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ASTM F 877 Document Information:
Title
Standard Specification for Crosslinked Polyethylene (PEX) Plastic Hot- and Cold-Water Distribution Systems
ASTM International
Publication Date:
Feb 1, 2007
Scope:
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 and intended for 100 psi (0.69 MPa) water service
up to and including a maximum working temperature of 180°F (82°C).
Components are comprised of tubing and fittings. 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.
The components covered by this specification are 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.
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.
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.
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 and health practices
and determine the applicability of regulatory limitations prior to
use.
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