Hydraulic release unit for a valve unit in a power machine assembly, in particular for a quick-closing valve of a turbine assembly

摘要

The unit has an emergency oil passage (3) connected to a valve unit, and an auxiliary emergency oil passage (7) connected via connecting lines (7.1-7.3) to solenoid valve units (8.1-8.3). Each connecting line feeds two of the three valve units. The auxiliary emergency oil passage and the emergency oil passage are separated from a drain by a plate-type drain valve (4) such that the auxiliary emergency oil passage and the emergency oil passage adjoin the plate-type drain valve with opposite directions of action.