A SEALING ARRANGEMENT AND A SEALING MEMBER THEREFOR

摘要

A sealing arrangement is defined between a first apparatus part (10) and a cylindrical surface (13) of a second apparatus part. The sealing arrangement includes an annular sealing member (14) having a radially outer peripheral surface and a radially inner peripheral surface for providing a sealing engagement with the cylindrical surface (13) and for defining with the cylindrical surface a first space (20) widening or diverging from the contact area (19) toward the low pressure area (L). A compression ring (15) surrounds the annular sealing member (14). The axial sectional view of at least part of the outer peripheral surface (22) of the annular sealing member (14) defines a convex contour in an axial direction toward the low pressure area (L), with the radius or radii of curvature being at least 0.4 times the length or width of the annular sealing member (14).