Freeze-resistant metering valve

It is a freeze-resistant metering valve, which has a includes magnetic part and a hydraulic part. The magnetic part has a by a spring-biased armature. The hydraulic part has a Annular space for receiving and forwarding a liquid. Likewise, the hydraulic part one pointing in a valve seat lifter. In this case, the valve seat a nozzle opening at the side averted the plunger is. In umbestromten state of tappet blocks the annular space in the direction an opening (Nozzle hole). This happens until the freezing pressure on the armature by the solidifying liquid generates sufficient force. The force is counteracted, created up by a discharge motion a freeze expansion space becomes.