Waxaa jira noocyo badan oo valves ah, mid walbana wuxuu leeyahay faa'iidooyin iyo faa'iido darrooyin u gaar ah. Halkan waxaa ah shan faa'iidooyin iyo faa'iido darrooyin, oo ay ku jiraan valves gate, balanbaalis valves, valves balls, globe valves iyo plug valves. Waxaan rajeynayaa inaan ku caawiyo. Cock valve: waxa loola jeedaa valve rotary oo leh muquunsi...
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