ASTM F877-18
(Specification)Standard Specification for Crosslinked Polyethylene (PEX) Hot- and Cold-Water Distribution Systems
Standard Specification for Crosslinked Polyethylene (PEX) Hot- and Cold-Water Distribution Systems
ABSTRACT
This specification covers requirements, test methods, and methods of marking for crosslinked polyethylene plastic hot- and cold-water distribution systems components made in one standard dimension ratio. Components are comprised of tubing and fittings intended for use in residential and commercial, hot and cold, potable water distribution systems as well as sealed central heating, including under-floor heating systems. Requirements and test methods are included for materials, workmanship, dimensions and tolerances, burst pressure, sustained pressure, excessive temperature and pressure, temperature cycling tests, and bend strength. Also included are tests related to system malfunctions.
SCOPE
1.1 This specification covers requirements, test methods, and marking requirements for system components when tested with nominal SDR9 crosslinked polyethylene tubing as a system. Systems are intended for 100 psi (0.69 MPa) water service up to and including a maximum working temperature of 180 °F (82 °C). Requirements and test methods are included for materials, workmanship, dimensions and tolerances, burst pressure, sustained pressure, excessive temperature and pressure, and thermo-cycling tests. The components covered by this specification are intended for use in residential and commercial, hot and cold, potable water distribution systems or other applications such as municipal water service lines, radiant panel heating systems, hydronic baseboard heating systems, snow and ice melting systems, and building services pipe.
1.2 The text of this specification references notes, footnotes, and appendixes which provide explanatory material. These notes and footnotes (excluding those in tables and figures) shall not be considered as requirements of the specification.
1.3 The values stated in inch-pound units are to be regarded as the standard. The values stated in parentheses are provided for information only.
Note 1: Suggested hydrostatic design stresses and hydrostatic pressure ratings for tubing and fittings are listed in Appendix X1. Design, assembly, and installation considerations are discussed in Appendix X2. An optional performance qualification and an in-plant quality control program are recommended in Appendix X3.
1.4 The following safety hazards caveat pertains only to the test method portion, Section 7, of this specification: This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.
1.5 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.
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Designation:F877 −18 An American National Standard
Standard Specification for
Crosslinked Polyethylene (PEX) Hot- and Cold-Water
1
Distribution Systems
ThisstandardisissuedunderthefixeddesignationF877;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginal
adoption or, in the case of revision, the year of last revision.Anumber in parentheses indicates the year of last reapproval.Asuperscript
epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope* 1.5 This international standard was developed in accor-
dance with internationally recognized principles on standard-
1.1 This specification covers requirements, test methods,
ization established in the Decision on Principles for the
and marking requirements for system components when tested
Development of International Standards, Guides and Recom-
with nominal SDR9 crosslinked polyethylene tubing as a
mendations issued by the World Trade Organization Technical
system. Systems are intended for 100 psi (0.69 MPa) water
Barriers to Trade (TBT) Committee.
service up to and including a maximum working temperature
of 180 °F (82 °C). Requirements and test methods are included
2. Referenced Documents
for materials, workmanship, dimensions and tolerances, burst
2
2.1 ASTM Standards:
pressure, sustained pressure, excessive temperature and
D618 Practice for Conditioning Plastics for Testing
pressure, and thermo-cycling tests. The components covered
D1598 Test Method for Time-to-Failure of Plastic Pipe
by this specification are intended for use in residential and
Under Constant Internal Pressure
commercial,hotandcold,potablewaterdistributionsystemsor
D1599 Test Method for Resistance to Short-Time Hydraulic
other applications such as municipal water service lines,
Pressure of Plastic Pipe, Tubing, and Fittings
radiant panel heating systems, hydronic baseboard heating
D1600 Terminology forAbbreviatedTerms Relating to Plas-
systems, snow and ice melting systems, and building services
tics
pipe.
3
D1898 Practice for Sampling of Plastics (Withdrawn 1998)
1.2 The text of this specification references notes, footnotes,
D2749 Symbols for Dimensions of Plastic Pipe Fittings
and appendixes which provide explanatory material. These
D2837 Test Method for Obtaining Hydrostatic Design Basis
notesandfootnotes(excludingthoseintablesandfigures)shall
forThermoplasticPipeMaterialsorPressureDesignBasis
not be considered as requirements of the specification.
for Thermoplastic Pipe Products
D3140 Practice for Flaring Polyolefin Pipe and Tubing
1.3 The values stated in inch-pound units are to be regarded
3
(Withdrawn 1999)
as the standard. The values stated in parentheses are provided
F412 Terminology Relating to Plastic Piping Systems
for information only.
F876 SpecificationforCrosslinkedPolyethylene(PEX)Tub-
NOTE1—Suggestedhydrostaticdesignstressesandhydrostaticpressure
ing
ratings for tubing and fittings are listed in Appendix X1. Design,
F1960 Specification for Cold Expansion Fittings with PEX
assembly, and installation considerations are discussed in Appendix X2.
ReinforcingRingsforUsewithCross-linkedPolyethylene
An optional performance qualification and an in-plant quality control
program are recommended in Appendix X3. (PEX) Tubing
F1961 Specification for Metal Mechanical Cold Flare Com-
1.4 The following safety hazards caveat pertains only to the
pression Fittings with Disc Spring for Crosslinked Poly-
test method portion, Section 7, of this specification: This
3
ethylene (PEX) Tubing (Withdrawn 2018)
standard does not purport to address all of the safety concerns,
F1807 Specification for Metal Insert Fittings Utilizing a
if any, associated with its use. It is the responsibility of the user
Copper Crimp Ring for SDR9 Cross-linked Polyethylene
of this standard to establish appropriate safety, health, and
(PEX) Tubing and SDR9 Polyethylene of Raised Tem-
environmental practices and determine the applicability of
perature (PE-RT) Tubing
regulatory limitations prior to use.
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
1
This specification is under the jurisdiction ofASTM 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 information, refer to the standard’s Document Summary page on
Current edition approved April 1, 2018. Published April 2018. Originally the ASTM website.
3
approved in 1984. Last previous approved 2011 as F877 – 11a. DOI: 10.1520/ The last approved version of this historical standard is referenced on
F0877-18. www.astm.org.
*A Summary of Changes section appears at the end of this standard
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1
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This document is not an ASTM standard and is intended only to provide the user of an ASTM standard an indication of what changes have been made to the previous version. Because
it may not be technically possible to adequately depict all changes accurately, ASTM recommends that users consult prior editions as appropriate. In all cases only the current version
of the standard as published by ASTM is to be considered the official document.
Designation: F877 − 11a F877 − 18 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*
1.1 This specification covers requirements, test methods, and marking requirements for system components when tested with
nominal SDR9 crosslinked polyethylene tubing as a system. Systems are intended for 100 psi (0.69 MPa) water service up to and
including a maximum working temperature of 180°F (82°C).180 °F (82 °C). Requirements and test methods are included for
materials, workmanship, dimensions and tolerances, burst pressure, sustained pressure, excessive temperature and pressure, and
thermo-cycling tests. The components covered by this specification are intended for use in residential and commercial, hot and
cold, potable water distribution systems or other applications such as municipal water service lines, radiant panel heating systems,
hydronic baseboard heating systems, snow and ice melting systems, and building services pipe.
1.2 The text of this specification references notes, footnotes, and appendixes which provide explanatory material. These notes
and footnotes (excluding those in tables and figures) shall not be considered as requirements of the specification.
1.3 The values stated in inch-pound units are to be regarded as the standard. The values stated in parentheses are provided for
information only.
NOTE 1—Suggested hydrostatic design stresses and hydrostatic pressure ratings for tubing and fittings are listed in Appendix X1. Design, assembly,
and installation considerations are discussed in Appendix X2. An optional performance qualification and an in-plant quality control program are
recommended in Appendix X3.
1.4 The following safety hazards caveat pertains only to the test method portion, Section 7, of this specification: This standard
does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this
standard to establish appropriate safety safety, health, and healthenvironmental practices and determine the applicability of
regulatory limitations prior to use.
1.5 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.
2. Referenced Documents
2
2.1 ASTM Standards:
D618 Practice for Conditioning Plastics for Testing
D1598 Test Method for Time-to-Failure of Plastic Pipe Under Constant Internal Pressure
D1599 Test Method for Resistance to Short-Time Hydraulic Pressure of Plastic Pipe, Tubing, and Fittings
D1600 Terminology for Abbreviated Terms Relating to Plastics
3
D1898 Practice for Sampling of Plastics (Withdrawn 1998)
D2749 Symbols for Dimensions of Plastic Pipe Fittings
D2837 Test Method for Obtaining Hydrostatic Design Basis for Thermoplastic Pipe Materials or Pressure Design Basis for
Thermoplastic Pipe Products
3
D3140 Practice for Flaring Polyolefin Pipe and Tubing (Withdrawn 1999)
F412 Terminology Relating to Plastic Piping Systems
F876 Specification for Crosslinked Polyethylene (PEX) Tubing
1
This specification is under the jurisdiction of ASTM Committee F17 on Plastic Piping Systems and is the direct responsibility of Subcommittee F17.61 on Water.
Current edition approved Aug. 1, 2011April 1, 2018. Published August 2011April 2018. Originally approved in 1984. Last previous approved 2011 as
F877 – 11.F877 – 11a. DOI: 10.1520/F0877-11A.10.1520/F0877-18.
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM Standards
volume information, refer to the standard’s Document Summary page on the ASTM website.
3
The last approved version of this historical standard is referenced on www.astm.org.
*A Summary of Changes section appears at the end of this standard
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1
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