| 摘要 |
<p>Disclosed is a gate valve, comprising a valve body (10), a gate knife (12) and a drive apparatus. A medium channel (14) is provided on the valve body. The gate knife is connected to the drive apparatus and fully opens or fully closes the medium channel under the drive of the drive apparatus. The drive apparatus comprises a drive source (16) and a transverse rod (18), the drive source being connected to the middle of the transverse rod. The two ends of the transverse rod are respectively connected to the two ends of the gate knife via a connector (20). The gate valve has excellent leak-tightness.</p> |
