When it comes to restraining a water line, what comes to mind? Thrust blocks? Sure Stop 350® Gaskets? (locking gasket), TufGrip™ (wedge-action retainer gland), or maybe the standard default choice, TR Flex®? (Ductile iron restrained joint pipe). There is another option that might not regularly come to mind. It is known as Mechanical Joint Lock Joint or MJLJ for short. We will look at how the joint works, how it is installed, and locations where the MJLJ may be preferred.
The choice of materials in water infrastructure is crucial in ensuring the system's durability and reliability and influencing operational costs. Water and wastewater treatment plants are typically the largest energy consumers for municipalities, accounting for 30 to 40% of total energy consumption. To protect their systems from overload, energy companies must implement rolling blackouts during extreme weather. This #IronStrong Blog discusses the benefits of using Ductile iron pipe (DI pipe) in your utility water system and how its key advantages can save you money compared to other materials.
In a recent #IronStrong Blog published in September 2024, we discussed, in detail, how to measure horizontal distances between offsets within a Ductile iron (DI) pipeline segment. This blog will continue that discussion by addressing how to calculate the vertical distance between DI pipeline offsets.
Have you ever been asked what lining or coating your Ductile iron pipe material needs to have? Does all pipe in a water or sewer application system need some protective measure to keep the service life of the pipe constant? Ductile iron has been a reliable material for transporting water and wastewater nationwide for many years. Many variations of linings and coating have developed over time, but ceramic-enhanced epoxy and/or (porcelain enamel) glass linings have become the typically specified options. The remainder of this #IronStrong Blog compares these two protective lining options.
During a recent business trip, I noticed water being used randomly to combat the summer heat at various locations, construction sites, local sporting and recreational activities, fire safety, and public welfare. As I observed these activities, I wondered if the public understands how water gets from nature to human use and consumption. Most Americans can easily access a disinfected drinking water supply at home and the workplace. However, many do not know how public water treatment works before it reaches their glass. This year marks the 50th anniversary of the Safe Drinking Water Act, a federal law enacted in 1974 to protect drinking water quality in the United States. This act is crucial in ensuring that our water is safe and clean. To celebrate this milestone, I'm sharing this #IronStrong Blog, which explains water sources in general terms, the treatment of water, the public water distribution system, and the role Ductile iron pipe plays.
Ever wonder why zinc (Zn) is used for corrosion protection on Ductile iron pipe (DI pipe)? Or how thick the zinc coating is and how it is applied? Today we will answer those questions and cover when a zinc coating might be recommended.
Dear Ditch Doctor,
The county engineer is requesting that we dig up and replace sections of a newly installed Ductile iron pipeline as a result of comments or notations made by an internal video inspection camera operator. I've looked over the “issues” he's noted and can't for the life of me make out what he's talking about.
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Looking for answers to your DI pipe questions? Find decades of Ductile iron expertise with installation guides, videos, tip sheets, training resources, and more in our Learning Center.
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