DB61-T 1390-2020 城镇燃气用聚乙烯管道定期检验规则

DB61/T

2020目 次 ...........................................................................................................................................................II

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...................................................................................................................................................... 5.1

....................................................................................................................................................... 5.2

...............................................................................................................................................5.3

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..................................................................................................................................7.1

...............................................................................................................................................7.2

...............................................................................................................................................7.3

...............................................................................................................................................7.4

............................................................................................................................................... 7.5

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................................................................................................................................... 7.7

............................................................................................................................................... 7.8

............................................................................................................................................... 7.9

.......................................................................................................................................7.10

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.............................................................................................................................7.12

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.................................................................................................................................. DB61/T

2020城镇燃气用聚乙烯管道定期检验规则

-20

40

0.8

MPa

mm

GB/T

CJJ

63

TSG

D7004DB61/T

polyethylene

全面检验 total

inspection的检

inspection

DB61/T

2020

5.1

D7004

7.12.3

D7004

DB61/T

2020

使用单位应根据检验周期，制定全面检验计划，在全面检验有效期届满前个月向检验机构提出全

DB61/T

1389a)DB61/T

2020b)2006

c) d) e) f)g) h)i)

DB61/T

1389a)b)c)

d)e) f)g)

DB61/T

1389的要求，采用资料核查和现场巡检收集的数据对失效可能性进行评估，识别

DB61/T

1.00.51.00.50.50.75

0.50.50.51.00.51.00.5DB61/T

2020

a) b) c)d) e)f)g)

a)b)DB61/T

2020c)

d)

e)

f)

g)

h)

i)

j)

DB61/T