Patent ID: 9664290
Date: 2017-05-30
CPC Classifications: F16K,Y10T

Claim:
1. An apparatus comprising: a valve body defining a fluid flow passageway between an inlet and an outlet; a cage disposed in the fluid flow passageway; a plug disposed in the cage; a retainer collar coupled at an end of the plug, the retainer collar includes a first transverse bore and the plug includes a second transverse bore, a fastener disposed in the first and second transverse bores to couple the plug and the retainer collar, an exterior surface of the retainer collar including a first engagement surface having a first non-circular cross-section; and an anti-rotation collar coupled at an end of the cage, the anti-rotation collar having a second engagement surface defining an aperture to receive the retainer collar, the aperture having a second non-circular cross-section, the engagement surfaces to interact to inhibit rotation of the retainer collar and the plug, the retainer collar defines a groove into which a seal is to be disposed, the first transverse bore intersects the groove at an opening of the first transverse bore.