<p>The control has at least one extra socket which takes a coupling or connection (4) detachably joined. The cylindrical housing (1) contains at least one movable closure piece (10). The rotary appliance (5) for controlling the fluid flow through the housing has an arcuate cam for transmitting radial movement to the closure piece. The rotary appliance for sealing the sockets (3) has a rotary cylindrical seal (7) with side openings, and joined to a rotary handle (6). At most two sockets are open at the same time for conveying the fluid through.</p>
