ASTM F877-24

This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the
Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
Designation: F877 − 24 An American National Standard
Standard Specification for
Crosslinked Polyethylene (PEX) Hot- and Cold-Water
1
Distribution Systems
This standard is issued under the fixed designation F877; the number immediately following the designation indicates the year of original
adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A superscript
epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope* standard does not purport to address all of the safety concerns,
if any, associated with its use. It is the responsibility of the user
1.1 This specification covers requirements, test methods,
of this standard to establish appropriate safety, health, and
and marking requirements for system components when tested
environmental practices and determine the applicability of
with nominal SDR9 crosslinked polyethylene (PEX) tubing as
regulatory limitations prior to use.
a system. Systems are intended for 100 psi (0.69 MPa) water
1.5 This international standard was developed in accor-
service up to and including a maximum working temperature
dance with internationally recognized principles on standard-
of 180 °F (82 °C). Requirements and test methods are included
ization established in the Decision on Principles for the
for materials, workmanship, dimensions and tolerances, burst
Development of International Standards, Guides and Recom-
pressure, hydrostatic sustained pressure, excessive temperature
mendations issued by the World Trade Organization Technical
and pressure, corrosion resistance, and thermocycling tests.
Barriers to Trade (TBT) Committee.
The components covered by this specification are intended for
use in, but not limited to, residential and commercial hot and
2. Referenced Documents
cold potable water distribution systems or other applications
2
2.1 ASTM Standards:
such as reclaimed water, fire protection, municipal water
D618 Practice for Conditioning Plastics for Testing
service lines, building supply lines, radiant heating and cooling
D1598 Test Method for Time-to-Failure of Plastic Pipe
systems, hydronic distribution systems, snow and ice melting
Under Constant Internal Pressure
systems, geothermal ground loops, district heating, turf
D1599 Test Method for Resistance to Short-Time Hydraulic
conditioning, compressed air distribution, and building ser-
Pressure of Plastic Pipe, Tubing, and Fittings
vices pipe.
D1600 Terminology for Abbreviated Terms Relating to Plas-
3
1.2 The text of this specification references notes, footnotes,
tics (Withdrawn 2024)
and appendixes which provide explanatory material. These
D2749 Symbols for Dimensions of Plastic Pipe Fittings
notes and footnotes (excluding those in tables and figures) shall
D2837 Test Method for Obtaining Hydrostatic Design Basis
not be considered as requirements of the specification.
for Thermoplastic Pipe Materials or Pressure Design Basis
for Thermoplastic Pipe Products
1.3 The values stated in inch-pound units are to be regarded
F412 Terminology Relating to Plastic Piping Systems
as standard. The values given in parentheses are mathematical
F876 Specification for Crosslinked Polyethylene (PEX) Tub-
conversions to SI units that are provided for information only
ing
and are not considered standard.
F1807 Specification for Metal Insert Fittings Utilizing a
NOTE 1—Suggested hydrostatic design stresses and hydrostatic pressure
Copper Crimp Ring, or Alternate Stainless Steel Clamps,
ratings for tubing and fittings are listed in Appendix X1. Design,
for SDR9 Cross-linked Polyethylene (PEX) Tubing and
assembly, and installation considerations are discussed in Appendix X2.
An optional performance qualification and an in-plant quality control SDR9 Polyethylene of Raised Temperature (PE-RT) Tub-
program are recommended in Appendix X3. For additional information on
ing
the use of PEX tubing for high-temperature non-potable applications and
F1960 Specification for Cold Expansion Fittings with PEX
for chlorinated potable water, see PPI Technical Notes 52 and 53,
Reinforcing Rings for Use with Cross-linked Polyethylene
respectively.
(PEX) and Polyethylene of Raised Temperature (PE-RT)
1.4 The following safety hazards caveat pertains only to the
Tubing
test method portion, Section 7, of this specification: This
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
1
This specification is under the jurisdiction of ASTM Committee F17 on Plastic contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
Piping Systems and is the direct responsibility of Subcommittee F17.61 on Water. Standards volume informati
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