McWane Ductile’s TR Flex® Restrained Joint Ductile Iron Pipe and Fittings are manufactured in 4-inch through 36-inch sizes. The pipe and fittings are boltless, allowing quick, simple installation without special wrenches or tools, and utilize a factory welded spigot bead and internal locking segments in a special bell to provide positive restraint while maintaining joint flexibility.

The fittings are rated for 350 psi up through 24-inch and rated for 250 psi in 30-inch and 36-inch sizes. These products provide very high end-pull strength making them ideal for special installations such as casings, bridge, and other aerial crossings, horizontal Directional Drilling (HDD), and pipe bursting.

McWane Ductile’s TR Flex fittings are available as non-domestic only.