| 摘要 |
<p>The device comes within the field of irrigation devices.
A fluid flow shut-off or control valve or device (1) wherein at least one end (2A, 2B) of said valve (1) is shaped so as to allow coupling of the body (2) with a rotatable ring nut (7) provided with a female thread adapted to be screwed onto a corresponding male thread of a component.</p> |
