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Pipe freeze is a method to freeze the content of a section of a pipe by applying cryogenic freezing agent in a controlled manner. Once the targeted area is well frozen, maintenance works can be carried out without having to drain out the entire pipe content.

This technique has been used on pipelines of various industries and buildings, process plants and pipelines containing water based medium.


  1. It act as a temporary plug to stop the flow for modification work
  2. Convenient - no need for drainage of entire pipeline
  3. Flexible - no need for system shutdown
  4. Time saving - shortened system downtime
  5. Cost effective - minimized labour and resources requirement
  6. Reliable and efficient methodology
  7. No damage to pipe during freezing process


  1. Pipe material: Suitable for various pipe materials including carbon, galvanised, stainless steel and metal pipes
  2. Pipe diameter: Up to 48”
  3. Pipe medium: Suitable for various water based Mediums
  4. Maximum operating pressure: 5,000 psi
  5. Maximum operating temperature: ±80°C
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