Keep your plant running while safely isolating pipework for maintenance or modifications.
Need to work on your water-based piping systems without shutting down your plant? Hydratight’s pipe freezing service lets you isolate sections quickly and safely. Our specialists create a temporary ice plug in the pipe, allowing maintenance, valve replacements, or modifications with minimal disruption.
Avoid draining or venting your system, reduce operating costs, and maintain full control. With Hydratight’s experienced team and specialist equipment, you can trust your water-based lines are handled safely, efficiently, and with precision - so your plant stays productive and compliant.
Pipe Freezing Service: Discover what makes it reliable, efficient, and optimized to your project needs.
Creates a secure ice plug to halt flow while protecting your system.
Continue operating your plant while we complete maintenance downstream.
Avoids system draining, venting, or refilling, saving time and money.
Eliminates unnecessary emissions and fluid losses.
Our specialists manage every stage with precision and experience.
Works on multiple fluids and pipe sizes up to 24” NPS.
Plan
We assess your system, line contents, and isolation requirements
Setup
A freezing jacket is installed around the pipe section to be isolated.
Freeze
Liquid nitrogen circulates through the jacket to form a solid ice plug.
Maintain
Work can be done safely while the plug isolates flow.
Resume
The plug melts naturally and returns the system to normal operation
With decades of global experience in online leak sealing, hot bolting, and hot tapping, we deliver safe, reliable, and fully certified live repair solutions. Our MorSafe™ and MorSeal™ systems are independently verified by DNV, Lloyd’s, and TÜV, ensuring every repair meets the highest standards. We maintain operations without shutdowns, provide full engineering assurance with traceable documentation, and offer a leak-free guarantee, giving you complete confidence in every live service modification.
Oil & Gas
Petrochemical
Power Plants
Nuclear
Learn how our solutions keep operations safe, efficient, and productive.
Discover what our clients say about the quality, reliability, and results we deliver.
Their testimonials showcase the trust and confidence we bring to every project we undertake.
Hydratight delivered our objective leading to leak free start-up of the plant by implementing best practices, using the right equipment, employing trained and highly competent people, and managing all these effectively using a locally based team.
Construction Director at Oil & Gas Solutions Provider
The objective of using Hydratight was to achieve a leak free start-up and it was achieved. We have no hesitation to record their commendable performance and recommend them on other requiring bolted joints management.
Turnaround Manager
at Petrochemical Company
The Hydratight personnel executed their on-site machining duties with skill, professionalism, flexibility and cooperation at all times. Their bolt tensioning personnel completed the de-tensioning, inspection, and tensioning of all of the ANSI 2500...
Shutdowns and Maintenance Manager, Petroleum Company
Hydratight’s solution to our problem was professionally handled and implemented quickly… production could continue without output being compromised, while the leak was permanently rectified.
Director of Operations, Total E&P Congo
“We tasked you with a difficult application and timeline. Even though we did not have to perform the work, you had everything ready and tested.
Maintenance Manager, Nuclear Power Plant (US)
