| 摘要 |
<p>The check valve has valve housing (40), valve portion (42) and valve spring (72). The valve portion has shaft (64) and head (62) positioned opposite to shaft, which cooperates with valve seat (58) with respect to valve housing. The valve portion is guided in housing in displaceable state. The valve spring is acted upon in closing direction with respect to valve portion and the valve spring is supported on shaft. The shaft and the head of the valve portion are formed as separate components which are rigidly connected together and the head is formed as a ball.</p> |
