| 摘要 |
<p>The invention relates to a control valve for gaseous and liquid material flows, having a housing (1), pipe connection elements (2) and an actuating element (3), which is held between seating elements (4) and has a flow channel (6) with a flow channel wall (7) consisting of wear-resistant material. According to the invention, the flow channel (6) of the actuating element (3) has an expansion in its cross-section (11) in the flow direction, which expansion causes a jet to separate on the flow channel wall (7) in the flow channel through which the fluid passes. …<IMAGE>… </p> |
