Valve assembly useful for cryogenic applications
AssigneeITT Manufacturing Enterprises, Inc.
InventorsIgor Berkovitz, Yoel Hadar
Life of this patent
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Abstract
A valve assembly includes a cartridge that includes a handle coupled to a stem and journaled in a bonnet coupled to an upper end of the stem, and a cage assembly coupled to a lower end of the stem and the bonnet. The cartridge is insertable through an upper end of a valve body, and the bonnet is securable to the upper end of the valve body by means of bonnet bolts. The cage assembly includes an off-set C-ball, which includes a curved face which is coupled to a rotatable C-frame and which is arranged to seal against a curved seat. Rotation of the stem rotates the off-set C-ball to permit or block flow through the cage assembly.
Claims9
A valve assembly comprising:
- a cartridge that comprises a handle coupled to a stem and journaled in a bonnet coupled to an upper end of said stem, and a cage assembly coupled to a lower end of said stem and said bonnet;
- wherein said cartridge is insertable through an upper end of a valve body, and said bonnet is securable to the upper end of said valve body by means of bonnet bolts;
- and
- wherein said cage assembly comprises an off-set C-ball, which comprises a curved face which is coupled to a rotatable C-frame and which is arranged to seal against a curved seat which is located in a cage, and wherein rotation of said stem rotates said off-set C-ball to permit or block flow through said cage assembly.
Dependencies are inferred from the claim text.