The AVT EZ Valve, an insertion valve, can be used within a range of applications across many industries such as oil refineries and water utility networks. Learn more on the AVT Industries & Applications page: 




Our composite repairs and innovative inline insertion valves help keep pipelines up and running without introducing hot work, environmental contamination or excessive downtime.CSNRI’s industry-leading composite products repair corrosion and erosion damage, cracks, dents, wrinkle bends, and structural damage, reinforcing pipelines and restoring them to maximum allowable operating pressure (MAOP). Our systems conform to ASME PCC-2,…


Petrochem & Refinery

Piping integrity within petrochemical plants and refineries is critical to effectively managing process safety, environmental hazards, and business risks. Critica Infrastructure’s CSNRI process piping solutions are the most robust in the industry, addressing the full spectrum of plant and refinery repair conditions from -50º F (-46º C) to 550º F (288º C). Our emergency leak…


Pipeline & Distribution

Critica Infrastructure introduced the industry to composite technology for pipeline and transmission line repairs and continues to raise the bar for performance. Initially, we applied our technology as a crack arrestor on high-pressure pressure CO2 lines, enriched natural gas pipelines, and other transmission lines that are susceptible to long-running cracks. Based on the success of…


Tanks & Terminals

Critica Infrastructure’s experience with tank and terminal repairs covers a range of issues, including sealing pipeline cracks and leaks, the installation of inline insertion vales when water shut off is not possible, roof repairs, berm and containment area protection, and restoring the integrity of bund wall connections. Our specialized products address a broad range of…


Water Utility & Wastewater

Critica Infrastructure offers a range of products and services designed specifically to meet the needs of the Water Utility & Wastewater industries.CSNRI offers the industry’s most complete suite of composite repair solutions for restoring and maintaining water pipelines, enabling safe, reliable operations in compliance with state and federal regulations.AVT’s inline insertion valve, the EZ Valve,…


Insertion Valve Solutions for Mechanical Contractors

Mechanical contractors who are responsible for the heating or cooling systems, refrigeration, piping, HVAC, and plumbing of a building regularly need to install valves on in-situ water lines. The AVT EZ Valve is installed without shutting off the water and is the ideal option for this application.

Insertion Valve Solutions for Mechanical Contractors
Fire Hydrants and how Insertion Valves aid repair

In many cases repairs to fire hydrants are postponed as shutting off their water supply would lead to local businesses and homes also losing their water supply. This leaves authorities with the balancing act of ensuring hydrants are operational, while not disrupting their communities.

Fire hydrant
Industrial and Mechanical Solutions

Refineries, tank farms, process plants, and many other industrial and mechanical operations require a constant supply of running water. If a break or leak occurs or a piece of equipment fed by water, such as booster pumps, require repair or maintenance, many times, operations must be halted.

Oil and gas refinery
Addition of Control Points

Many water networks are decades old and when originally created, were not designed to handle the new infrastructure. This issue affects thousands of communities around the world and in many cases, water companies choose to insert new valves to create control points around their networks.