Valavu yotchingira yotchingira yotchingira ndi mtundu wa valavu yotchingira yomwe imagwiritsidwa ntchito kwambiri m'mafakitale osiyanasiyana kuti ilamulire kuyenda kwa madzi. Ili ndi mpando wa raba womwe umapereka chisindikizo cholimba ndikuletsa kubwerera kwa madzi. Valavuyi idapangidwa kuti ilole madzi kuyenda mbali imodzi pomwe ikuletsa kuyenda mbali ina. Chimodzi mwazinthu zazikulu za mavavu otchingira otchingira otchingira otchingira ndi rabara ndi kuphweka kwawo. Ili ndi diski yolumikizidwa yomwe imatseguka ndikutseka kuti ilole kapena kuletsa madzi kulowa...
Tikufuna kuona kusokonekera kwa khalidwe mkati mwa chilengedwe ndikupereka chithandizo choyenera kwa ogula am'deralo ndi akunja ndi mtima wonse pa Ductile iron Static Balance Control Valve, Tikukhulupirira kuti tikhoza kupanga tsogolo labwino kwambiri ndi inu kudzera mu khama lathu mtsogolo. Tikufuna kuona kusokonekera kwa khalidwe mkati mwa chilengedwe ndikupereka chithandizo choyenera kwa ogula am'deralo ndi akunja ndi mtima wonse pa static balancing valve, Zogulitsa zathu zimatumizidwa kunja padziko lonse lapansi. Makasitomala athu nthawi zonse amakhala...