DB1304/T 521-2025 Active Hebei ProvinceLocal standards

DB1304/T 521-2025 Annual inspection specifications for polyethylene gas pipeline

Publish Date: 2025-06-27 Implement Date: 2025-07-20 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: DB1304/T 521-2025

Standard Type: Local standards

Standard Status: Active

is_force_gb: no

CCS Name: Pressure vessel

ICS Name: Pipe components and pipelines

Publish Date: 2025-06-27

Implement Date: 2025-07-20

Development Information

Related Standards

GB/T 8713-1988 Abolished

GB/T 8713-1988 Inside diameter required precision seamless steel tube for hydraulic and pneumatic cylinder use

Publish Date: 1988-02-22

GB/T 16805-1997 Replaced

GB/T 16805-1997 Pressure testing of liquid petroleum pipelines

Publish Date: 1997-05-28

GB/T 18443.2-2001 Replaced

GB/T 18443.2-2001 Testing method of cryo-insulation pressure vessels—Vacuum measurement

Publish Date: 2001-09-03

GB/T 15345-2003 Replaced

GB/T 15345-2003 Test methods of concrete pipes for water transmission

Publish Date: 2003-07-23

GB/T 19284-2003 Replaced

GB/T 19284-2003 Hyperbaric chamber pressurized with medical oxygen

Publish Date: 2003-09-11

GB/T 19285-2003 Replaced

GB/T 19285-2003 Inspection of corrosion protection for buried steel pipelines

Publish Date: 2003-09-11