| 摘要 |
A seal assembly is provided for a joint between a first pipe segment and a second pipe segment. The seal assembly has at least one primary sealing member mounted on the first flange and at least one supplemental sealing member mounted on the first flange between the first pipe segment and the at least one primary sealing member. A first sealed containment area is formed between the at least one primary and at least one supplemental sealing members when the sealing members are compressed. A plurality of conduits are formed in the first flange. A first supply conduit is located between the at least one primary sealing member and the at least one supplemental sealing member and a return conduit is located so that the at least one primary sealing member is positioned between the supply conduit and the return conduit.
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