Technical Reports

• TR-9 Recommended Design Factors for Pressure Applications of Thermoplastic Pipe Materials - Unavailable, currently under revision. Contact PPI staff with questions
• TR-11 Resistance of Thermoplastic Piping Materials to Micro- and Macro-Biological Attack
• TR-18 Weatherability of Thermoplastic Piping Systems
• TR-19 Chemical Resistance of Plastic Piping Materials
• TR-22 Polyethylene Plastic Piping Distribution Systems for Components of Liquid Petroleum Gases
• TR-30 Investigation of Temperatures Attained by Plastic Fuel Gas Pipe Inside Service Risers
• TR-33 Generic Butt Fusion Joining Procedure for Polyethylene Gas Pipe. Document archived by PPI
• TR-41 Generic Saddle Fusion Joining Procedure for Polyethylene Gas Piping
• TR-45 Butt Fusion Joining Procedures for Field Joining of Polyamide 1
• TR-49 Generic Electrofusion User Guide for Field Joining of Polyethylene Gas Piping
• TR-55 Historical Review of Pressure Rating Methods for PE and PEX Pipe in Gas Applications

Technical Notes

• TN-4 Odorants in Plastic Fuel Gas Distribution Systems
• TN-6 Polyethylene Coil Dimensions
• TN-13 General Guidelines for Butt, Saddle and Socket Fusion of Unlike Polyethylene Pipes and Fittings. Document under review and unavailable; contact PPI staff with questions.
• TN-20 Special Precautions for Fusing Saddle Fittings to Live PE Fuel Gas Mains Pressurized on the Basis of a 0.40 Design Factor
• TN-21 PPI PENT Test Investigation
• TN-30 Requirements for the Use of Rework Materials in Polyethylene Gas Pipe
• TN-47 Polyethylene Resin Testing Requirements to Support ASTM International D2513 UV Exposure Limits of Polyethylene Compound
• TN-51 Polyethylene Pipe Butt Fusion Structure, Process, & Terminology
• TN-54 - General Guidelines for Squeezing Off Polyethylene Pipe in Water, Oil and Gas Applications

Technical Information

• Comparison of Procedures Between ASTM F2620 & PPI TR-33
• Proper Specification of HDPE pipe for Oil & Gas Applications
• PE Pipe Squeeze-off (GTI-Cosmol 2016)
• Plastics Pipe Institute: Comparison of ASTM International D-2513 Editions: '99 vs. '09a
• ASTM International D-2513 Comparison of 1999 vs. 2009 Editions Summary

Material Handling Guide

• Material Handling Guide for HDPE Pipe & Fittings

Model Specifications

• MS-2 Model Specification for Polyethylene Plastic Pipe, Tubing and Fittings for Fuel Gas Distribution Systems - Document under review and unavailable; contact PPI staff with questions
• MS-4 - Model Specification For Polyamide 11 (PA-11) Plastic Pipe, Tubing and Fittings for Fuel Gas Distribution Systems
• MS-9 Model Specification for Polyamide 12 (PA-12) Plastic Pipe, Tubing & Fittings for Fuel Gas Distribution Systems

Recommendations & Statements

• Recommendation D - Recommended Color Coding for Loose (non-captive) Insert Stiffeners for Use with Mechanical Fittings on Polyethylene Pipe - Document under review and unavailable; contact PPI staff with questions
• Statement G - Indented Markings
• Statement S - Caution Statement on Heat Fusion Methods of Polyethylene Pipe and/or Fittings of Similar Colors
• Statement V - Recommended Color Code for Solid Wall Plastic Pipe and Conduit
• Statement W - Position Statement on Improved Material Categories for Polyethylene Pressure Pipe - Archived

Pipe Design Codes

• New PE Pipe Material Designation Codes

Presentations

• Learn more about Composites
• Tracking & Traceability Primer