DFC Tank Pressure Vessel Manufacturer Co., Ltd.
What are the methods of ultrasonic testing in surge tank nondestructive testing?
Jun 06, 2017
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Ultrasonic testing of surge tank includes diffraction time difference ultrasonic testing (TOFD), recordable pulse reflection ultrasound and non-recordable pulse reflection ultrasound.

The conditions for compliance with surge tank for hydraulic tests
(1) No leakage;
(2) No visible deformation;
(3) No abnormal sound during the test.