IMPROVED HEAT EXCHANGER SEAL

摘要

A seal for use between two metal surfaces and allowing relative motion between the two surfaces during thermal cycling. The seal comprises a non-extrudable packing layer (12) adjacent to a first end of the seal assembly. The seal further comprises one or more elastomeric O-rings (15, 16) , one or more load distribution packing layers (12) , one or more braided plastic packing layers having elastomeric cores (14) , with a non extrudable packing layer (12) adjacent to a braided plastic packing layer (14) and disposed at a second end of the seal and, optional additional non extrudable packing layers (12) .