Stop valve device

摘要

A stop valve device (36) mounted in the by-pass (32, 36) of a vibration damper between a high pressure part section (32) and a low pressure part section (32a) has a stop valve (38) which can be moved by an external control (46) into an opening preparation state in which the actual opening can be brought about in dependence upon the pressure prevailing in the high pressure part section when the pressure falls below a predetermined value