Control regulator having a rolling diaphragm

Details Control regulator having a rolling diaphragm Control regulator having a rolling diaphragm

F - Mech Eng,Light,Heat,Weapons

16

K

137/39.1

F16K 31/126 (2006.01) F16K 7/18 (2006.01) F16K 47/08 (2006.01) G05D 16/16 (2006.01)

Patent

CA 1250794

ABSTRACT OF THE DISCLOSURE A rolling diaphragm regulator valve is affixed in a globe type valve body and includes a non-stretchable fabric reinforced liner for covering and uncovering, by rolling action in response to changes in pressure in a control chamber, a plurality of slots in a baffle positioned between the valve body inlet and outlet. An axially movable spring- biased nose cone, mounted behind the diaphragm, provides a surface over which the diaphragm is draped for controlling substantially all movement of the diaphragm. A travel indicator is operable by movement of the nose cone to provide a visual indi- cation of the position of the valve.

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