本規范共分12 章和2 個附錄，主要包括： 總則、術語、基本規定、管道分級、管道材料驗收、管道預制、管道焊接、管道安裝、管道焊接檢查和檢驗、管道試驗、管道吹掃和交工技術文件.

GB50517-2010······1

1 總則······13

2 術語······14

3 基本規定······15

4 管道分級······16

5 管道材料驗收······19

5.1 一般規定······19

5.2 管子檢查驗收······20

5.3 閥門檢查驗收······22

5.4 其他管道組成檢查驗收······25

5.5 管道支承件檢查驗收······28

6 管道預制······29

6.1 管子加工······29

6.2 彎管制作······30

6.3 夾套管加工······30

6.4 管段預制······31

7 管道焊接······33

7.1 一般規定······33

7.2 坡口加工及接頭組隊······34

7.3 焊接······37

7.4 預熱與熱處理······37

8 管道安裝······41

8.1 一般規定······41

8.2 與轉動機器連接的管道安裝······45

8.3 有色金屬管道安裝······45

8.4 伴熱管安裝······46

8.5 襯里管道安裝······47

8.6 安全裝置安裝······47

8.7 補償裝置安裝······48

8.8 支、吊架安裝······51

8.9 靜電接地安裝······52

9 管道焊接檢查和檢驗······54

9.1 一般規定······54

9.2 焊縫的外觀驗收······54

9.3 焊接接頭的無損檢測······56

9.4 硬度檢測······59

9.5 焊縫鐵素體檢查······59

10 管道試驗······61

10.1 一般規定······61

10.2 系統設置······62

10.3 液壓試驗······63

10.4 氣壓試驗······64

10.5 初始運行壓力試驗······65

10.6 泄漏性試驗和真空試驗······65

11 管道吹洗······68

11.1 一般規定······68

11.2 吹洗系統設置······69

11.3 空氣吹掃······69

11.4 蒸汽吹掃······70

11.5 系統沖洗······70

11.6 化學清洗······71

11.7 管道脫脂······72

11.8 油清洗······73

12 交工技術文件······75

附錄A 常用毒性介質、可燃介質······78

附錄B 管道分級編碼······80

本規范用詞說明······81

引用標準名錄······82

附：條文說明······83

2 術語······87

3 基本規定······88

4 管道分級······90

5 管道材料驗收······93

5.1 一般規定······93

5.2 管子檢查驗收······93

5.3 閥門檢查驗收······94

6 管道預制······95

6.1 管子加工······95

6.4 管段預制······95

7 管道焊接······96

7.1 一般規定······96

7.2 坡口加工及接頭組隊······96

7.3 焊接······97

7.4 預熱與熱處理······97

8 管道安裝······100

8.1 一般規定······100

8.4 伴熱管安裝······101

8.5 襯里管道安裝······101

8.6 安全裝置安裝······101

8.7 補償裝置安裝······101

8.8 支、吊架安裝······102

8.9 靜電接地安裝······102

9 管道焊接檢查和檢驗······103

9.1 一般規定······103

9.3 焊接接頭的無損檢測······103

9.5 焊縫鐵素體檢查······106

10 管道試驗······107

10.1 一般規定······107

10.2 系統設置······107

11 管道吹洗······108

11.1 一般規定······108

11.4 蒸汽吹掃······108

11.6 化學清洗······108

12 交工技術文件······109