美利体育登录入口官网

集中供热管道（钢制）

District heating pipelines in buildings with medium pipes from steel

焊接辖区供热管道与服务钢管的焊缝 焊接、美利体育登录入口官网和评估

Welding, testing and evaluation of welds of heating pipes and service pipes in the welding area

施焊接头在供热管道中的许可不规则性

Permissible irregularities of welded joints in heating pipes

区域供热管道 工厂制造的具有较低温度曲线的柔性管道系统 分类、一般要求和测试方法

District heating pipes. Factory made flexible pipe systems with a lower temperature profile - Classification, general requirements and test methods

区域供热管道 工厂制造的低温柔性管道系统 第1部分：分类、一般要求和试验方法

District heating pipes – Factory made flexible pipe systems with a lower temperature profile – Part 1: Classification, general requirements and test methods

Ⅱ型耐热聚乙烯（PE-RTⅡ）供热管道工程技术标准

Type Ⅱ heat-resistant polyethylene (PE-RT Ⅱ) heating pipe engineering technical standards

区域供暖管道.预隔热弹性管道系统.第4部分:带金属管道的熔接系统.试验方法和要求.德文和英文版本本EN 15632-4-2009

District heating pipes - Pre-insulated flexible pipe systems - Part 4: Bonded system with metal service pipes - Requirements and test methods; German and English version EN 15632-4:2009

区域供热管道 工厂制造的低温柔性管道系统 第1部分：分类、一般要求和试验方法；德文版本 EN 17878-1:2024

District heating pipes - Factory made flexible pipe systems with a lower temperature profile - Part 1: Classification, general requirements and test methods; German version EN 17878-1:2024

足球供热管 预保温联结管道系统 直接埋设热水网络用钢质介质管、聚氨酯隔热层和外护套管

Football heating pipe pre-insulation connection pipeline system directly buried hot water network steel medium pipe, polyurethane insulation layer and outer sheath pipe

区域供热管道 直埋热水网络预装管道系统 供热钢管道,聚氨酯保温层及聚乙烯外层的配件装配（草案）

District heating pipes - Preinsulated bonded pipe systems for directly buried hot water networks - Fitting assemblies of steel service pipes, polyurethane thermal insulation and outer casing of polyethylene

区域供暖管 直埋式热水供应网用预绝缘粘合管道系统 钢制给水管用连接件,聚氨基甲酸乙酯保温层和聚乙烯外壳（草案）

District heating pipes - Preinsulated bonded pipe systems for directly buried hot water networks - Joint assembly for steel service pipes, polyurethane thermal insulation and outer casing of polyethylene

集中供热管道 适用于低温的柔性管道系统 第1部分：分类、通用要求和试验方法

District heating pipes - Factory made flexible pipe systems with a lower temperature profile - Part 1: Classification, general requirements and test methods

区域供热管道 工厂制造的低温柔性管道系统 第1部分：分类、一般要求和试验方法

District heating pipes - Factory made flexible pipe systems with a lower temperature profile - Part 1 : classification, general requirements and test methods

区域供热管道 工厂制造的较低温度柔性管道系统 第1部分：分类、一般要求和测试方法（由西班牙标准化协会于 2024 年 4 月批准 ）

District heating pipes - Factory made flexible pipe systems with a lower temperature profile - Part 1: Classification, general requirements and test methods (Endorsed by Asociación Espa?ola de Normalización in April of 2024.)

区域供热管道 工厂制造的低温柔性管道系统 第1部分：分类、一般要求和试验方法

District heating pipes - Factory made flexible pipe systems with a lower temperature profile - Part 1: Classification, general requirements and test methods