1.1 本规范涵盖了大直径12英寸的材料、尺寸、工艺、连接系统和标记的要求和测试方法。[300 mm]及更大内径受控玻璃纤维增强聚乙烯（PE-GF）螺旋缠绕管，带电熔接头。该管道用于新建和更新压力系统中用于运输水、泥浆、市政污水、生活污水、废水等的现有管道系统。 注1: 按照本规范生产的管道应按照惯例安装 D2774 或 F1668 ，如适用，并符合制造商的建议。 1.2 以英寸-磅单位或国际单位表示的数值应单独视为标准值。在文本中，国际单位用括号表示。每个系统中规定的值可能不是精确的等效值:因此，每个系统应独立于另一个系统使用。将两个系统的值合并可能会导致不符合标准。 1.3 根据本规范生产的所有管道均为额定压力。 1.4 本规范包括原材料选择标准和评估原材料的测试方法，以及确定符合要求的性能要求和测试方法。 1.5 在仲裁裁决中，公制尺寸的管道应使用国际单位制，而按ANSI（ANSI B 36.10）尺寸的管道应使用英寸-磅单位。 1.6 本标准并非旨在解决与其使用相关的所有安全问题（如有）。本标准的用户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。 1.7 本国际标准是根据世界贸易组织技术性贸易壁垒（TBT）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》中确立的国际公认标准化原则制定的。

1.1 This specification covers requirements and test methods for materials, dimensions, workmanship, joining systems, and marking for large diameter, 12 in. [300 mm] and larger, inside diameter controlled glass fiber reinforced polyethylene (PE-GF) spiral wound pipe with electrofusion joints. The piping is intended for new construction and renewal of existing piping systems used for the transport of water, slurries, municipal sewage, domestic sewage, effluents, etc., in pressure systems. Note 1: Pipe produced to this specification should be installed in accordance with Practice D2774 or F1668 , where applicable, and with the manufacturer’s recommendations. 1.2 The values stated in either inch-pound units or SI units are to be regarded separately as standard. Within the text the SI units are shown in brackets. The values stated in each system may not be exact equivalents: therefore, each system shall be used independently of the other. Combining values from the two systems may result in non-conformance with the standard. 1.3 All pipes produced under this specification are pressure-rated. 1.4 This specification includes criteria for choice of raw material and test methods for evaluation of raw material, together with performance requirements and test methods for determining conformance with the requirements. 1.5 In referee decisions, the SI units shall be used for metric-sized pipe and inch-pound units for pipe sized per ANSI (ANSI B 36.10). 1.6 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. 1.7 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.