Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
F16K5/08—Details
F16K5/10—Means for additional adjustment of the rate of flow
F16K5/103—Means for additional adjustment of the rate of flow specially adapted for gas valves
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Engineering & Computer Science
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General Engineering & Computer Science
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Mechanical Engineering
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Preventing Unauthorised Actuation Of Valves
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Kuekenhahn, dessen Kueken durch Drehung einer mit dem Kuekenschaft verschraubten Buechse vor der OEffnungsbewegung von seinem Sitz im Gehaeuse abgehoben und nach der Schliessbewegung in den Sitz eingedrueckt wird