| 摘要 |
A device for shutting off the flow in pipelines, hoses or the like, in particular a non-return valve having a housing for installing in a pipeline or the like. The housing has a flow channel, of which the flowed-through cross section can be closed by a valve, the valve having a valve disc for closing the cross section and a valve stem for guiding the valve and the valve being mounted by means of the valve stem in a retaining plate, so as to be displaceable in the direction of flow.
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