Ultrasonic method of testing a plate heat exchanger for leakage

Details Ultrasonic method of testing a plate heat exchanger for leakage Ultrasonic method of testing a plate heat exchanger for leakage

1998-10-20

2000-04-04

Larkin, Daniel S.

Measuring and testing

With fluid pressure

Leakage

73 407, 73 492, 73 40, G01M 322, G01M 324

Patent

active

060446927

ABSTRACT:
A vessel such as a dairy pasteuriser having a path B for product and a separate path A for coolant in intimate relationship is tested for leaks by circulating a donor fluid under pressure in path A whilst a recipient fluid such as clean tap water is circulated in path B. The donor fluid is a gas, and leakage is detected using an ultrasound probe.

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patent: 4550688 (1985-11-01), Zuber et al.
patent: 5710377 (1998-01-01), Youngquist et al.
Fels, W., "Schnellnachweis von Plattendurchbruchen bei Warmeaustauschern", Molkerei-Zeitung Welt der Milch, 1985, vol. 39, No. 21, pp. 601-603.

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