Maziko a valve 1. Zofunikira za valve ndi: kuthamanga kwadzina PN ndi m'mimba mwake DN 2. Ntchito yoyambira ya valve: kudula sing'anga yolumikizidwa, sinthani kuthamanga, ndikusintha kayendedwe ka 3, njira zazikulu za valve. kugwirizana ndi: flange, ulusi, kuwotcherera, wafer 4, ndi ...
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