Apparatus for opening and closing a fluid conduit

Details Apparatus for opening and closing a fluid conduit Apparatus for opening and closing a fluid conduit

F - Mech Eng,Light,Heat,Weapons

16

K

251/55

F16K 3/00 (2006.01) F16K 3/22 (2006.01) F16K 5/06 (2006.01)

Patent

CA 1088909

A B S T R A C T An apparatus for opening and closing a fluid conduit of the type which extends in a substantially vertical direction above an enclosure, the diameter of the enclosure being greater than the diameter of the fluid conduit. The fluid conduit or pipe includes a transverse slit to provide for movement of a shut-off valve therethrough to open and close the pipe, the fluid circulating through the fluid conduit having a tendency to escape through the transverse slit to the environment external to the pipe. Since it is desirable to hermetically seal the valve, a frame is provided which is completely integrated with the upper part of the enclosure and which is a prolongation of the walls of the enclosure. The frame provides a fluid- tight compartment which allows for hermetic sealing of the valve from the environment external to the pipe.

304717

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