1.1 本规范规定了非饮用水应用的高温聚乙烯（PE-RT）系统的要求。系统组件包括PE-RT SDR 9卡套管、歧管、配件、阀门和其他附件，以及机械和熔接。PE-RT卡套管的额定水压为73 °F（23 °C）和180 °F（82 °C），以及可选的140 °F（60 °C）。包括对材料、工艺、尺寸和公差、产品测试和标记以及可选屏障层的要求。配件包括机械插入配件和熔接配件。 1.2 本规范的文本引用了提供解释材料的注释、脚注和附录。这些注释和脚注（不包括表和图中的注释和脚注）不应被视为规范的要求。 1.3 以英寸磅为单位的数值应视为标准。括号中给出的值是国际单位制的数学转换，仅供参考，不被视为标准。 1.3.1 括号中的值经过适当的四舍五入，以确保准确性和精度，而不是完全等效的值。 1.4 根据本规范生产的管道系统旨在用于非饮用水的运输，如循环水和灌溉系统。 1.4.1 包含外表面或中壁气体阻挡层或两者的PE-RT管道是可接受的。 1.4.2 本标准下的PE-RT系统不适用于饮用水的运输。参见规范 F2769 用于PE-RT饮用水分配系统。 1.5 以下安全隐患警告仅适用于第节测试方法部分 7. 。 本标准并不旨在解决与其使用相关的所有安全问题（如有）。本标准的使用者有责任在使用前制定适当的安全、健康和环境实践，并确定监管限制的适用性。 1.6 本国际标准是根据世界贸易组织技术性贸易壁垒委员会发布的《关于制定国际标准、指南和建议的原则的决定》中确立的国际公认的标准化原则制定的。

1.1 This specification establishes requirements for polyethylene of raised temperature (PE-RT) systems for non-potable water applications. System components include PE-RT SDR 9 tubing, manifolds, fittings, valves and other appurtenances, and mechanical and fusion joining. PE-RT tubing is pressure rated for water at 73 °F (23 °C) and 180 °F (82 °C), and optionally 140 °F (60 °C). Included are requirements for materials, workmanship, dimensions and tolerances, product tests, and markings, and an optional barrier layer. Fittings include mechanical insert fittings and fusion fittings. 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 standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard. 1.3.1 Values in parentheses are appropriately rounded for accuracy and precision and are not exact equivalents. 1.4 The tubing systems produced under this specification are intended for use in the transport of non-potable water such as hydronic and irrigation systems. 1.4.1 PE-RT tubing containing an outside surface or mid-wall gas barrier layer or both is acceptable. 1.4.2 PE-RT systems under this standard are not intended for use in the transport of potable water. See Specification F2769 for PE-RT potable water distribution 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use. 1.6 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.