GB/T 7636-1987
Abolished
DB21/T 4386-2026
Active
Liaoning ProvinceLocal standards
DB21/T 4386-2026 Smart Gas Construction Technology Guide
DB21/T 4386-2026 Smart Gas Construction Technology Guide
Basic Information
Standard Code:
DB21/T 4386-2026
Standard Type:
Local standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Gas supply project
ICS Name:
\nGas supply system
Publish Date:
2026-01-07
Implement Date:
2026-02-07
Publisher:
辽宁省市场监督管理局
Technical Committee:
辽宁省住房和城乡建设厅
Development Information
Related Standards
GB/T 7637-1987
Abolished
GB/T 7637-1987 Operation rules of construction and installation of biogas pipelines for peasant household
GB 15558.1-1995
Replaced
GB 15558.1-1995 Buried polyethylene (PE) pipes for the supply of gaseous fuels
GB 15558.2-1995
Replaced
GB 15558.2-1995 Buried polyethylene (PE) fittings for the supply of gaseous fuels
GB 16802-1997
Replaced
GB 16802-1997 Town gas pressure regulators
GB 17264-1998
Replaced