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|국가/구분||United States(US) Patent 등록|
|발명자 / 주소||
|출원인 / 주소||
|대리인 / 주소||
|인용정보||피인용 횟수 : 4 인용 특허 : 11|
A valve trim apparatus for use with valves is described. An example valve trim apparatus includes a cage having an upper portion removably coupled to a lower portion. A closure member is disposed within the cage and has a first seating surface and a second seating surface. A seal assembly is fixed between the upper and lower portions of the cage. The first sealing surface of the closure member sealingly engages the seal assembly when the closure member is in a closed position to prevent leakage between the closure member and the cage.
1. A valve trim apparatus for use with valves, comprising: a cage having an upper portion removably coupled to a lower portion;a closure member disposed within the cage, the closure member having a first seating surface formed by a first portion of the closure member adjacent a first end of the closure member and a second seating surface formed by a second portion of the closure member adjacent a second end of the closure member opposite the first end, wherein the first portion is larger than the second portion, and wherein the first and second seating s...