Fisher Controls International LLC

Lucas J Schmitt

Steven Keith Hostetter

Aaron Anderson

Daniel Martin Adams

Lisa Marie Miller

Lisa Miller

Methods, apparatus, systems, and articles of manufacture of valve packing apparatus and related methods are described. An apparatus includes a cartridge including packing components and a spring. The cartridge is dimensioned to fit in a bore of a bonnet of a valve. A cap is coupled to the cartridge to retain the packing components and the spring. The cap is to compress the packing components and the spring to a predetermined load in response to the cartridge being fastened to the bonnet of a valve.

Valve packing apparatus and related methods

The present disclosure includes a retaining ring for a valve plug assembly. The retaining ring includes a first ring portion having an inner surface with a central axis extending along a circumference of the first ring portion, and a rib disposed on the inner surface of the first ring portion and offset from the central axis. The retaining ring also includes a second ring portion having an inner surface with a central axis extending along a circumference of the second ring portion, and a rib disposed on the inner surface of the second ring portion and offset from the central axis. The second ring portion is coupled to the first ring portion such that each of the ribs disposed on the inner surfaces of the first and second ring portions are configured to mate with a groove of a valve plug.

Retaining ring and method of manufacture

Methods, apparatus, systems, and articles of manufacture of valve packing apparatus and related methods. An apparatus includes a cartridge including packing components and a spring. The cartridge is dimensioned to fit in a bore of a bonnet of a valve. A retainer is disposed in an aperture of the cartridge. The retainer is removable from the aperture to release the spring to apply a predetermined compressive load to the stack of packing components.

A flow control device has a valve body having an inlet, an outlet, and a flow path connecting the inlet and the outlet and a unitary trim cartridge assembly secured to the valve body. The trim cartridge assembly has a cage disposed in the flow path, a bonnet coupled to the cage, and a retaining element disposed between the cage and the bonnet. The cage includes an exterior groove formed on an exterior surface of the cage, the bonnet includes an interior groove formed on an interior surface of the bonnet, and the retaining element extends into the interior groove and the exterior groove. A height of the interior groove and/or a height of the exterior groove is greater than a height of the retaining element to allow the cage to move longitudinally within the bonnet with the bonnet and cage assembled.

Flow control device and trim cartridge assembly for a flow control device

A flow control device includes a valve body having an inlet, an outlet, and a flow path connecting the inlet and the outlet. A cage is disposed in the flow path, and a bonnet is coupled to the cage and includes a portion overlapping with a portion of the cage. A retaining ring is disposed between the cage and the bonnet. The retaining ring includes an interior side, an exterior side, and a cavity formed between the interior and exterior sides.

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Conrad, IA, United States of America

Lucas J Schmitt