Keep clean water flowing and compliance intact while you fix the problem. Cryo Tech Pipe Freezing isolates sections of pipe without draining basins or shutting down treatment processes, ensuring safety, accuracy, and minimal disruption to operations.
Cryo Tech Pipe Freezing offers a safe and accurate way to isolate a section of pipe. This method is particularly useful for municipal and industrial water and wastewater plants when repairs are needed. This process eliminates the need to drain extensive lines, dewater basins, or take critical equipment offline. By utilizing liquid nitrogen and specialized freeze equipment, we create a solid, temporary ice plug. This ice plug effectively stops the flow of liquid. This allows your team to safely change valves, add tie-ins, or replace parts. We safely freeze pipes up to 36 inches in diameter on liquid-filled, no-flow lines. The result is less downtime, lower risk, and tighter control of schedule and cost.
Founded in 2017 by David Anderson, Cryo Tech aims to be the safest and most reliable choice for pipe freezing at a reasonable cost. We have been recognized as the top pipe freezing specialist in the Northeast. Today, we support water utilities and treatment operators throughout the United States. Expect experienced technicians, clean setups, methodical documentation, and steady communication in active plant environments.
Water and wastewater facilities carry a unique responsibility. Any interruption can affect customers, compliance, and environmental performance. Pipe freezing aligns with those priorities.
Isolate only what you need. Keep intake pumps, filters, clarifiers, and high service pumps online.
Avoid long drain and refill cycles that can disrupt turbidity, disinfectant residual, or effluent quality.
Preserve treated volumes in finished water and process loops. Reduce disposal and reheat time.
Plan overnight, weekend, or low-demand windows. Freeze, repair, and return to service on a clear timeline.
Job Hazard Analysis, method statements, and COI aligned with plant EHS and contractor onboarding.
Most water and wastewater lines are good candidates for freezing. For chemical feed lines such as sodium hypochlorite, alum, ferric chloride, or polymer, compatibility and concentration matter. Some feeds remain workable while others do not freeze reliably. We evaluate each case and only proceed when the science and the site conditions support a safe result. We do not introduce nitrogen into your process. The method is external, clean, and non-contaminating.
We review P&IDs, valve lists, or walk the space with your operations team. We confirm pipe size, medium, access, hold time, and the repair sequence that sets the outage length. If you need a bypass, we help plan it.
We align with LOTO plans, hot work permits where needed, plant access rules, and SCADA notifications.
You receive written procedures, freeze points, monitoring methods, a communication tree, and emergency considerations. Certificates of insurance and W-9 are provided on request.
Our technicians install specially designed freeze heads or jackets. They create a no-flow condition, set up barriers and mats, and protect nearby equipment and finishes.
We introduce liquid nitrogen and build the ice plug while monitoring temperatures, pressure behavior, and ambient conditions. We do not release the line until the plug demonstrates strength for your scope.
Your crew performs the valve change, tie-in, or component swap. A Cryo Tech technician remains on the freeze point and stays in constant communication with your lead.
We thaw the plug in a controlled manner, assist with venting, verify flow and leak checks, and support refill and balancing. We leave a clean area and a brief closeout note.
We discourage DIY freezing kits in treatment plants. Pipe metallurgy, wall thickness, fluid chemistry, and line orientation all affect plug behavior. Plant environments add heat loads and vibration that DIY gear cannot manage. Water and wastewater work also carries public health and environmental stakes. Industrial-grade equipment, redundant monitoring, and experienced judgment are non-negotiable. Our crews read the freeze accurately, adjust in real time, and protect your schedule and compliance.
Yes. The method is external and non-contaminating. We will confirm pipe condition, temperature, and required hold time during planning.
Sometimes. It depends on the chemical and concentration. We evaluate compatibility and will recommend alternatives if freezing is not appropriate.
No. When performed by trained technicians with proper equipment, the process is safe for standard piping materials. We assess conditions, supports, and loads before work begins.
As long as required for the planned repair, provided no flow is maintained, and conditions match the plan. We monitor continuously and adjust as needed.
Tell us your pipe size, medium, approximate length to isolate, number of freeze points, hold time, and location. Add photos if possible. We will return a clear plan and a firm number.
Cryo Tech Pipe Freezing
Safe isolation for water and wastewater plants without shutdowns.
Serving utilities across the United States.
