F - Mech Eng,Light,Heat,Weapons – 16 – K
Patent
F - Mech Eng,Light,Heat,Weapons
16
K
251/54
F16K 5/20 (2006.01) F16K 5/06 (2006.01) F16K 27/06 (2006.01)
Patent
CA 1170639
ABSTRACT The plug valve comprises a valve body presenting a cylindrical extension provided with inner angularly equispaced longitudinal cogs. Into the cylindrical extension there is inserted a connector sleeve provided on its outer surface with angularly equispaced longitudinal cogs, so that the connector member can be shifted axially but cannot rotate at the interior of the cylindrical extension. The connector sleeve thus inserted is axially blocked by means of a ring nut which is screwed onto an external threading of the cylindrical extension. The connector sleeve carries at its inner end an annular packing which is caused to adhere in a tight manner against the spherical plug of the valve, while another similar annular packing is housed in the valve body, on the opposite side of the spherical plug. The spherical plug is rotated into its open or closed condition by means of a control stem passing through a transverse bore obtained in the valve body and coupled to the spherical plug by means of a groove and rib coupling.
388812
Marks & Clerk
Tubaro Bruno
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