Dual purpose closure for heat exchangers

Details Dual purpose closure for heat exchangers Dual purpose closure for heat exchangers

1984-08-17

1986-01-14

Cline, William R.

Heat exchange

Casing or tank enclosed conduit assembly

Manifold formed by casing section and tube sheet of assembly

165154, F28F 926

Patent

active

045640653

ABSTRACT:
Closures for double pipe and hairpin-type heat exchangers that permits opening the tube side of the closure without losing the shell side fluids or seal. A threaded thrust ring is positioned between the shell side flange and the tube side flange and integrally connected with the tube sheet. Each connection bolt through the flange has a shoulder or threads interconnecting with the thrust ring for applying a force to maintain the seal between the shell side flange and the tube sheet.

REFERENCES:
patent: 2520755 (1950-08-01), Brown
patent: 3079992 (1963-03-01), Otten et al.
patent: 4156457 (1979-05-01), Murray
patent: 4208529 (1980-06-01), Murray

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