Heat-Exchanger-Tube-Inspection
- The Heat Exchanger Inspection article provides you with information about the inspection of the heat exchanger and heat exchanger testing during the manufacturing phase, as well as in-service inspection in operating units.
Shell and Tube Heat Exchanger Inspection
- The construction code for shell and tube heat exchangers is ASME Code Section VIII, and it covers the minimum requirements for design, materials, fabrication, inspection, testing, and preparation for initial delivery.
- After the 2003 addenda of ASME Code Section VIII Div. 1, the design of the shell and tube heat exchanger needs to be done based on Subsection C, in UHX part. The design based on TEMA, or any similar code might be accepted which meeting the requirements of UHX part.
- The heat exchanger still is a pressure vessel and all requirements for ASME pressure vessel does apply for heat exchanger as well. We are going to avoid to repeat those requirements for the heat exchanger. You may review pressure vessel inspection article for those requirements.
List of Heat-Exchanger-Tube-Inspection
- 1. Tube Inspection.
- 2. Tube Bundle Inspection
- 3. Tubesheet Inspection
- 4. Tube Rolling Inspection
- 5. Leak Testing of Seal Weld (Tube to Tubesheet).
- 6. Shell side Hydrostatic Testing
- 7. Tubeside Hydrostatic Testing
Shell and Tube Heat Exchanger Application
- Shell and Tube heat exchangers are the most popular type in the industry. This type is made from 3 components as listed below:
- 1. Two heads (one rear head, and the other one stationary head)
- 2. Shell
- 3. Tube
In-Service Inspection of Shell and Tube Heat Exchanger
- The In-Service Inspection code for shell and tube heat exchangers is API STD 510. The other API recommended practices and codes also have to be used in with this Code.
- Some of these Recommended Practices are API RP 572, API RP 577, and API RP 571, and also construction code sections might be used, such as ASME Code Section VIII and ASME Code Section IX.
- For repair, the requirement of API STD 510 or ASME-PCC-2 needs to be met. The title of ASME-PCC-2, which was first published in 2006, is: “Repair of Pressure Equipment and Piping.”
The Important Items in the Shell and Tube Heat Exchanger Inspection in Overhaul?
- 1. Shell and Structure in Heat Exchanger Inspection:
- * Bonnet in Heat Exchanger Inspection
- * Tube Bundle in Heat Exchanger Inspection
- * Channel in Heat Exchanger Inspection
- * Channel Cover in Heat Exchanger Inspection
- * Floating Head Inspection:
- * Expansion Joint Inspection
METALLURGICAL TESTING SERVICES
- Metal Testing(chemical Analysis-wet)
- Spectro Analysis(Metal Testing- Spectro)
- Ores Testing
- Ferro Alloy Testing
- Minerals Testing
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- Mechanical Testings
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- Hardness Testing
- Microstructure
- PMI Testing
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- corrosion Testing
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- welder Qualification Testing
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