| 摘要 |
<p>A control valve (10, 110, 210, 310) comprising a base body (12, 112, 212, 312) on which a shutter (14, 114, 214, 314) is fitted able to run in relation to the base body (12, 112, 212, 312) by means of drive elements to close an aperture (16, 116, 216, 316) coupling with a surface (38, 138, 238, 338) of a hollow cover (20, 120, 220, 320) connected to the base body (12, 112, 212, 312) by means of locking elements, said valve (10, 110, 210, 310), at least one of said components being made of plastic.</p> |
