Valves

Details Valves Valves

F - Mech Eng,Light,Heat,Weapons

16

K

137/90

F16K 3/00 (2006.01) F16K 11/065 (2006.01) F16K 27/02 (2006.01)

Patent

CA 1074661

ABSTRACT OF THE DISCLOSURE A valve construction, particularly a three-way, two- position valve which may be used by itself to control fluid flow, or which may be used as a pilot valve to control operation of a larger valve. The valve comprises a cartridge which may be install- ed within or removed from the bore of a valve body as a unit. The cartridge unit comprises a valve plunger, a plurality of sim- ilar glands, and a plurality of similar separators carried by the plunger, with static seals on the glands and dynamic seals between separators, and a spring for urging the plunger to a predetermined position, The cartridge unit is held within a body bore by means of a cartridge nut which is threaded into one end of the bore. The nut has one end bearing against a separator at one end of the cartridge unit and presses a separator at the other end of the unit against a fixed abutment in the bore, so that axial move- ment of the plunger does not cause separation of the glands and separators.

282559

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