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home►services►pipe freezing |
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Pipe Freezing
With our pipe freezing system, we create a frozen plug inside the pipeline.
Our service is suitable for use regardless of the nominal width, pipe material,
line pressure and temperature. Your considerable advantages:
Create a flow stop with following repair or modification
on the pipe behind the plug with low costs.
►[Back to Overview]
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Within our services we offer pipe freezing on pressured lines
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Our service concept of pipe freezing assists you ...
< in avoiding production loss
< in conceiving productive capacity
< in reducing energie loss
< in increasing plant safety
Pipe freezing is the ideal solution for modifications on pipes, where draining is not possible.
With our pipe freezing service these modifications can be accomplished online, without draining the pipe, in a safe and professional manner.
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Within our services we offer pipe freezing on pressured lines
Das Vereisen der betreffenden Rohrleitungsstelle geschieht mit flüssigem Stickstoff oder Kohlendioxyd. Eine passende, zweigeteilte Schalenkonstruktion wird um die Rohrleitung montiert und mit dem Frostmittel beaufschlagt. Die notwendige Menge an Stickstoff und damit verbunde Vereisungszeit ist abhängig von Nennweite, Medium und Betriebstemperatur der zu vereisenden Rohrleitung. Die Temperaturdifferenz an den Halbschalenenden gibt Auskunft über den Fortschritt der Vereisung.
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Pipe freezing process:
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1) pipe freezing with water at 200 bar
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2) shortly before the ice plug is built
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3) increase of pressure up to 255 bar |

4) after opening the pipe the plug holds
255 bar |
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Freezing of a water
conduit DN 200
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cut pipe with ice plug
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pipe with freezed sleeve
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Home►Services►Pipe Freezing |
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