| 摘要 |
A valve trim assembly for use with fluid valves is disclosed comprising a cage, and a seal assembly to be positioned in a plug. Further the seal assembly comprises a first seal and a first scraper, wherein the first seal is to provide a load to the first scraper to prevent the ingress of contaminate to a dynamic sealing surface to be engaged by the first seal, a second seal and a second scraper, wherein the second seal is to provide a load to the second scraper, and a spacer between the first and second seals. |
