Pipe Preparation

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Pipe Purge System

Before welding of stainless steel pipes it is recommended to purge the pipe. Weld purging is the act of removing, from the vicinity of the joint, oxygen, water vapour and any other gases or vapours that might be harmful to a welding joint as it is being welded and immediately after welding.

Stainless steels, duplex steels, titanium-, nickel- and zirconium- alloys are sensitive to the presence of air, oxygen, hydrogen, water vapour and other vapours and gases that may combine with the hot metal as it is being joined.

DWT Pipe Purge System

Our pipe purge system is easy to pull through pipes and bends without tilting. The design of the system also guarantee that at least one disc holds tight and this will reduce both purging time and inert gas use. Typical purge time of less than 2 minutes (for example an 8” pipe will purge to below 0,01% Oxygen in less than 2 minutes).
Technical details / Advantages
  • Changable sealing discs
  • For ID 25 mm - 320 mm
  • Basic unit available in three lengths (120 mm , 150 mm, 200 mm)
  • Heat resistance: up to 320°C

Delivery scope:
  • Entrance and Exhaust disc
  • Basic Unit
  • 12 mtr. Stainless Steel Rope
  • 12 m Hose
  • Coupling

DWT Pipe Purge System
DWT Pipe Purge System

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Pipe Purge System ✓ High quality welds in pipes ✓ Protected for oxidation ✓ Changeable sealing discs ✓ 320°C heat resistance  ➠ LEARN MORE
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