CJJT154-2020······1

1 總則······11

2 術語和符號······12

2.1 術語······12

2.2 符號······13

3 材料······14

4 設計······15

4.1 一般規定······15

4.2 管材選用······15

4.3 管道連接方式······17

4.4 管道布置和敷設······19

4.5 管道位移補償······21

4.6 管道防腐······22

4.7 管道絕熱······23

5 施工······24

5.1 一般規定······24

5.2 管道連接······25

5.3 管道敷設······27

5.4 管道支架······28

5.5 管道試驗、沖洗和消毒······30

6 驗收······32

6.1 一般規定······32

6.2 驗收要求······32

附錄A 碳鋼管連接······34

附錄B 薄壁不銹鋼管連接······42

附錄C 球墨鑄鐵管連接······49

附錄D 銅管連接······52

附錄E 插合自鎖卡簧式管道連接······55

本標準用詞說明······57

引用標準名錄······58

附：條文說明······60

2 術語和符號······64

2.1 術語······64

3 材料······67

4 設計······69

4.1 一般規定······69

4.2 管材選用······69

4.3 管道連接方式······71

4.4 管道布置和敷設······73

4.6 管道防腐······73

5 施工······74

5.1 一般規定······74

5.2 管道連接······74

附錄A 碳鋼管連接······75

附錄B 薄壁不銹鋼管連接······76