048中英文對照ISO21809-13LPE3LPP管道防腐层标准.doc

DRAFT INTERNATIONAL STANDARD ISO/DIS 21809-1国际标准草稿 COMMITTEE DRAFT??ISO?2005?– All rights reservedISO/CD?21809-1 56Part?1: Polyolefin coatings (3-layer PE and 3-layer PP)Petroleum and natural gas industries?— External coatings for buried or submerged pipelines used in pipeline transportation systems Petroleum and natural gas industries?— External coatings for buried or submerged pipelines used in pipeline transportation systems?— Part?1: Polyolefin coatings (3-layer PE and 3-layer PP)E2005-04-30(30) CommitteeISOISO? International Standard2005 ISO?21809ISO?218091ISO/CD?21809-1 ANSIPipeline transportation systemsPetroleum and natural gas industries14267 2überschrift 2;H2;DNV-H2überschrift 1 02 STD Version 2.1c230 4E:\froelich_lw_i\Norm_arb_LW-W\BEB\WWDATA\TC67SC2-EDC\21809\Part_1_Gronsfeld\CD_ISO_21809-1_050430_marked.doc ISO?TC?67/SC?2 ISO/DIS?21809-1 Petroleum and natural gas industries?— External coatings for buried or submerged pipelines used in pipeline transportation systems?— Part?1: Polyolefin coatings (3-layer PE and 3-layer PP) 石油天然气工业 – 管道输送系统中采用的埋地管道或 水下管道的外防腐层 – 第一部分：聚烯烃防腐层 （三层聚乙烯和三层聚丙烯） 译者注解： 在2010年4月对ISO 21809-1标准草稿进行投票 表决时，仍有三分之一投票人反对，因此，文件需要 进一步修改，尚不能作为国际标准执行。 为方便国内关心此项国际标准的单位和个人了解 此标准的编制过程，特以中英文对照形式翻译全文。 译者 王向农 Contents目录 Page Foreword前言 v Introduction引言 vi 1 Scope范围 1 2 Normative references本标准的参考文献 1 3 Terms and definitions术语和定义 3 4 Symbols and abbreviated terms符号和缩写 3 4.1 Symbols符号 5 4.2 Abbreviations缩写 5 5 General requirements总的要求 5 5.1 Rounding四舍五入 5 5.2 Compliance to standard执行标准 5 6 Coating classification防腐层分类 6 6.1 General总则 6 6.2 Coating classes防腐层类型 6 6.3 Coating thickness classes防腐层厚度等级 6 7 Information to be supplied by the purchaser采购方应当提供的资料 7 7.1 General information一般性资料 7 7.2 Additional information额外的资料 7 8 Coating materials防腐层材料 8 8.1 Composition of the coating system防腐层系统的组成 8 8.2 Qualification of the coating materials防腐层材料的合格证明 8 8.3 Epoxy material环氧材料 8 8.4 Adhesive material粘接剂材料 9 8.5 PE/PP