Standard Specification for Crosslinked Polyethylene (PEX) Pipe for Gas Distribution Applications
STANDARD published on 1.9.2024
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Designation standards: ASTM F2968/F2968M-24
Publication date standards: 1.9.2024
The number of pages: 11
Approximate weight : 33 g (0.07 lbs)
Country: American technical standard
Category: Technical standards ASTM
This specification covers the requirements and corresponding test methods for outside diameter controlled, black metric-sized and IPS-sized crosslinked polyethylene (PEX) pipe, fittings and joints, made in pipe dimension ratios ranging from 6 to 17, and pressure rated for gas distribution. Included are requirements and test methods for material, workmanship, dimensions, burst pressure, hydrostatic sustained pressure, stabilizer functionality, bent-pipe hydrostatic pressure, degree of crosslinking, chemical resistance, and squeeze-off. Requirements for pipe and fittings markings are also provided, along with quality assurance. The pipe, fittings and joints covered by this specification are intended for buried gas distribution pressure piping applications. Several tables list the PEX pipe material designation codes; metric-sized outside diameters and tolerances for PEX pipe; inch-sized outside diameters and tolerances for PEX pipe; metric-sized wall thickness and tolerances for PEX plastic pipe; inch-sized wall thickness and tolerances for PEX plastic pipe; and pipe category.
Keywords:
crosslinked polyethylene, gas distribution, HDB, hydrostatic stress, metric, PEX, pipe, PPI, pressure,, ICS Number Code 23.040.20 (Plastic pipes),23.100.40 (Piping and coupling),91.140.40 (Gas supply systems)