CJ/T 260-2007
Abolished
GB/T 35842-2018
Active
National standards
GB/T 35842-2018 Technical requirements for pre-insulated directly buried valve of urban heating
GB/T 35842-2018 Technical requirements for pre-insulated directly buried valve of urban heating
Basic Information
Standard Code:
GB/T 35842-2018
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Water supply and drainage projects
ICS Name:
The water supply system
Publish Date:
2018-02-06
Implement Date:
2019-01-01
Pages:
19 pages
Scope
This standard specifies the general requirements, testing methods, inspection rules, marking, transportation, and storage for prefabricated directly buried insulated valves used in urban heating systems. This standard applies to the manufacture and inspection of prefabricated directly buried insulated valves designed to transport media with a continuous operating temperature of greater than or equal to 4°C and less than or equal to 120°C, an occasional peak temperature of less than or equal to 140°C, and an operating pressure of less than or equal to 2.5 MPa.
Development Information
Referenced Standards
GB/T 13927-2008 Industrial valves—Pressure testing
GB/T 12224-1989 General requirements for industrial steel valves
GB/T 12224-2005 General requirements for industrial steel valves
GB/T 12224-2015 General requirements for industrial steel valves
GB/T 29046-2012 Test methods of technical specification for pre-insulated directly buried district heating pipes
GB/T 29046-2023 Detection methods of technical specification for pre-insulated district heating pipes
GB/T 29047-2012 Prefabricated directly buried insulating pipes and fittings with polyurethane [PUR]foamed-plastics and high density polyethylene [PE]casing pipes
GB/T 29047-2021 Prefabricated directly buried insulating pipes and fittings with polyurethane foamed-plastics and high density polyethylene casing pipes
JB/T 12006-2014 Steel pipe welded ball valve
CJJ/T 81-2013 Technical specification for directly buried hot-water heating pipeline in city
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