本規范共分10章和1個附錄，主要技術內容是：總則，術語和符號，管道安裝的基本規定，管道元件和材料的檢驗，管道加工，管道焊接和焊后熱處理，管道安裝，管道檢查、檢驗和試驗，管道吹掃與清洗，工程交接驗收等。

GB50235-2010······1

1 總則······13

2 術語和符號······14

2.1 術語······14

2.2 符號······16

3 基本規定······19

3.1 一般規定······19

3.2 分級······20

4 管道元件和材料的檢驗······21

4.1 一般規定······21

4.2 閥門檢驗······22

4.3 其他管道元件檢驗······23

5 管道加工······24

5.1 一般規定······24

5.2 下料切割······24

5.3 彎管制作······25

5.4 卷管制作······28

5.5 管口翻邊······29

5.6 夾套管制作······30

5.7 斜接彎頭制作······31

5.8 支、吊架制作······32

6 管道焊接和焊后熱處理······33

7 管道安裝······40

7.1 一般規定······40

7.2 管段預制······41

7.3 鋼制管道安裝······42

7.4 連接設備的管道安裝······45

7.5 鑄鐵管道安裝······46

7.6 不銹鋼和有色金屬管道安裝······48

7.7 伴熱管安裝······49

7.8 夾套管安裝······50

7.9 防腐蝕襯里管道安裝······50

7.10 閥門安裝······51

7.11 補償裝置安裝······51

7.12 支、吊架安裝······55

7.13 靜電接地安裝······57

8 管道檢查、檢驗和試驗······59

8.1 一般規定······59

8.2 外觀檢查······59

8.3 焊縫表面無損檢測······59

8.4 焊縫射線檢測和超聲檢測······60

8.5 硬度檢驗及其他檢驗······60

8.6 壓力試驗······61

9 管道吹掃與清洗······67

9.1 一般規定······67

9.2 水沖洗······68

9.3 宅氣吹掃······69

9.4 蒸汽吹掃······69

9.5 脫脂······70

9.6 化學清洗······70

9.7 油清洗······71

10 工程交接······72

附錄A 施工質量檢查記錄的內容及格式······74

本規范用詞說明······91

引用標準名錄······92

附：條文說明······93

1 總則······97

2 術語和符號······98

2.1 術語······98

3 基本規定······99

3.1 一般規定······99

3.2 分級······100

4 管道元件和材料的檢驗······101

4.1 一般規定······101

4.2 閥門檢驗······102

4.3 其他管道元件檢驗······103

5 管道加工······104

5.1 一般規定······104

5.2 下料切割······104

5.3 彎管制作······105

5.4 卷管制作······105

5.5 管口翻邊······106

5.6 夾套管制作······106

5.7 斜接彎頭制作······106

5.8 支、吊架制作······107

6 管道焊接和焊后熱處理······108

7 管道安裝······110

7.1 一般規定······110

7.2 管段預制······111

7.3 鋼制管道安裝······111

7.4 連接設備的管道安裝······112

7.5 鑄鐵管道安裝······113

7.6 不銹鋼和有色金屬管道安裝······113

7.7 伴熱管安裝······114

7.8 夾套管安裝······114

7.9 防腐蝕襯里管道安裝······115

7.10 閥門安裝······115

7.11 補償裝置安裝······115

7.12 支、吊架安裝······116

7.13 靜電接地安裝······116

8 管道檢查、檢驗和試驗······117

8.1 一般規定······117

8.2 外觀檢查······117

8.3 焊縫表面無損檢測······118

8.4 焊縫射線檢測和超聲檢測······118

8.5 硬度檢驗及其他檢驗······119

8.6 壓力試驗······120

9 管道吹掃與清洗······123

9.1 一般規定······123

9.2 水沖洗······123

9.3 空氣吹掃······124

9.4 蒸汽吹掃······124

9.5 脫脂······124

9.6 化學清洗······125

9.7 油清洗······125

10 工程交接······126