Installation example

Installation example

Installation example

Installation example

Installation example

Installation example

Installation example

Installation example

Removal example

Removal example

Removal example

Removal example

Example of Parallel configuration set-up

Example of Parallel configuration set-up

Example of Serial configuration set-up

Example of Serial configuration set-up

Benefits of low oxygen level during welding

Benefits of low oxygen level during welding

Challenge

Challenge

Valkyrie ™ – Back gas system

IK’s “Valkyrie ™ ” system is a specialised Back-Gas Shield weld purging system, which has been specially designed for confined weld purging operations in larger pipelines. Easy and safe operation and efficient recovery after operation

Challenge

  • Welding operation JSR bridges hook up spools
  • Pipe size range: 2” – 24”
  • Requirement for purging system to be retrieved from 1” threadolet
  • Removal after welding operation
  • Suitable combined with golden welds

Conventional methods

Conventional seal purging systems require pipe openings for extraction of the system after welding operation

Water Soluble products:
Rice paper
Liquifilm
Purgedams
Foam pigs

  • Flushing of the pipeline required
  • External purge hose to inject gas required, without possibility of recirculating the gas after the first layer of weld.
  • Risk of remaining materials/debris inside the pipe.
  • Limited weld quality

Valkyrie ™ – Back gas system equipment

BackGas system. Specialized Purge gas system for welding operations. Full retrieval through minimum 1” Threadolet

  • Gas Purge system for welding operations
  • The system is design for local removal applications
  • Allows retrieval through 1” threadolet (ID: 28 mm)
  • Pipe range/size: 2 – 24 inch (other sizes on request)
  • Full retrieval of all materials avoids the need of flushing the pipeline after welding operation.
  • Well suited for golden weld applications (no introduction of water)
  • No drying operation required
  • 3 different systems developed and verified:
    • IK-PurgePro BackGas System™
    • IK-Valkyrie BackGas PurgeDam System™
    • IK-Valkyrie BackGas PurgeShield System™

 

Contact for this product is:


Peter Bjørnsen: Department Manager Field Service - IK Norway
T: +47 51 44 32 09     eMail: