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Hydrogen formation between carrier pipe and Type B sleeve

Hydrogen formation between carrier pipe and Type B sleeve

Hydrogen formation between carrier pipe and Type B sleeve

(OP)
thread338-343286: Hydrogen H2 under Type B steel repair sleeve - pipeline - Cathodic Protection CP

Earlier post asked the question. Since that post a reference to this issue was located. EXTERNAL CORROSION DIRECT ASSESSMENT FOR UNIQUE THREATS
TO UNDERGROUND PIPELINES. CONTRACT NO. DTPH56-06-T-0012, Report to PHMSA from CC Technologies in 2007. Page 42 illustrates the hydrogen formation. The more this issue is discussed the more opportunities to prevent its occurrence. -AWOL

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