CJJ/T154-2020：建筑给水金属管道工程技术标准

CJJT154-2020······1

1 总则······11

2 术语和符号······12

2.1 术语······12

2.2 符号······13

3 材料······14

4 设计······15

4.1 一般规定······15

4.2 管材选用······15

4.3 管道连接方式······17

4.4 管道布置和敷设······19

4.5 管道位移补偿······21

4.6 管道防腐······22

4.7 管道绝热······23

5 施工······24

5.1 一般规定······24

5.2 管道连接······25

5.3 管道敷设······27

5.4 管道支架······28

5.5 管道试验、冲洗和消毒······30

6 验收······32

6.1 一般规定······32

6.2 验收要求······32

附录A 碳钢管连接······34

附录B 薄壁不锈钢管连接······42

附录C 球墨铸铁管连接······49

附录D 铜管连接······52

附录E 插合自锁卡簧式管道连接······55

本标准用词说明······57

引用标准名录······58

附：条文说明······60

2 术语和符号······64

2.1 术语······64

3 材料······67

4 设计······69

4.1 一般规定······69

4.2 管材选用······69

4.3 管道连接方式······71

4.4 管道布置和敷设······73

4.6 管道防腐······73

5 施工······74

5.1 一般规定······74

5.2 管道连接······74

附录A 碳钢管连接······75

附录B 薄壁不锈钢管连接······76