Grooved End Butterfly Valve
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Valve yagulugufe yakumapeto
Werengani zambiriVavu yagulugufe yakumapeto ndi valavu yagulugufe yopindika yomwe ili ndi mawonekedwe owoneka bwino. Chisindikizo cha mphira chimapangidwira pa ductile iron disc, kuti athe kutulutsa mphamvu zambiri.
