LU57086A1LU57086ALU57086ALU57086A1LU 57086 A1LU57086 A1LU 57086A1LU 57086 ALU57086 ALU 57086ALU 57086 ALU57086 ALU 57086ALU 57086 A1LU57086 A1LU 57086A1
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LU
Luxembourg
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LU57086A
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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
F16K5/20—Special arrangements for separating the sealing faces or for pressing them together for plugs with spherical surfaces
F16K5/201—Special arrangements for separating the sealing faces or for pressing them together for plugs with spherical surfaces with the housing or parts of the housing mechanically pressing the seal against the plug