New! Insertion Valves for GAS Lines!
Take a look at Successful Field Trials of the EZ™ Valve-NG! The EZ™ Valve insertion valve system, originally designed for water, sewage and manufacturing use, has been adapted to provide a new valve solution for the gas distribution industry.
Barbados Waste Water Problem Solved Fast by AVT Crew
A 20-inch sewage line was in need of immediate attention. AVT prepped and tested an EZ™ Valve, shipped the equipment and crew 2,604 miles, and performed a one-day install (AVT’s part being only about five hours) to fix a major problem. This successful project was completed in a 10-day turn-around from the first call for help.
AVT Featured in Water and Wastes Digest
20" Installation in Texas
Successful 20" (500mm) EZ™ Valve installation for the U.S. Army at the Fort Bliss Military base in El Paso, Texas.
24" EZ™ Valve on Spiral Welded Pipe
Another successful 24" EZ™ Valve Installation, this time on Spiral Welded pipe in Wilson, North Carolina. Installation performed by GOC South.
EZ™ Valve is Now UL Certified!
As of November 7, 2014, the EZ™ Valve passed the UL testing and is now certified. This makes the EZ™ Valve the only insertion valve in the world to be UL listed and certified.
EZ™ Valve Compatible with A/C Pipe
Successful Asbestos Concrete (A/C) installation in Texas, adding yet another pipe material with which the EZ™ Valve works.
Challenging EZ™ Valve Installation
The need for a vertical EZ™ Valve installation calls for some creative thinking.
EZ™ Valve in Tasmania
12" (300 MM) EZ™ Valve install in Tasmania performed by AVT Australia.
Team Insert Valves - Don't Fall Into The Trap
Debris will tend to collect in a recess and render a valve useless over time. Experienced water professionals have recognized this design flaw for decades.
Thank You Hydra Tech Inc.!
AVT Would like to thank Hydra Tech Inc. for making the EZ™ Valve their insertion valve of choice for almost 550 successful installations! Here's to 550 more, guys.
14" (350mm) is Now on the Market. A New First for AVT and Hydra Tech!
An over 100 year old water main in Malden, Massachusetts gets the first - and second 14" (350mm) EZ™ Valve installations.
Historic Vacation Spots Have Water Emergencies Too
A water main on picturesque Mackinac Island needed emergency work and Advanced Valve Technology was given the task. There was something very special about this 10" (250mm) EZ™ Valve insertion valve project -- tools, crew, valve fittings and support components needed to step back in time and use the methods of a bygone era.
Record Breaking 24" (600mm) Installation
Advanced Valve Technologies, Inc. announces that we have recently installed 24” (600mm) EZ™ Valves on one of the main feeder lines for Ponca City, OK. All three installations were completed in 3 days - a new World Record for the installation of multiple, large range EZ™ Valve insertions.
Simple Fix Makes Steel Pipe Insertions Possible
This special sleeve is welded to a 16" (400mm) steel OD pipe to match the 17.40" OD of Ductile Iron pipes (442mm). The sleeve allows us to use our standard gaskets rather than having to create custom gaskets!
AVT at ACE!
Best by Design! AVT featured at ACE 2016.

Latest News!

AVT Performs EZ Valve Installations, Worldwide.
AVT Performs EZ Valve Installations, Worldwide.
8" (200mm) EZ valve installation on cast Iron pipe. The pipe was approximately 80 years old and was the main feed for the water treatment plant for Ingweiler, France.
Another Successful 20-Inch Bubble-Tight Shutdown
Another Successful 20-Inch Bubble-Tight Shutdown
Everybody involved with the project was very happy with the EZ™ Valve install that Francois Houle and Chris Murphy completed in Magog, QC.
United Water Installation
United Water Installation
10" (250mm) EZ™ Valve fully installed (by United Water) in well under 2 hours.
Emergency Installation in Indiana
Emergency Installation in Indiana
An emergency 8" (200mm) EZ™ Valve installation in rural Indiana reveals massive tuberculation. The EZ™ Valve's resilient wedge gate powers through this obstacle as though it wasn't there. Creating a bubble tight seal and allowing vital line work to be completed.

When Hydra Tech, Inc. (out of Sterling, Massachusetts) was contacted by Everett J. Prescott Company, they were looking for a solution to isolate a transmission main running through a major thoroughfare in Malden, Massachusetts. Being experienced installers of many EZ™ Valves, EJP, the City and their engineers decided this would, once again, be the right tool for the job. As they did not own the larger size EZ Valve equipment EJP decided to hire Hydra Tech to perform the installs.

The 14” (350mm) size of this more-than-a-century-old pipe was, at the time, not yet available through Advanced Valve Technologies, Inc. Never one to shy away from a challenge, AVT decided to round out their line of products and begin producing the 14” (350mm) EZ™ Valves. Once all the valve components were manufactured, and rigorously tested at AVT's Elk Grove Village, IL facility, they were delivered to Hydra Tech, Inc. for installation. This was an approximately 8-10 weeks for delivery.

The delicate position of the main and the advanced age of the existing shut-off valves made this line nearly impossible to close down, should there be any installation problems, so all eyes were on the EZ™ Valve installation crew. Despite being the first time the two crews had performed a 14" (350mm) installation, both companies realized that anything short of perfection was not an option.

Hydra Tech’s crew, President and Owner of Hydra Tech - Don Smith Jr., crew foreman, Brendan Smith and Chris Murphy from AVT, Inc. all performed their jobs flawlessly and after just two, 4.5 hour days, the installations were complete with two 100% seals achieved!

The Engineers overseeing the job told Don Smith Jr. of Hydra Tech, "You guys are awesome, it could not have gone better!"

These two successful EZ installs bring, Hydra Tech’s total number of successful EZ™ Valve installs to 537 in under 5 years!

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Find Out How EZ™ Valve Works!

Advanced Valve Technologies' insertion valves/line stopping equipment are designed and developed by professionals for professionals. Service contracts are performed by highly experienced technicians with real-world know-how. Click the link above to find out more!