本規(guī)范共11章,主要內(nèi)容包括總則,術(shù)語和符號(hào),一般規(guī)定,管道加工,管道焊接,管道安裝,管道檢查、檢驗(yàn)和試驗(yàn),管道吹掃與清洗,管道涂漆及標(biāo)識(shí),管道絕熱,工程交接驗(yàn)收。

GBT50975-2014······1

1 總則······11

2 術(shù)語和符號(hào)······12

2.1 術(shù)語······12

2.2 符號(hào)······13

3 一般規(guī)定······14

4 管道加工······15

4.1 管子切割······15

4.2 彎管制作······15

4.3 管口翻邊······17

4.4 支架、吊架加工······17

5 管道焊接······18

6 管道安裝······21

6.1 一般規(guī)定······21

6.2 管道預(yù)制······22

6.3 管道安裝······22

6.4 閥門安裝······24

6.5 補(bǔ)償裝置安裝······24

6.6 支架、吊架安裝······25

7 管道檢查、檢驗(yàn)和試驗(yàn)······26

7.1 外觀檢查······26

7.2 焊縫射線檢測(cè)和超聲檢測(cè)······26

7.3 壓力試驗(yàn)······27

8 管道吹掃與清洗······28

9 管道涂漆及標(biāo)識(shí)······30

10 管道絕熱······31

11 工程交接驗(yàn)收······32

本規(guī)范用詞說明······33

引用標(biāo)準(zhǔn)名錄······34

附:條文說明······35

1 總則······38

2 術(shù)語和符號(hào)······39

3 一般規(guī)定······40

4 管道加工······41

4.1 管子切割······41

4.2 彎管制作······41

4.3 管口翻邊······41

4.4 支架、吊架加工······41

5 管道焊接······42

6 管道安裝······43

6.1 一般規(guī)定······43

6.2 管道預(yù)制······43

6.3 管道安裝······43

6.4 閥門安裝······44

7 管道檢查、檢驗(yàn)和試驗(yàn)······45

7.1 外觀檢查······45

7.2 焊縫射線檢測(cè)和超聲檢測(cè)······45

7.3 壓力試驗(yàn)······45

8 管道吹掃與清洗······46

9 管道涂漆及標(biāo)識(shí)······47

10 管道絕熱······48

11 工程交接驗(yàn)收······49