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...
Mayankho athu amadziwika ndi anthu ambiri ndipo ndi odalirika ndi ogwiritsa ntchito ndipo angakwaniritse zosowa zachuma komanso zachikhalidwe za Quotes for Electric Actuator EPDM PTFE Seated Wafer Butterfly Valve, Tikufuna mgwirizano waukulu ndi makasitomala oona mtima, kukwaniritsa cholinga chatsopano cha ulemerero ndi makasitomala ndi ogwirizana nawo. Mayankho athu amadziwika ndi anthu ambiri ndipo angakwaniritse zosowa zachuma komanso zachikhalidwe za Chi...