Crack arrestor installation

Lesmana, D.S., September 2011. Stopped in it s track — crack arrestor installation in Indonesia. World Pipeline Magazine (Edition), http //www.energyglobal.com/magazines/issue.aspx seo=world-pipelines month=9 year=2011. 

Due to the crack nature of the defect and to prevent expansion/bulging and failure of the pipe on either side of the leak repair clamp, it was recommended to install within 1 m on either side of the clamp 12-in. crack arrestors. This will not prevent the pipe from continuing to crack, but if it does it will prevent rupture. It is very important that this region of the pipe is restrained as it will greatly help the complete function of the total repair (Lesmana, 2011) (Figure 6.20). 

The ease of installation makes the composite sleeve crack arrestor system effective. These units can be installed on the pipeline without the need to cut the pipe or for any... 

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