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Consensus on Best Tube Sampling Practices for Boilers & Nonnuclear Steam Generators (CRTD 103)

Editor
The Water Technology Subcommittee of the ASME Research and Technology Committee on Water and Steam in Thermal Systems
The Water Technology Subcommittee of the ASME Research and Technology Committee on Water and Steam in Thermal Systems
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ISBN:
9780791860359
No. of Pages:
32
Publisher:
ASME Press
Publication date:
2014

As a general rule, routine tube sampling is employed to assess the condition and cleanliness of tubes which are filled with steam/water mixtures during service. The primary objectives of routine tube sample collection are to measure the internal deposit weight per unit area and determine the deposit composition. This information is used to determine if a cleaning is required and can be used to assess the performance of the feedwater and boiler water treatment programs.

Sampling Frequency
Tube Sample Location for Routine Evaluation
Initial Deposit Weight Survey for Units with No Tube Sampling History
Deposit Analyses
Multiple Tube Samples
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