GBT51132-2015······1

l 總則······12

2 術語······13

3 基本規定······14

4 管道元件檢驗及儲運······15

4.1 一般規定······15

4.2 管子檢驗······15

4.3 閥門檢驗······16

4.4 其他管道元件的檢驗······17

4.5 管道元件的儲運······19

4.6 質量驗收······20

5 管子加工······22

5.1 一般規定······22

5.2 管子調直及整困······22

5.3 管子切割及坡口加工······22

5.4 彎管制作······23

5.5 管口翻邊······26

5.6 支、吊架制作······27

5.7 質量驗收······27

6 管道焊接······29

6.1 一般規定······29

6.2 焊前準備······30

6.3 焊接工藝······31

6.4 焊后熱處理······34

6.5 焊后檢驗······34

6.6 質量驗收······35

7 管道系統安裝······39

7.1 一般規定······39

7.2 螺紋連接······39

7.3 法蘭連接······40

7.4 管段預制······41

7.5 管道安裝······41

7.6 質量驗收······47

8 管道系統壓力試驗······50

8.1 一般規定······50

8.2 液壓試驗······51

8.3 氣壓試驗······52

8.4 泄漏性試驗······53

8.5 質量驗收······53

9 管道系統吹掃與清洗······55

9.1 一般規定······55

9.2 管道系統水沖洗······56

9.3 管道系統吹掃······56

9.4 管道系統脫脂······57

9.5 管道系統化學清洗······57

9.6 質量驗收······58

10 工程質量驗收······60

附錄A 工業有色金屬管道施工質量檢查記錄······62

附錄B 工業有色金屬管道焊接坡口形式及尺寸······74

附錄C 分項工程質量驗收記錄······81

附錄D 分部(子分部)工程質量驗收記錄······82

附錄E 分部(子分部)質量控制資料檢查記錄······83

本規范用詞說明······84

引用標準名錄······85

附: 條文說明······86

1 總則······90

2 術語······91

3 基本規定······92

4 管道元件檢驗及儲運······93

4.1 一般規定······93

4.2 管子檢驗······94

4.3 閥門檢驗······94

4.4 其他管道元件的檢驗······94

4.5 管道元件的儲運······94

4.6 質量驗收······95

5 管子加工······96

5.1 -般規定······96

5.2 管子調直及整圓······96

5.3 管子切割及坡口加工······96

5.4 彎管制作······97

5. 5 管口翻邊······97

5. 6 支、吊架制作······98

5. 7 質量驗收······98

6 管道焊接······99

6.1 一般規定······99

6.2 焊前準備······100

6.3 焊接工藝······101

6.5 焊后檢驗······104

6.6 質量驗收······104

7 管道系統安裝······105

7.1 一般規定······105

7.2 螺紋連接······105

7.3 法蘭連接······106

7.4 管段預制······106

7.5 管道安裝······107

7.6 質量驗收······110

8 管道系統壓力試驗······111

8.1 一般規定······111

8.2 液壓試驗······112

8.3 氣壓試驗······113

8. 4 泄漏性試驗······113

8. 5 質量驗收······113

9 管道系統吹掃與清洗······114

9.1 一般規定······114

9.2 管道系統水沖洗······114

9.3 管道系統吹掃······115

9.4 管道系統脫脂······115

9. 5 管道系統化學清洗······115

9. 6 質量驗收······116

10 工程質量驗收······117