PolyPipe is one of the largest manufacturers of polyethylene pipe for gas distribution and the only nation-wide manufacturer of bimodal PE2708 PolyTough1 manufactured from Dow® …

This module provides information pertaining to fusion of bimodal MDPE pipe and will show that it is fused using the same procedures as other bimodal HDPE pipe as well as unimodal MDPE …

For nearly 50 years, PolyPipe has been producing polyethylene pipe products to serve the energy industry. In fact, PolyPipe was born in the middle of the Texas energy boom of 1970s and has …

The results of this study indicate that it is possible to standardize on a single set of butt fusion parameters that can be used for fusing most of the polyethylene gas pipe and municipal and …

POLYTOUGH1™ is a high performance medium density gas distribution pipe that provides the highest resistance to Slow Crack Growth (SCG) and Rapid Crack Propagation (RCP) currently …

POLYTOUGH1TM is a high performance medium density gas distribution pipe that provides the highest resistance to Slow Crack Growth (SCG) and Rapid Crack Propagation (RCP) currently …

The integrity and versatility of the joining techniques used for polyethylene (PE) pipe allow the designer to take advantage of the performance benefits of PE in a wide variety of applications.

This rule includes an increase in the Design Factor from 0.32 to 0.40 for all pipes meeting the minimum wall thickness requirements in 192.121. This section also limits design pressure to …

This section outlines the Butt Fusion Procedure, per ASTM F2620, Standard Practice for Heat Fusion Joining of Polyethylene Pipe and Fittings and PPI TR-33, Generic Butt Fusion Joining …

The purpose of this technical report is to provide important information available to PPI on a particular aspect of polyethylene pipe saddle fusion to engineers, users, contractors, code …