| 摘要 |
<p>A VALVE FOR USE IN CONNECTION WITH OIL PRODUCTION AND GAS PRODUCTION COMPRISING A VALVE HOUSING (1) WHICH IS CONNECTED TO AT LEAST ONE INLET (2) AND AN OUTLET (3), WHICH TOGETHER DEFINE A FLOW CHANNEL (16) THROUGH THE VALVE, A VALVE BODY (9), WHICH IS SET UP TO SELECTIVELY OPEN AND CLOSE FOR FLUID FLOW IN THE FLOW CHANNEL (16). A VALVE SEAT (6, 7), IS FITTED WITH AT LEAST ONE SEAL AGAINST THE VALVE HOUSING (1), THE VALVE SEAT (6) IS FITTED WITH AN UNDERCUT (31) ON THE SIDE OF THE VALVE SEAT THAT FACES THE VALVE BODY (9). THE UNDERCUT (31) IS IN DIRECT FLUID COMMUNICATION WITH THE FLOW CHANNEL (16).</p> |
