COMMISSIONING OF A DIAPHRAGM VALVE

A method for determining the end-of-travel positions of a diaphragm in a diaphragm valve having an actuator:initiating displacement of the diaphragm into a first end-of-travel position;ascertaining the first end-of-travel position of the diaphragm, wherein said first end-of-travel position is ascert...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	Lalevic, Novica, Schwarz, Manuel
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ACTUATING-FLOATS BLASTING COCKS CONTROL OR REGULATING SYSTEMS IN GENERAL CONTROLLING DEVICES FOR VENTING OR AERATING ENGINEERING ELEMENTS AND UNITS FUNCTIONAL ELEMENTS OF SUCH SYSTEMS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING MECHANICAL ENGINEERING MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS ORELEMENTS PHYSICS REGULATING TAPS THERMAL INSULATION IN GENERAL VALVES WEAPONS
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Beschreibung
Zusammenfassung:	A method for determining the end-of-travel positions of a diaphragm in a diaphragm valve having an actuator:initiating displacement of the diaphragm into a first end-of-travel position;ascertaining the first end-of-travel position of the diaphragm, wherein said first end-of-travel position is ascertained by monitoring an actuating current value, wherein the first end-of-travel position is reached when a predefined current value is reached;saving the first end-of-travel position;moving autonomously, preferably in the opposite direction, towards a second end-of-travel position of the diaphragm;ascertaining the second end-of-travel position of the diaphragm, wherein said second end-of-travel position is ascertained by means of a predefined travel length (a) of the diaphragm from the first end-of-travel position;saving the second end-of-travel position.