangitsa kuti ikhale yankho lofunikira komanso lodalirika lazomwe zimagwiritsidwa ntchito ndi mafakitale ambiri.

Mphamvu yodzilamulira yokha imakhala ndi zigawo zitatu zoyambirira: Chigawo chakhungu, chinthu chowongolera, ndi wogwira ntchito. Chovuta, makamaka ndi diaphragm, masheya, kapena bourdon chubu, amazindikira kusintha mu gawo la njirayi (kupanikizika, kutentha) kumapangidwa. Mwachitsanzo, mu valavu yowongolera mavuto, chinthu chakhumi amasinthasintha kusinthasintha kwamadzi.

Choyimira chowongolera nthawi zambiri chimakhala plug kapena disk yomwe imasintha njira yomwe imayenda mkati mwa thupi la valavu. Imalumikizidwa ndi wogwira ntchitoyo, yomwe imatembenuza mphamvu kuchokera ku chinthu chomvetsa bwino kuti ikhale yoyendetsa moyenerera. Mu mapangidwe ena, kasupe kapena kulemera kumapereka mphamvu yotsutsana kuti muchepetse madongosolowo.

Ntchito ya valavu yodziyang'anira yodzilamulira imakhazikika pamalingaliro a malingaliro. Chinthu chomvekera mosalekeza oyang'anira njirayi ndikufanizira ndi malo. Pamene kupatuka kumachitika, mwachitsanzo, ngati kukakamizidwa kumatha pamwamba pa zitsimikiziro zomwe zimapangitsa kuti zikhalepo zolimbitsa thupi - chinthu chokhumudwitsa chimatulutsa mphamvu yomwe imachita zomwe zimachitika pa woyeserera.

Mphamvu iyi imapangitsa wogwirayo kuti asunthire chinthu chowongolera, kusintha malo oyenda ndipo potengera njirayi. Mwachitsanzo, ngati mavutowo ndi okwera kwambiri, valavu imatseka pang'ono kuti muchepetse kuthamanga ndikuchepetsa kupanikizika. Mosiyananso, ngati kupanikizika kumagwa pansi, valavu imatseguka kuti muwonjezere kutuluka. Kusintha kopitilira kumeneku kumatsimikizira kuti njirayi imakhazikika ndikutseka malo omwe mukufuna.