Flow guard e.g. for automatic blocking circuits such as gas circuits, has flow channel having flow direction with housing surrounds channel and has valve seat

摘要

The flow guard (1) has a flow channel having a flow direction (S). A housing (2) surrounds the channel and has a valve seat (4). A blocking body (5) is provided relative to the valve seat (4) between an open position and a closing position. The velocity of the streaming media of the flow channel is increased. An independent claim is included for a corresponding connection arrangement.