ASME Code Case 181

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(e) Data is recorded in unprocessed form. A complete data set with no gating,filtering, or thresholding for response from examination volume in para. (a)above shall be included in the data record.(f) Personnel performing and evaluating UT examinations shall be qualifiedand certified in accordance with their employer's written practice. ASNT SNT-TC-lA or CP-189 shall be used as a guideline. Only Level II or III personnelshall analyze the data or interpret the results.Charlie Chong
Charlie Chong(e) Data is recorded in unprocessed form. A complete data set with no gating,filtering, or thresholding for response from examination volume in para. (a)above shall be included in the data record.
Page 1 and 2: ASME Code Case on Use of Alternativ
Page 3 and 4: Charlie Chong/ Fion Zhang
Page 5 and 6: Charlie ChongB31 CASE 181-1CASES OF
Page 7 and 8: ASME B31.3344.6 Ultrasonic Examinat
Page 9 and 10: 344.6.2 Acceptance Criteria. A line
Page 11 and 12: (c) The ultrasonic examination shal
Page 13 and 14: Charlie ChongThe qualification bloc
Page 15 and 16: T-434.1.2 Material.(a) Similar Meta
Page 17 and 18: Flaw size shall be no larger than t
Page 19 and 20: Charlie ChongGENERAL NOTES:(a)t = t
Page 21 and 22: Charlie ChongTABLE 2FLAW ACCEPTANCE
Page 23: Charlie Chong(d) The ultrasonic exa
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Page 29 and 30: Charlie Chong(2) Geometric. Ultraso
Page 31 and 32: Charlie Chong(c) Alternatively, oth
Page 33 and 34: (b) Multiple Flaws(1) Discontinuous
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Page 39 and 40: Charlie Chong(d) With the owner’s
Page 41 and 42: ASME B31.1- 346 RECORDS346.2 Respon
Page 43 and 44: Charlie ChongB31 Case 181-2Original
Page 45 and 46: 344.6.2 Acceptance Criteria. A line
Page 47 and 48: Charlie Chong4) Examinationa)The in
Page 49 and 50: Charlie Chong5) Data RecordingData
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Charlie ChongStored valves shall be
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(b) Category M Fluid Service: a flu
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1.0 Valve BodyThe valve body, somet
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5 Valve Certification and Retesting
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Charlie Chong/ Fion Zhang
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Charlie Chong/ Fion Zhang
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ASME Code Case 181

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