GB 9842-1988
Abolished
T/QGCML 242-2021
Active
Group standards
T/QGCML 242-2021 Heat exchanger expansion welding process specification
T/QGCML 242-2021 Heat exchanger expansion welding process specification
Price:
$ 20.00
Basic Information
Standard Code:
T/QGCML 242-2021
Standard Type:
Group standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Chemical machinery and equipment
ICS Name:
\nHeat exchanger
Publish Date:
2021-12-29
Implement Date:
2022-01-13
Scope
Main technical content: This document specifies the terms and definitions, classification, general requirements, expansion joint process, expansion joint process requirements, and operating precautions for the expansion joint process of heat exchangers. This document is applicable to the expansion joint process of heat exchangers.
Development Information
Related Standards
GB 9843-1988
Abolished
GB 9843-1988 Specifications for H · P urea scrubber
GB 10476-1989
Abolished
GB 10476-1989 Specifications for urea high pressure condenser
GB/T 10476-2004
Replaced
GB/T 10476-2004 Specifications for urea high pressure condenser
GB/T 9842-2004
Replaced
GB/T 9842-2004 Specification for urea reactor
GB/T 9843-2004
Active