Kugwiritsa ntchitoValavu ya Gulugufe Yonyamula:
HVAC, Kupereka Madzi ndi Zinyalala, Chakudya ndi Zakumwa, Mankhwala/Petrochemical/Kukonza, Mphamvu ndi Zamagetsi, Mapepala ndi Zamkati, Nyumba Yomanga Sitima
TheValavu ya Gulugufe Yonyamula(Kupyolera mu Shaft Yopanda Pin) ndi gawo lofunikira kwambiri pakulamulira madzi m'mapaipi. Ndi kapangidwe ka shaft yodutsa ndipo palibe chifukwa chogwiritsa ntchito mapini, valavu iyi imapereka magwiridwe antchito ambiri komanso kukonza kochepa. Vavu iyi imagwira bwino ntchito powongolera kayendedwe ka madzi, ndipo kapangidwe kake ka shaft yodutsa kamapereka kulumikizana kwamphamvu komanso kokhazikika. Mbali yake yolumikizira imalola kuyika ndi kukonza kosavuta. Yopangidwa molondola komanso molimba, valavu iyi ndi chisankho chodalirika pa ntchito zamafakitale.
