Heat exchange – Non-communicating coaxial enclosures
Patent
1983-07-29
1986-03-04
Davis, Jr., Albert W.
Heat exchange
Non-communicating coaxial enclosures
2851331, 285368, 165143, F28F 926
Patent
active
045735271
ABSTRACT:
Disclosed is a heat exchanger closure connection for establishing a shell side closure between the heat exchanger tubes and the shell and a tube side closure for establishing a connection between the tubes and a tube end extension. The shell includes an outwardly extending shell closure flange having a sealing surface. The tube includes an outwardly extending tube closure flange having axially spaced apart first and second seal surfaces. A first seal ring is positioned between the sealing surfaces of the shell closure flange and the first seal surface of the tube closure flange. A split ring is retained in a groove in the tube closure flange intermediate the first and second seal surfaces thereof. A locking flange is positioned about the tube closure flange in engagement with the split ring to transmit axial forces to the split ring and tube closure flange in the direction of the shell closure flange. Bolts or the like are provided for urging the locking flange toward the shell closure flange. The tube end extension tube includes an outwardly extending tube end closure flange having a sealing surface positioned adjacent the second sealing surface of the tube closure flange. A second seal ring is positioned between the tube end closure flange sealing surface and the tube closure flange sealing surface. A set of bolts or the like are provided for independently urging the tube end closure flange toward the locking flange.
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Bocchetti Mark
Davis Jr. Albert W.
Reiter Bernard A.
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