From two flanged to one another, depending on the housing shells lined with plastic a valve housing for an axially return valve

摘要

One-way ball valve comprises two complementary housing parts bounding a hollow space which receives the ball and which is lined with corrosive resistant material, pref. PTFE, polypropylene, or PVC. The coating includes an annular seating and axial wings which stand out in the space, are distributed over the circumference, and have at least one stop for the ball, axially opposite the seating. Pref. the lining is in two parts, each of which has a flange which engages over the outer end face of the associated housing part and over the inner end face and which is pref. of the same material.