Limit switch for membrane adjusting valve - has switch incorporated into threaded housing for isolation from corrosive fluids

The limit switch is for use with a membrane adjusting valve. The switch is built into a cylindrical housing (1) with external thread. It is screwed onto or into the valve housing via a lockable thread, so that the switch plunger (2) actuating the switch comes into functional contact with the membran...

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Bibliographische Detailangaben
Hauptverfasser:	BRUDER,JOHANNES, WARITSCHLAGER,HERMANN
Format:	Patent
Sprache:	eng ; ger
Schlagworte:	ACTUATING-FLOATS BLASTING COCKS DEVICES FOR VENTING OR AERATING ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING MECHANICAL ENGINEERING TAPS THERMAL INSULATION IN GENERAL VALVES WEAPONS
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Beschreibung
Zusammenfassung:	The limit switch is for use with a membrane adjusting valve. The switch is built into a cylindrical housing (1) with external thread. It is screwed onto or into the valve housing via a lockable thread, so that the switch plunger (2) actuating the switch comes into functional contact with the membrane (3) of the valve. The pure gas used for actuation of the control valve fills the switch housing. The switch plunger can have a O-ring seal carried in an internal groove of its surface to slide against the housing surface and exclude atmosphere.