中华人民共和国住房和城乡建设部公告第487号

前　　言

1　总　　则

2　术　　语

3　管道元件和材料的检验

4　管道加工

• 4.1　一般规定

• 4.2　管子切割

• 4.3　弯管制作

• 4.4　管口翻边

• 4.5　装配管加工

• 4.6　现场焊接安装的管道预制

• 4.7　支架、吊架加工

5　装配管封存

6　管道焊接

7　管道安装

• 7.1　一般规定

• 7.2　装配管安装

• 7.3　现场焊接管道的安装

• 7.4　阀门安装

• 7.5　补偿装置安装

• 7.6　支架、吊架安装

8　管道检查、检验和试验

• 8.1　外观检查

• 8.2　管道焊缝检验

• 8.3　装配管试验

• 8.4　管道系统试验

9　管道清洗与吹扫

10　管道涂漆及标识

11　管道绝热

12　工程交接验收

本规范用词说明

引用标准名录

1 General provisions

2 Terms

3 Inspection of pipework components and materials

4 Machining of piping

• 4.1 General requirement

• 4.2 Pipe cutting

• 4.3 Bending fabrication

• 4.4 Flanging edge of pipe

• 4.5 Machining of prefabricated pipe

• 4.6 Prefabricating of field welded and installed pipe

• 4.7 Machining of piping supporter and hanger

5 Sealing and preserving of prefabricated pipe

6 Welding of piping

7 Installation of piping

• 7.1 General requirement

• 7.2 Installation of prefabricated pipe

• 7.3 Installation of field welded pipe

• 7.4 Valve installation

• 7.5 Expansion joint installation

• 7.6 Piping supporter and hanger installation

8 Inspection，examination and test for piping

• 8.1 Visual inspection

• 8.2 Examination of welded seam

• 8.3 Test of prefabricated pipe

• 8.4 Test for piping

9 Blowing and cleaning of piping

10 Painting and labeling of piping

11 Thermal insulation of piping

12 Hand-over and acceptance of engineering

Explanation of wording in this code

List of quoted standards