Case Studies

HYMAX LARGE DIAMETER (HLD) accommodates oval pipe – East Greenbush, N.Y.

May 27, 2018

HYMAX Large-diameter HLD couplings can accommodate different sizes of pipe and were especially helpful in East Greenbush, N.Y., where the pipes were not perfectly round. This case study appeared in Water & Waste Digest - May 2018

HYMAX COUPLING – San Francisco bay area (SFWPS)

November 6, 2017

Drinking water service in the SF bay area was disrupted when underground repairs on subway tunnels collapsed a road, damaging a 100 year old main pipe. The repair team chose the 12” HYMAX coupling because it allowed the team to work efficiently, repairing the mains supply and the street, with minimal costs. The HYMAX coupling provided three major benefits for SFWPS...

HYMAX Grip Swiveljoint – Myrtle Beach, S.C.

July 2, 2017

The city of Myrtle Beach, S.C., (approx. 27,000) is a beach resort, and this number increases during the summer. Dean Roughton has been working for the city’s public works for 15 years and currently serves as a crew supervisor responsible for water pipe repairs. The city wanted to install a 12"-by-6" tapping sleeve with a new valve and to replace a section of 6" asbestos-cement pipe with the new 6" C-900 PVC...

4″ HYMAX VERSA – Cave Creek, Arizona

January 2, 2016

The Water and Wastewater Department for the town of Cave Creek, Ariz., serves 5,004 customers in a community just north of Phoenix. Water Superintendent Dennis Charles has worked for the town of Cave Creek since 2007. He and his team provide 24-hour support for repairs. A collar connecting two classes of asbestos cement (AC) pipe of different diameters cracked and started to leak...

HYMAX Coupling: Haines City, FL

December 23, 2015

A cable company bore into the ground within a residential area in Haines City, and hit a 10-inch gravity sewer pipe causing it to break. When Haines City utility foreman James Coker and his team arrived, they started by contracting out the excavation of the pipe which was 12 feet deep. The break was significant enough that the damaged pipe had to be cut out and replaced with polyvinyl chloride (PVC) pipe joined to the clay pipe with couplings at each end...

Hymax Large Diameter – Racine, Wis.

December 2, 2015

Maintenance was required oמ three isolation water valves that controlled three mains within the main pit. Racine Water Utility installed two 30-inch HYMAX HLD couplings to connect each end of the ductile iron replacement pipe (32" OD) to cast iron pipes (32.74 OD) on either side.ץץ