BLOCKING ELEMENT, ESPECIALLY AN EXPLOSION PROTECTION VALVE

A closing body ( 3 ) which is mounted in a housing ( 2 ) in such a way that it can be axially displaced and can be pressed out of an opening position against a valve seat ( 4 ) into a closing position. The closing body ( 3 ) is rotationally symmetrical and includes, on its outer diameter (D 1 ) in r...

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Bibliographische Detailangaben
1. Verfasser:	ZELLWEGER, JUERG
Format:	Patent
Sprache:	eng ; fre ; 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:	A closing body ( 3 ) which is mounted in a housing ( 2 ) in such a way that it can be axially displaced and can be pressed out of an opening position against a valve seat ( 4 ) into a closing position. The closing body ( 3 ) is rotationally symmetrical and includes, on its outer diameter (D 1 ) in relation to its cross-section, two outer wall sections ( 5, 5 ') which meet at an angle of less than 180°. In this way, a surrounding interference edge ( 26 ) is formed, favouring turbulence in the flow and thus a rapid increase in the dynamic pressure. When the closing body is embodied as a hollow body, a spring action also occurs, damping the closing movement.