Device for coupling pipes and/or tubes, which can be manipulated with just one hand, and comprising a valve with a seat

摘要

This device, produced in the form of a bayonet device 90, comprises two coupling halves 10, 22 to which a tube 5 and a pipe 7 may be connected, and one of which contains a blocking valve 54, 56 inserted into a passage 46 and which is produced in the form of a valve with a seat, in which the seat 54 is formed on the end of a passage cross-section 50 of the coupling half 10 and the other coupling half 22 comprises an end fitting 66 penetrating into the first coupling half, one end of the end fitting 66 moving the valve body 56 away from the seat 54, for opening the valve, and having a radial pierced passage 70 for the passage of the fluid. Application particularly to in-line quick couplings between tubes and pipes. IMAGE