Tension expander for plate fin coils

Details Tension expander for plate fin coils Tension expander for plate fin coils

B - Operations, Transporting

23

P

26/145

B23P 15/26 (2006.01) B21D 53/08 (2006.01)

Patent

CA 1320630

TENSION EXPANDER FOR PLATE FIN COILS ABSTRACT OF THE DISCLOSURE A method and apparatus for tension expanding a plate fin heat exchanger. The plate fin heat exchanger has prebelled hairpin tubes with the bells in contact with the upper tube sheet. The hairpin tubes are expanded one hairpin at a time and the upper tube sheet is gripped to receive the forces of expansion which are transmitted from the prebelled tube ends bearing against the tube sheet.

584911

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