Tiêu chuẩn quốc tế

• Số hiệu / Standard Number: ASTM F1973-13(2018)
• Năm ban hành / Publication date: 2018
• Tình trạng / Status: A - Còn hiệu lực
• Tên tiếng Anh / Title in English: Standard Specification for Factory Assembled Anodeless Risers and Transition Fittings in Polyethylene (PE) and Polyamide 11 (PA11) and Polyamide 12 (PA12) Fuel Gas Distribution Systems
• Chỉ số phân loại Quốc tế (ICS) / By field: 75.200 - Thiết bị vận chuyển sản phẩm dầu mỏ và khí thiên nhiên
• Số trang / Page: 6

Phạm vi áp dụng / Scope of standard

1.1 This specification covers requirements and test methods for the qualification of factory assembled anodeless risers and transition fittings, for use in polyethylene (PE), in sizes through NPS 8, and Polyamide 11 (PA11) and Polyamide 12 (PA12), in sizes through NPS 6, gas distribution systems.

1.2 The test methods described are not intended to be routine quality control tests.

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.

1.4 Throughout this specification footnotes are provided for informational purposes and shall not be considered as requirements of this specification.

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.