| 摘要 |
A sealing system (200) includes a packing element (225) having a groove (230) in a surface thereof. The packing element is adapted to form a double hump configuration upon compression. The sealing includes a first ring member (205A) disposed at a first end of the packing element, a second ring member (205B) is disposed at a second end of the packing element, a first seal ring (210A) is disposed laterally outward of the first ring member (205A), and a second seal ring (210B) is disposed laterally outward of the second ring member (205B). A first inner back-up ring (270A) is disposed laterally outward of the first seal ring (210A). The first inner back-up ring (270A) includes slots (255). A first outer back-up ring (250A) is disposed adjacent the first inner back-up ring (270A) and includes slots, wherein that slots in the first outer back-up ring are offset from the slots in the first inner back-up ring. |
