Proportional valve activated on one side and having a centring position

摘要

Directional control valve, in particular a directional control valve actuated by an electromagnet, with at least two consumer ports which can alternatively be connected to the tank or a pressure-medium source, in which arrangement one consumer port in each case lies between pump and tank port, the control piston can be centred in its centre position by two centring springs, and a hydraulically preloaded control spring is provided.