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自来水厂用金属法兰

Metallic flanges for waterworks purposes

用于自来水厂的机械攻丝带

Mechanical tapping bands for waterworks purposes

水工程用蝶形阀

Butterfly valves for waterworks purposes

球墨铸铁管和配件

Ductile iron pipes and fittings

用于水务的闸阀 第2部分：弹性座密封

Gate valves for waterworks purposes, Part 2: Resilient seated

用于供水、带压排水沟和下水道的塑料管道系统 聚乙烯 (PE) 概述

Plastics piping systems for water supply, and for drains and sewers under pressure. Polyethylene (PE) - General

供水和废水管道产品压力分级条件

Conditions for pressure classification of products for water and wastewater pipelines

供水、排水和下水道用塑料管道系统 聚乙烯（PE） 第1部分：总则

Plastics piping systems for water supply, and for drains and sewers under pressure - Polyethylene (PE) - Part 1: General

建筑物内冷热水装置用多层管道系统.第1部分:总则

Multilayer piping systems for hot and cold water installations inside buildings - Part 1: General (ISO 21003-1:2008); English version of DIN EN ISO 21003-1:2008-11

塑料管道系统 用于供水、排水和压力污水系统 聚乙烯（PE） 第1部分：通用

Plastics piping systems for water supply, and for drains and sewers under pressure - Polyethylene (PE) - Part 1: General

球墨铸铁管线 - 安装后的静水压试验

Ductile iron pipelines — Hydrostatic testing after installation

球墨铸铁管的设计方法

Design method for ductile iron pipes

球墨铸铁管道用减震连接系统.设计规则和定型测试

Restrained joint systems for ductile iron pipelines - Design rules and type testing

供水及承压排水和污水用塑料管道系统 聚乙烯（PE） 第1部分：通用要求

Plastics piping systems for water supply, and for drains and sewers under pressure - Polyethylene (PE) - Part 1: General

供水及压力下排水和下水道用塑料管道系统 聚乙烯（PE） 第1部分：总则

Plastics piping systems for water supply, and for drains and sewers under pressure - Polyethylene (PE) - Part 1 : general

供水及压力下排水和下水道用塑料管道系统 聚乙烯（PE） 第1部分：总则

Plastics piping systems for water supply, and for drains and sewers under pressure — Polyethylene (PE) — Part 1: General

用于供水、带压排水沟和下水道的塑料管道系统 聚乙烯 (PE) 第1部分：概述（由西班牙标准化协会于 2024 年 3 月批准 ）

Plastics piping systems for water supply, and for drains and sewers under pressure - Polyethylene (PE) - Part 1: General (Endorsed by Asociación Espa?ola de Normalización in March of 2024.)

供水、排水和压力下水道用塑料管道系统 聚乙烯 (PE) 第1部分：总则

Plastics piping systems for water supply, and for drains and sewers under pressure - Polyethylene (PE) - Part 1: General