Effective pipe freezing can keep the pipes from leaking, ensuring their good health

Pipe Freezing

Pipe freezing is a technique is that is used to improve and repair the condition of the pipelines from leakage and other problems. Through the pipe-freezing process, the exterior of the pipe is cooled down for a certain period to let the fluid completely solidify. The frozen pipe separates a section of the pipe, so the technicians can perform their tasks smoothly.

Pipe freezing can be a very convenient procedure when there is no option available to repair the pipes, especially when they are filled with liquids. Pipe freezing services can do their job in remote areas because an individual pipeline can get isolated using the pipe-freezing technique. With this technique, you won’t have to shut the entire pipeline, but only the area that needs to be repaired. Pipe freezing is very effective form small diameter pipes, but if you want to freeze much wider pipes, let’s say 150mm or bigger, you may need some additional equipment to carry on the procedure.

Pipe freezing: Cautions

To perform the method, the temperature of the pipeline must be bought down to its freezing point of the fluid it contains. So, you will need some type of refrigerant and have to handle that accordingly or you will end up damaging the pipe even more.

The most popular method to do this is to apply liquid nitrogen into the pipeline and wait for the liquid to freeze. Again it should be reminded that you have to choose the refrigerant according to the liquid the pipeline contains and the material of the pipeline itself. So, it is quite evident that the technicians will use different coolers to freeze different types of liquid without freezing the exterior of the pipe too much. If the coolant is strong enough to freeze the pipeline itself or freeze the materials of the pipe to its breaking point, you will have to deal with bigger problems.

After the cooling starts to become effective, the contained liquid will start to freeze and will create an ice plug. This ice plug restricts the rest of the fluid in the pipe from flowing, which provides the technicians with a window of opportunity to make the repair or certain modifications.

Pipe Freezing: Advantages

  • Pipe freezing creates a temporary plug that prevents the liquid from flowing to do the necessary modifications
  • The pipe-freezing method is considered to be quite convenient as it doesn’t require drainage
  • There’s no need for the whole system to shut down
  • Pipe freezing is not only effective but one of the fastest method for treating pipe leakage
  • One of the subtlest advantages of pipe freezing is that it doesn’t harm the pipeline during work on progress

Pipe freezing: Capabilities

  • Pipe freezing technology is best suited for carbon-based steel, galvanized steel, stainless steel, and cast iron
  • The method works perfectly with a pipe of 48” or lower diameter
  • Pipe freezing can be done on various water-based liquids
  • The maximum operating pressure is 5000PSI

Pipe Freezing: Applications

  • Installing the valves
  • Replacing the pipes
  • Isolating certain equipment
  • Terminating pipe branches
  • Pipe diversion
  • Abandoning faulty pipes
  • Installing meters

Pipe freezing: Pipe contents

  • Water
  • Acid
  • Paints
  • Alcohol
  • Oil
  • Coolants

Inserting the valves

Valve insertion is considered one of the modern engineering technologies where a valve is inserted directly into a pipeline without much human effort. This is also considered as one of the safest and convenient methods with no system interruptions.

Location: Singapore

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