Butterfly Valve, TWS iValve
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Ivalvu yebhabhathane, ivalvu yeTWS
Funda ngokugqithisileyoIimveliso eziphambili ze-TWS Ivalve yivalve yebhabhathane ziquka ivalufa yebhabhathane, ivalve yebhabhathane yelug, ivalve yebhabhathane ye-U kunye nevalve yebhabhathane.
