1.1 This specification establishes requirements for polyethylene of raised temperature (PE-RT) SDR 9 tubing that is outside diameter controlled, and pressure rated for water at 73°F (23°C), 140°F (60°C) and 180°F (82.2°C). Included are requirements for material, workmanship, dimensions and tolerances, product tests, and markings for PE-RT tubing.

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 given in parentheses are for information only.

1.4 The tubing produced under this specification shall be permitted for use in general fluid transport, including hydronics and irrigations systems.

1.5 The following safety hazards caveat pertains only to the test methods 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.