ASTM F877-19
(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 (PEX) 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, hydrostatic sustained pressure, excessive temperature and pressure, corrosion resistance, and thermocycling tests. The components covered by this specification are intended for use in, but not limited to, residential and commercial hot and cold potable water distribution systems or other applications such as reclaimed water, fire protection, municipal water service lines, radiant heating and cooling systems, hydronic distribution systems, snow and ice melting systems, geothermal ground loops, district heating, turf conditioning, compressed air distribution, 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 −19 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* environmental practices and determine the applicability of
regulatory limitations prior to use.
1.1 This specification covers requirements, test methods,
1.5 This international standard was developed in accor-
and marking requirements for system components when tested
dance with internationally recognized principles on standard-
with nominal SDR9 crosslinked polyethylene (PEX) tubing as
ization established in the Decision on Principles for the
a system. Systems are intended for 100 psi (0.69 MPa) water
Development of International Standards, Guides and Recom-
service up to and including a maximum working temperature
mendations issued by the World Trade Organization Technical
of 180 °F (82 °C). Requirements and test methods are included
Barriers to Trade (TBT) Committee.
for materials, workmanship, dimensions and tolerances, burst
pressure, hydrostatic sustained pressure, excessive temperature
2. Referenced Documents
and pressure, corrosion resistance, and thermocycling tests.
2
2.1 ASTM Standards:
The components covered by this specification are intended for
D618 Practice for Conditioning Plastics for Testing
use in, but not limited to, residential and commercial hot and
D1598 Test Method for Time-to-Failure of Plastic Pipe
cold potable water distribution systems or other applications
Under Constant Internal Pressure
such as reclaimed water, fire protection, municipal water
D1599 Test Method for Resistance to Short-Time Hydraulic
service lines, radiant heating and cooling systems, hydronic
Pressure of Plastic Pipe, Tubing, and Fittings
distribution systems, snow and ice melting systems, geother-
D1600 Terminology forAbbreviatedTerms Relating to Plas-
mal ground loops, district heating, turf conditioning, com-
tics
pressed air distribution, and building services pipe.
D2749 Symbols for Dimensions of Plastic Pipe Fittings
1.2 The text of this specification references notes, footnotes,
D2837 Test Method for Obtaining Hydrostatic Design Basis
and appendixes which provide explanatory material. These
forThermoplasticPipeMaterialsorPressureDesignBasis
notesandfootnotes(excludingthoseintablesandfigures)shall
for Thermoplastic Pipe Products
not be considered as requirements of the specification.
F412 Terminology Relating to Plastic Piping Systems
F876 SpecificationforCrosslinkedPolyethylene(PEX)Tub-
1.3 The values stated in inch-pound units are to be regarded
ing
as the standard. The values stated in parentheses are provided
F1807 Specification for Metal Insert Fittings Utilizing a
for information only.
Copper Crimp Ring, or Alternate Stainless Steel Clamps,
NOTE1—Suggestedhydrostaticdesignstressesandhydrostaticpressure
for SDR9 Cross-linked Polyethylene (PEX) Tubing and
ratings for tubing and fittings are listed in Appendix X1. Design,
SDR9 Polyethylene of Raised Temperature (PE-RT) Tub-
assembly, and installation considerations are discussed in Appendix X2.
ing
An optional performance qualification and an in-plant quality control
F1960 Specification for Cold Expansion Fittings with PEX
program are recommended in Appendix X3.
ReinforcingRingsforUsewithCross-linkedPolyethylene
1.4 The following safety hazards caveat pertains only to the
(PEX) and Polyethylene of Raised Temperature (PE-RT)
test method portion, Section 7, of this specification: This
Tubing
standard does not purport to address all of the safety concerns,
F2080 Specification for Cold-Expansion Fittings with Metal
if any, associated with its use. It is the responsibility of the user
Compression-SleevesforCrosslinkedPolyethylene(PEX)
of this standard to establish appropriate safety, health, and
Pipe and SDR9 Polyethylene of Raised Temperature
(PE-RT) Pipe
1
This specification is under the jurisdiction ofASTM Committee F17 on Plastic
2
Piping Systems and is the direct responsibility of Subcommittee F17.61 on Water. For referenced ASTM standards, visit the ASTM website, www.astm.org, or
Current edition approved Nov. 1, 2019. Published November 2019. Originally contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
approved in 1984. Last previous approved 2018 as F877 – 18a. DOI: 10.1520/ Standards volume information, refer to the standard’s Document Summary page on
F0877-19. the ASTM website.
*A Summary of Changes section appears at the end of this standard
Copyright © ASTM International, 100 Barr Harbo
...
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 − 18a F877 − 19 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 (PEX) 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, hydrostatic sustained pressure, excessive temperature and pressure,
corrosion resistance, and thermocycling tests. The components covered by this specification are intended for use in, but not limited
to, residential and commercial hot and cold potable water distribution systems or other applications such as reclaimed water, fire
protection, municipal water service lines, radiant heating and cooling systems, hydronic distribution systems, snow and ice melting
systems, geothermal ground loops, district heating, turf conditioning, compressed air distribution, 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.
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
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
F412 Terminology Relating to Plastic Piping Systems
F876 Specification for Crosslinked Polyethylene (PEX) Tubing
F1807 Specification for Metal Insert Fittings Utilizing a Copper Crimp Ring, or Alternate Stainless Steel Clamps, for SDR9
Cross-linked Polyethylene (PEX) Tubing and SDR9 Polyethylene of Raised Temperature (PE-RT) 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, 2018Nov. 1, 2019. Published August 2018November 2019. Originally approved in 1984. Last previous approved 2018 as
F877 – 18.F877 – 18a. DOI: 10.1520/F0877-18A.10.1520/F0877-19.
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.
*A Summary of Changes section appears at the end of this standard
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