| 摘要 |
<p>The invention relates to a non-return valve with a valve sleeve, comprising a valve seat and a flow opening and a sealing body moveable in the valve sleeve, comprising a bulged sealing face, wherein the bulged sealing face is arranged at a head end of the sealing body and the non-return valve comprises guiding means for the axial guidance of the sealing body in the valve sleeve, so that the sealing face always faces the valve seat, and a locking element is inserted into the valve sleeve through the flow opening and is fixed therein, so that the locking element restricts the movement of the sealing body in the valve sleeve.</p> |
