A-LOk Premium- The first Installation of the newest A-lok watertight pipe to manhole connector

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Source: A-Lok Products, Inc.

This is a story about  the very first installation of the newest  A-Lok product,

The A-LOK “Premium”, pipe to manhole connector for stormwater and sanitary containment systems.This connector has the ability to change shape as the outside diameter of the pipe changes shape. This happens when the liquid filled core material inside the A-LOK Premium redistributes itself to maintain sealing pressure. This new level of flexibility will also allow for easier pipe installation in the field and  will accept a wider range of pipe diameters than ever before. This means less equipment/mandrels will be needed for casting them into a concrete structure. The stormwater job pictured was located on Delaware Creek in Toledo ,Ohio. Watertight connectors were chosen over grouting to speed up the installation.One very interesting fact about this job was the 42' pipe made by Independent Concrete Pipe had a outside diameter of 51.25'. This is the very largest OD sugessted for the #1640 Premium Connectors cast into the manholes made by Mack Industries of Toledo.However, the extra flexibility of the A-LOK Premium made the installation of the pipe by contratctor E.F. Zeiler simple and quick, requiring minimal force.Since this first successful installation in July of 2009 many more have been done throughout the US and Canada.

 

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