United Poly Systems, LLC recently became the first manufacturer to achieve NSF International certification to UL Standard 651A for polyethylene electrical conduit pipe, according to a press release.
The Plastics Pipe Institute, Inc. (PPI), a trade association representing all segments of the plastic pipe industry, recently published a user document for handling high-density polyethylene (HDPE) ...
Calling all utilities and contractors. The Plastics Pipe Institute Inc. is looking to unearth new data about the longevity of high density polyethylene conduit with help from long-term end users who ...
The Plastics Pipe Institute, Inc., (PPI), has released a new, free software tool that aids in determining the most appropriate wall thickness of high-density polyethylene (HDPE) conduit to be ...
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