CH567218A5CH796274ACH796274ACH567218A5CH 567218 A5CH567218 A5CH 567218A5CH 796274 ACH796274 ACH 796274ACH 796274 ACH796274 ACH 796274ACH 567218 A5CH567218 A5CH 567218A5
Authority
CH
Switzerland
Application number
CH796274A
Original Assignee
Peters Ag Claudius
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Filing date
Publication date
Application filed by Peters Ag ClaudiusfiledCriticalPeters Ag Claudius
Publication of CH567218A5publicationCriticalpatent/CH567218A5/xx
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
F16K5/12—Arrangements for modifying the way in which the rate of flow varies during the actuation of the valve