ASTM F2968/F2968M-21
Standard Specification for Crosslinked Polyethylene (PEX) Pipe for Gas Distribution Applications

Standard No.

ASTM F2968/F2968M-21

Release Date

2021

Published By

American Society for Testing and Materials (ASTM)

Latest

ASTM F2968/F2968M-21

Scope

1.1?This specification covers outside diameter controlled, metric-sized and inch-sized black or yellow crosslinked polyethylene (PEX) pipe, made in pipe dimension ratios ranging from 6 to 17, and pressure rated for gas distribution. Included are requirements and test methods for

ASTM F2968/F2968M-21 Referenced Document

• ASTM D1505 Standard Test Method for Density of Plastics by the Density-Gradient Technique
• ASTM D1598 Standard Test Method for Time-to-Failure of Plastic Pipe Under Constant Internal Pressure
• ASTM D1599 Standard Test Method for Resistance to Short-Time Hydraulic Failure Pressure of Plastic Pipe, Tubing, and Fittings
• ASTM D1600 Standard Terminology for Abbreviated Terms Relating to Plastics
• ASTM D1603 Standard Test Method for Carbon Black In Olefin Plastics
• ASTM D2122 Standard Test Method for Determining Dimensions of Thermoplastic Pipe and Fittings
• ASTM D2290 Standard Test Method for Apparent Hoop Tensile Strength of Plastic or Reinforced Plastic Pipe
• ASTM D2565 Standard Practice for Xenon-Arc Exposure of Plastics Intended for Outdoor Applications
• ASTM D2765 Standard Test Methods for Determination of Gel Content and Swell Ratio of Crosslinked Ethylene Plastics
• ASTM D2837 Standard Test Method for Obtaining Hydrostatic Design Basis for Thermoplastic Pipe Materials
• ASTM D4218 Standard Test Method for Determination of Carbon Black Content in Polyethylene Compounds By the Muffle-Furnace Technique
• ASTM D543 Standard Practices for Evaluating the Resistance of Plastics to Chemical Reagents
• ASTM D5596 Standard Test Method for Microscopic Evaluation of the Dispersion of Carbon Black in Polyolefin Geosynthetics
• ASTM D618 Standard Practice for Conditioning Plastics for Testing
• ASTM D792 Standard Test Methods for Density and Specific Gravity (Relative Density) of Plastics by Displacement
• ASTM F1041 Standard Guide for Squeeze-Off of Polyolefin Gas Pressure Pipe and Tubing
• ASTM F1563 Standard Specification for Tools to Squeeze-off Polyethylene (PE) Gas Pipe or Tubing
• ASTM F1948 Standard Specification for Metallic Mechanical Fittings for Use on Outside Diameter Controlled Thermoplastic Gas Distribution Pipe and Tubing
• ASTM F2657 Standard Test Method for Outdoor Weathering Exposure of Crosslinked Polyethylene (PEX) Tubing
• ASTM F2829/F2829M Standard Specification for Metric- and Inch-Sized Fittings for Crosslinked Polyethylene (PEX) Pipe
• ASTM F2897 Standard Specification for Tracking and Traceability Encoding System of Natural Gas Distribution Components (Pipe, Tubing, Fittings, Valves, and Appurtenances)
• ASTM F3373 Standard Specification for Polyethylene (PE) Electrofusion Fittings for Outside Diameter Controlled Crosslinked Polyethylene (PEX) Pipe
• ASTM F412 Standard Terminology Relating to Plastic Piping Systems
• ASTM F876 Standard Specification for Crosslinked Polyethylene (PEX) Tubing
• ISO 1167 Thermoplastics pipes for the conveyance of fluids - Resistance to internal pressure - Test method; Technical Corrigendum 1
• ISO 13477 Thermoplastics pipes for the conveyance of fluids - Determination of resistance to rapid crack propagation (RCP) - Small-scale steady-state test (S4 test)
• ISO 14531-1 Plastics pipes and fittings - Crosslinked polyethylene (PE-X) pipe systems for the conveyance of gaseous fuels - Metric series - Specifications - Part 1: Pipes
• ISO 14531-2 Plastics pipes and fittings - Crosslinked polyethylene (PE-X) pipe systems for the conveyance of gaseous fuels - Metric series - Specifications - Part 2: Fittings for heat-fusion jointing
• ISO 14531-3 Plastics pipes and fittings - Crosslinked polyethylene (PE-X) pipe systems for the conveyance of gaseous fuels - Metric series - Specifications - Part 3: Fittings for mechanical jointing (including PE-X/metal transitions)
• ISO 18553 Method for the assessment of the degree of pigment or carbon black dispersion in polyolefin pipes, fittings and compounds AMENDMENT 1

ASTM F2968/F2968M-21 history

• 2021 ASTM F2968/F2968M-21 Standard Specification for Crosslinked Polyethylene (PEX) Pipe for Gas Distribution Applications
• 2020 ASTM F2968/F2968M-20a Standard Specification for Crosslinked Polyethylene (PEX) Pipe for Gas Distribution Applications
• 2020 ASTM F2968/F2968M-20 Standard Specification for Crosslinked Polyethylene (PEX) Pipe for Gas Distribution Applications
• 2014 ASTM F2968/F2968M-14a Standard Specification for Black Crosslinked Polyethylene (PEX) Pipe, Fittings and Joints For Gas Distribution Applications
• 2014 ASTM F2968/F2968M-14 Standard Specification for Black Crosslinked Polyethylene 40;PEX41; Pipe, Fittings and Joints For Gas Distribution Applications