Slide surface seal for S=shape valve in concrete pump - has concrete hydraulic cylinder to position coupling between slide disk and ring

摘要

A slide surface seal for a coupling device in an S-shaped slide valve of a concrete pump has a sliding disk mounted in a housing on the side of the concrete cylinder, and a ring located against the S-shaped pipe. The pipe has a pivoting location in the slide housing. A hydraulic cylinder (16) positions the mounting or movement angle ( alpha 1) between the disk (7) and ring (8) between the concrete cylinder (1) and the slide housing (5). ADVANTAGE - Improved performance and restraint of slide face and ring.