摘要 |
<p>A cylindrical valve, includes a valve body (1) and a valve core (3), the valve body (1) includes a valve chamber (21) and is integral, the valve chamber (21) is a cylindrical chamber; the valve core (3) is cylindrical and is rotatablely installed in the valve chamber (21), and has a valve core through hole (34) formed therein; said cylindrical valve has an open position and a closed position, in the open position, said valve core through hole (34) is communicated with the outer pipelines, and in the closed position, said valve core through hole (34) is not communicated with the outer pipelines.</p> |