GB/T 2681-1981
Abolished
T/CEC 561-2021
Active
Group standards
T/CEC 561-2021 Flow switch valve room bushing sealing material and sealing system technical requirements
T/CEC 561-2021 Flow switch valve room bushing sealing material and sealing system technical requirements
Price:
$ 20.00
Basic Information
Standard Code:
T/CEC 561-2021
Standard Type:
Group standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
-
ICS Name:
Comprehensive Electrical Engineering
Publish Date:
2021-12-06
Implement Date:
2022-03-01
Scope
This document specifies the technical requirements for the sealing materials of the valve hall casings in converter stations, the design of fire-resistant sealing systems, the technical requirements for fire-resistant sealing systems, and fire resistance performance tests, among other things. This document is applicable to the selection of materials, design, and fire resistance performance tests for fire-resistant sealing systems for penetrating openings in the valve halls of converter transformers in converter stations. The valve hall casings of oil-immersed smoothing reactors can also be referenced for implementation.
Development Information
Related Standards
GB/T 2682-1981
Abolished
GB/T 2682-1981 Colors of indicator lights and push-buttons used in electrical assembly devices
GB/T 3926-1983
Replaced
GB/T 3926-1983 Rated voltage for medium frequency equipment
GB/T 4064-1983
Abolished
GB/T 4064-1983 General guide for designing of electrical equipment to satisfy safety requirements
GB/T 4776-1984
Replaced
GB/T 4776-1984 Electrical safety terminology
GB/T 5080.4-1985
Active