| 摘要 |
<p>The device has a control valve that comprises a valve body (18). The valve body is designed with a closing element (40) and a guiding element (54) as a two piece, where the guiding element is designed as a valve pin (55). The valve pin is guided into a guiding sleeve (30) in a movable manner. The closing element comprises of a valve circular body (42). The valve circular body comprises of a circular sealing surface (44), and is pressed on the guiding element. The guiding element comprises of a passage unit (56), where the closing element and the guiding element exhibit different hardness. The guiding sleeve has a form of a circular cylinder casing. The closing element and the guiding element are made of different materials.</p> |
