Machine welded spherical obturators for rotary plug valves

Details Machine welded spherical obturators for rotary plug valves Machine welded spherical obturators for rotary plug valves

F - Mech Eng,Light,Heat,Weapons

16

K

26/162, 251/54

F16K 5/16 (2006.01) F16K 27/06 (2006.01) F16K 27/10 (2006.01)

Patent

CA 1048479

MACHINE WELDED SPHERICAL OBTURATORS FOR ROTARY PLUG VALVES ABSTRACT OF THE DISCLOSURE The invention relates to machine welded obturators of generally spherical shape for equipping rotary plug valves. These obturators are composed of a central tube and an envelope formed by two hemispherical segments of pressed sheet metal which are truncated by two planes perpendicular to their diametral plane and which are welded on the one hand to one another in a diametral plane passing through the axis of the tube and through the axis of rotation and on the other hand, to two ends of the central tube, and at its outer surface, in a plane parallel to its diametral plane, each segment carries a sealing bearing or a seal in a groove.

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