Regulating valve

The invention relates to a valve system for regulating a heat-transferring system, in which the valve member can be adjusted by means of an electrical actuating member. A regulating valve for a heat-transferring medium has a valve member controllable primarily by an electrical actuating member, but...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Leu, Peter, Luckner, Jörg
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:The invention relates to a valve system for regulating a heat-transferring system, in which the valve member can be adjusted by means of an electrical actuating member. A regulating valve for a heat-transferring medium has a valve member controllable primarily by an electrical actuating member, but in the event of failure of the electrical actuating member, a thermostatic actuating member, operating independently of the electrical actuating member and of electric power, is provided in order to prevent damage to the system by driving the valve member when a predetermined temperature is exceeded.