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A pressure relief valve for a fluid pressure system having a pressure vent. A body is aligned with and in fluid communication with the pressure vent, the body terminating in a cylindrical portion having a circular opening. A bonnet is in axial alignment with the circular opening and a central shaft

A pressure relief valve for a fluid pressure system having a pressure vent. A body is aligned with and in fluid communication with the pressure vent, the body terminating in a cylindrical portion having a circular opening. A bonnet is in axial alignment with the circular opening and a central shaft extends axially within the bonnet. The bonnet is stationary with respect to the body. A shroud, spaced from and entirely surrounding the bonnet, is axially aligned with the bonnet to allow unobstructed fluid flow in a space parallel to the central shaft between the bonnet and the shroud. The shroud is free-standing except for a radially extending flange attachable to the body. A spindle head disk extends radially from the shaft and has a circular edge seatable in the circular opening of the lip.

대표청구항 ▼

[ What is claimed is:] [1.] A pressure relief valve for a fluid pressure system having a pressure vent, which valve comprises:a. a body aligned with and in fluid communication with said pressure vent, said body terminating in a lip having a circular opening, said body detachably connected to said fl

[ What is claimed is:] [1.] A pressure relief valve for a fluid pressure system having a pressure vent, which valve comprises:a. a body aligned with and in fluid communication with said pressure vent, said body terminating in a lip having a circular opening, said body detachably connected to said fluid pressure system;b. a bonnet in axial alignment with said circular opening, a central shaft extending axially into said bonnet, said bonnet being stationary with respect to said body;c. a fluid tight shroud spaced from and entirely surrounding said bonnet, said shroud axially aligned with said bonnet and extending from said body to allow unobstructed flow in a space parallel to said central shaft between said bonnet and said shroud to a single top outlet opening in said shroud, said shroud being free-standing except for a radially extending flange attachable to said body;d. said body being detachable from said fluid pressure system and thereafter said shroud being reattachable to the fluid pressure system without said body; ande. a spindle head disk extending radially from said central shaft and having a circular edge seatable in said circular opening.