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Publication of BE678965ApublicationCriticalpatent/BE678965A/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
F16K27/00—Construction of housing; Use of materials therefor
F16K27/06—Construction of housing; Use of materials therefor of taps or cocks
F16K27/062—Construction of housing; Use of materials therefor of taps or cocks with conical plugs
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
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
F16K5/14—Special arrangements for separating the sealing faces or for pressing them together
F16K5/16—Special arrangements for separating the sealing faces or for pressing them together for plugs with conical surfaces
F16K5/162—Special arrangements for separating the sealing faces or for pressing them together for plugs with conical surfaces with the plugs or parts of the plugs mechanically pressing the seal against the housing