Valve with a direct passage and rotary control

摘要: Valve with a direct passage and rotary control including body sealed by cover both of which are provided an orifice, wherein the valve also includes two coaxial plates having in each case orifice positioned between cover, ratchet mechanism interconnecting under action elastic means when is open, four orifices then being aligned, stop member integral lug first plate disposed vicinity bottom cooperating opening second close to O-ring joint intended for sealing compressed drive rotating such way that, starting from open position, abuts against member, alone fraction turn, plae thus moving axially away disengagement ensure closure joint. This type can particular be used locks, making it possible place samples vacuum.