Pipe Freezing Systems

Accu-Freeze™ Automatically Controlled Liquid Nitrogen Pipe Freezing Systems

HFT Pipestoppers® Accu-Freeze™, the controlled liquid nitrogen (LN2) pipe freezing system is a method to freeze stationary liquids in a selected section of a pipe or tubing. It is the World’s only patented, digitally controlled pipe freezing system thus allowing you to accurately and safety create an ice plug. By controlling the surface temperature of the pipe, Accu-Freeze® can safely and accurately form an in-line ice plug, capable of withstanding 138 bar (2000 Psi) in pipes up to 12″ (300 mm diameter). 

Qwik-Freezer™ Portable CO2 Pipe Freezing Systems

HFT Pipestoppers® Qwik-Freezer™ Pipe Freezing Equipment uses liquid carbon dioxide (CO2) to freeze stationary water in any chosen sections of pipe or tubing. By producing very low ‘dry ice’ temperatures, Qwik- Freezer® forms a secure in-line ice plug.

Both Accu-Freeze™ and Qwik-Freezer™ products temporarily isolate liquid in systems to allow repairs or modification to be made easily without draining or closing down whole systems. 

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