| 摘要 |
<p>Modular piston valve comprising outlet port (20) and inlet port (16) attached to a housing and a piston (22) inside the housing to close an inlet port (16) when in proximity thereto, the piston being configured with an opening allowing fluid to enter the inner part of said piston and to flow through said outlet port (20) when said piston is moved in proximity to said outlet valve.</p> |
