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TN-4 - Odorants in Plastic Fuel Gas Distribution Systems
TN-6 - Polyethylene Coil Dimensions
TN-7 - Nature of Hydrostatic Stress Rupture Curves
TN-11 - Suggested Temperature Limits for the Operation and Installation of Thermoplastic Piping in Non-Pressure Applications - Unavailable, currently under review. Contact PPI staff with questions
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-14 - Plastic Pipe in Solar Heating Systems
TN-15 - Resistance of Solid Wall Polyethylene Pipe to a Sanitary Sewage Environment Document under review and unavailable. Contact PPI staff with questions.
TN-16 - Rate Process Method for Projecting Performance of Polyethylene Piping Components
TN-17 - Crosslinked Polyethylene (PEX) Pipe & Tubing
TN-19 - Pipe Stiffness for Buried Gravity Flow Pipes 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-22 - PPI Guidelines for Qualification Testing of Mechanical Couplings for PE Pipes in Pressurized Water or Sewer Service- Unavailable, pending revisions.
TN-23 - Guidelines for Establishing the Pressure Rating for Multilayer and Coextruded Plastic Pipes. Document archived.
TN-26 - Erosion Study on Brass Insert Fittings used in PEX Piping Systems
TN-27 - Frequently Asked Questions: HDPE Pipe for Water Distribution and Transmission Applications - Unavailable, currently under revision. Contact PPI staff with questions
TN-28 - Guide to Differences in Pressure Rating PE Water Pipe between the ASTM and ISO Methods
TN-30 - Requirements for the Use of Rework Materials in Manufacturing of Polyethylene Gas Pipe
TN-31 - Differences Between PEX and PB Piping Systems for Potable Water Applications
TN-32 - UV Labeling Guidelines for PEX Pipes
TN-34 - was replaced MAB-02
MAB-02 - MAB Generic Electrofusion Procedure for Field Joining of 14 Inch to 30 Inch Polyethylene (PE) Pipe
TN-35 - General Guidelines Repairing Buried HDPE Potable Water Pressure Pipes - This document is no longer in publication and has been incorporated into the PPI Handbook of Polyethylene Pipe, Chapter 15.
TN-36 - General Guidelines for Connecting HDPE Potable Water Pressure Pipes to DI and PVC Piping Systems - This document is no longer in publication and has been incorporated into the PPI Handbook of Polyethylene Pipe, Chapter 9.
TN-37 - Standard Practice for Installation of Annular Corrugated Profile Wall Polyethylene Pipe for Agricultural Drainage or Water Table Control Unavailable; update planned after completion of ASTM F449 revisions. Contact PPI staff with questions.
TN-38 - Bolt Torque For Polyethylene Flanged Joints
TN-39 - Recommended Practices Regarding Application of Pesticides and Termiticides near PEX Pipes
TN-42 has been superseded by ASTM F3190
TN-43 - PE Compound Categorization for Potable Water Applications
TN-44 - Long Term Resistance of AWWA C906 Polyethylene (PE) Pipe to Potable Water Disinfectants
TN-45 - Mechanical Couplings for Joining Polyethylene - Document revision is underway, contact PPI staff with questions.
TN-46 a - Hydrostatic Universal Field Test Procedure
TN-47 - Polyethylene Resin Testing Requirements to Support ASTM D2513 UV Exposure Limits of Polyethylene Compound
TN-48 - Guidelines for Choosing Wall Thickness for HDPE Conduit Based on "Mini-HDD" (Horizontal Directional Drilling)
TN-49 - Recommendations for AWWA C901 Service Tubes in Potable Water Applications
TN-50 - Guide to Specifying HDPE Conduit
TN-51 - Polyethylene Pipe Butt Fusion Structure, Process, & Terminology
TN-52 - Guide to High-Temperature Applications of Non-Potable PEX Pipe and Tubing Systems
TN-53 - Guide to Chlorine Resistance Ratings of PEX Pipes and Tubing for Potable Water Applications
TN-54 - General Guidelines for Squeezing Off Polyethylene Pipe in Water, Oil and Gas Applications
TN-55 - Plastic Piping Materials for Geo Applications
TN-56 - Plastic Piping Materials Near Recessed Lighting Fixtures
TN-57 - Proper Integration of Copper Tubing and Components with PP-R Piping Materials for Plumbing Applications
TN-58 - HDPE Conduit and Duct Handling Guide
TN-59 - Comparison of HDPE Conduit and Fabric Divider Installed as Innerduct
TN-60 - Inspection of Plastic Pipes, Fittings and Joints Using Non-Destructive Test Methods and Evaluation
TN-61 - Coilable HDPE Conduit Ovality and Coil-Set
TN-62 - Suitability and Fitness of CPVC Piping Systems for Commercial Building Applications
TN-63 - Safe Pull Strength Calculations for Conduit NEW 2021!
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