| 摘要 |
The invention is directed to a closing member of a valve, for example of a gas valve, comprising a body generally circular around a longitudinal axis and with a shoulder, a rubber seal packing disposed around the body on the shoulder and a sleeve disposed around the seal packing and the shoulder. The body comprises a longitudinally extending surface adjacent the shoulder and receiving the seal packing, the surface comprising at least one recess filled by the seal packing. |
