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This standard practice involves testing all pipeline coatings, including coatings on in-service pipelines and new or replacement coatings. High-voltage electrical inspection of pipelines coatings is one commonly used method in the detection of defects. Presented in this standards are acknowledged techniques for the use of holiday detectors currently used on pipeline coatings. A table of minimum testing voltages for various coating thicknesses is provided, as well as guidance for testing voltages, grounding, condition of coating surfaces, and care of equipment.

Product Details

Published:

10/28/2011

ISBN(s):

1575900645

Number of Pages:

8

File Size:

1 file , 130 KB

Redline File Size:

2 files , 330 KB