Designed for pipe diameters of 14 to 60 inches, all HYMAX large-diameter products (HLDs) require only four bolts to tighten compared to as many as 25 bolts for similarly sized couplings. Used for pipe section replacements, the couplings are simple to install, minimizing time in the ditch and helping improve worker safety.The bolts are top-facing, meaning that installers don’t have to dig under the pipe for space to tighten the bolts. There are only a pair of bolts to tighten on one side and then the other, and the installation is complete.

HLDs have an exceptional range of up to 2.1 inches and can connect pipes made of a variety of materials. Compared to other couplings, which are range-dedicated and limited to a single pipe size, installers have much greater flexibility to make repairs as they uncover pipes in the ditch. The couplings also feature a one-piece, stab-on design that’s simpler to install compared to designs that require assembling many different parts. These kinds of installations often lead to delays and complications such as losing bolts in the mud.

HLDs are a durable, long-term repair solution that can reliably withstand harsh ground conditions. They absorb post-installation dynamic pipe deflection of up to 4 degrees on each end, reducing the risk of damage and cracking due to ground shifts and temperature changes, and saving resources on constant future pipe repairs.

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