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1. A venting valve comprising:
a securing part and an end member, wherein the securing part and the end member form a monolithic structure; wherein the end member comprises an outer circumferential wall and a disk-shaped valve body arranged at an end of the outer circumferential wall facing away from the securing part, wherein the disk-shaped valve body is connected circumferentially to the outer circumferential wall and extends transverse to a center axis of the circumferential wall, wherein the disk-shaped valve body has an outer end face and an inner side that is extending substantially parallel to the outer end face, wherein the disk-shaped valve body is provided with at least one diametrically extending venting slot penetrating the disk-shaped valve body from the outer end face to the inner side; wherein the securing part has a mounting diameter in a mounted state such that the securing part is radially elastically expanded and the radial elastic expansion generates a radial force causing a closure tension acting on the venting slot so as to close the venting slot in the mounted state.
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