| 摘要 |
<p>The present finding relates to a bidirectional ball valve usable particularly for ecological frigorific gases, which comprises a valve body housing a ball shutter (5) connected to a control rod (12) sealingly protruding from said valve body. The peculiarity of the finding is in that the ball shutter is turnable by 180 DEG and is provided with a through hole (30) on the side surface, and in the closing step can be arranged in the incoming flow direction. <IMAGE></p> |
