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Case Study: South Carolina Water Utility Streamlines Pipe Repairs With Krausz USA’s HYMAX 2 Coupling

After years of experience using different couplings, South Carolina’s Grand Strand Water & Sewer Authority has found that HYMAX couplings are the most reliable and easiest to install. Just ask Mark Edwards, the utility’s repair supervisor.

In early 2017, Edwards was alerted to a broken asbestos-cement (AC) pipe, most likely resulting from a ground shift during cold winter weather. The pipe required a section to be cut out, replaced with polyvinyl chloride pipe, and connected with two 8-in. couplings.

Edwards decided to connect the AC pipe with Krausz USA’s HYMAX 2 coupling. A new version of the original HYMAX, the HYMAX 2 has a no-tear flip gasket that can be adjusted to fit larger and smaller pipe diameters, ensuring efficient installation.

Read the complete case study in Journal AWWA's May Innovation Profile.

The HYMAX 2’s no-tear flip gasket allows installers to more efficiently install and adjust the gasket’s size as required

 

 

 

 

 

 

 

 

Consider Krausz USA's HYMAX 2 Coupling


WHY HYMAX 2?

The HYMAX 2 offers many features that helped Edwards make the repair.

HYMAX’s reputation. After years of experience using different repair couplings, Edwards has found that HYMAX couplings are the most reliable and easiest to install.

Ease of installation and increased safety. The product’s no-tear flip gasket allows installers to more efficiently install and more easily adjust the size of the gasket as required. The HYMAX 2 has only two top-facing bolts to tighten, allowing Edwards’ crew to install the coupling quickly without digging under the pipe for space to tighten the bolts. With fewer bolts to tighten, crews spend less time in the ditch, thereby minimizing safety risks.

Exceptionally wide range. The HYMAX 2 has an exceptional range of 1.3 in. and can connect pipes for a variety of different materials. Compared with other couplings, which are range-dedicated and limited to a single pipe size, the HYMAX 2 has much greater flexibility, allowing installers to make repairs as they uncover pipes in a ditch.

High durability. The HYMAX 2 is durable and offers a long-term repair solution. The coupling can absorb post-installation dynamic pipe deflection of up to 4 degrees on each end to absorb pressure on a pipe because of ground shift and changing temperatures. Such deflection helps reduce the risk of damage and cracking while saving resources on future pipe repairs. The patented hydraulically assisted gasket features two-stage sealing: mechanical sealing effective under vacuum or nonpressure, and a self-inflated gasket that uses water pressure.

Cost savings. The HYMAX 2 suits a wide range of pipe diameters, replacing the need to use dedicated products and reducing inventory costs and shelf space.

Check out the videos below to learn more about the HYMAX 2!

HYMAX 2 Next Generation Coupling

HYMAX 2 Installation

 

 

Want to learn more?

Want your team to learn more about the HYMAX 2? Fill out the form below and a sales representative will contact you, plus you’ll be entered in a drawing to win a Fire 7 Tablet with Alexa, Amazon’s most-popular tablet! A product specification sheet and product installation instructions are also available online.




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