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Check Valve
For the check valve, the force generated by the flowing medium in the pipeline is applied on the valve clack, which rotates or moves along the passageway to automatically open or close the passageway, and such valve belongs to automatic valve. Generally, the check valves can be widely applied as the control device for preventing medium backflow in the pipelines with the requirement for the one-way flowing control of such medium as water, steam, oil, nitric acid, acetic acid and strong oxidative medium, and the action performance thereof can be improved by the configuration of external auxiliary mechanism. More
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