| 摘要 |
<p>A control ball valve includes a valve body (1), in the valve body (1) is formed a flow passage for fluid to flow through, the flow passage comprises an inlet end (2) and an outlet end (5), the inlet end (2) is a conic channel with a gradually reducing inlet port. The ball valve can reduce flow resistance of the fluid flowing into the chamber of the valve body, reduce pressure loss, and avoid generating large turbulence.</p> |
