The 24”-60” plugs are the largest in the I-Series line, featuring the safety and durability of innovative robotic technology Cherne’s I-Series Test Plugs provide improved performance and safety ...
In many ways, not much has changed since Lloyd Cherne (pronounced CHER-nee) constructed his first rubber test plug in his suburban Minneapolis garage in 1953. Since then, plumbers have been using ...
TINLEY PARK, IL — As part of a project that lasted a year and a half, The Metropolitan Water Reclamation District of Greater Chicago (MWRD) performed structure rehabilitation and pipelining along ...
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