Patent ID: 6923430

Claim:
Valve for controlling the flow of a fluid, comprising a valve body ( 50 ), an internal member for opening and shutting-off the passage of the fluid, a rotary operating member ( 56 ) that can be turned through several turns, a connecting means ( 58 ) connecting the operating member ( 56 ) to the shut-off member, means limiting movement of the operating member and of the opening and shut-off member in the direction of opening of the valve, these means comprises a stop ( 60 ) and of a mating stop ( 62 ) which are arranged respectively on a rotary element and on a fixed element of the valve, or vice versa, and mutual contact of which does not occur until the end of the last turn of the operating member ( 56 ) when opening the valve, characterized in that the mating stop ( 62 ) forms part of a separate element ( 64 ) independent of the body ( 50 ) of the valve and in that means are provided for fixing said element ( 64 ) into the body of the valve in a determined axial position and a determined angular position corresponding to maximum contact with the moving stop ( 60 ) when the valve is in the open position.