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<p>ISO 18211:2016 specifies a method for long-range testing of carbon and low-alloy steel above-ground pipelines and plant piping using guided ultrasonic waves with axial propagation applied on the entire circumferential pipe section, in order to detect corrosion or erosion damage.</p>
<p>The guided wave testing (GWT) method allows for fast inspection of above-ground pipelines, plant piping and cased road crossings, giving a qualitative screening and localization of probable corroded and eroded areas. GWT is typically performed on operating piping systems.</p>
<p>ISO 18211:2016 is applicable to the following types of pipes:</p>
<p>a) above-ground painted pipelines;</p>
<p>b) above-ground insulated pipelines;</p>
<p>c) painted plant piping;</p>
<p>d) insulated plant piping.</p>
<p>NOTE Pipe sections within road crossings with external casings (without bitumen or plastic coating) are a special case of buried pipe where there is no soil pressure on the OD of the pipe. ISO 18211 :2016 applies to these cased road crossings.</p>
<p>Other types of pipes not included in the above list need dedicated approaches due to increased complexity.</p>
Reģistrācijas numurs (WIID)
83218
Darbības sfēra
<p>ISO 18211:2016 specifies a method for long-range testing of carbon and low-alloy steel above-ground pipelines and plant piping using guided ultrasonic waves with axial propagation applied on the entire circumferential pipe section, in order to detect corrosion or erosion damage.</p>
<p>The guided wave testing (GWT) method allows for fast inspection of above-ground pipelines, plant piping and cased road crossings, giving a qualitative screening and localization of probable corroded and eroded areas. GWT is typically performed on operating piping systems.</p>
<p>ISO 18211:2016 is applicable to the following types of pipes:</p>
<p>a) above-ground painted pipelines;</p>
<p>b) above-ground insulated pipelines;</p>
<p>c) painted plant piping;</p>
<p>d) insulated plant piping.</p>
<p>NOTE Pipe sections within road crossings with external casings (without bitumen or plastic coating) are a special case of buried pipe where there is no soil pressure on the OD of the pipe. ISO 18211 :2016 applies to these cased road crossings.</p>
<p>Other types of pipes not included in the above list need dedicated approaches due to increased complexity.</p>
