This specification is applicable to the heat tracing and insulation design of automatic control engineering instruments and pipelines in petrochemical enterprises. When implementing this specification, it should still comply with the requirements of the current relevant mandatory standards and specifications.
SH 3126-2001 history
2013SH/T 3126-2013 Design specification for tracing and insulation of instrument and piping in petrochemical industry
2002SH 3126-2001 Code for the design of tracing and insulation of instrument and piping for petrochemical industry
SH 3126-2001 Code for the design of tracing and insulation of instrument and piping for petrochemical industry was changed to SH/T 3126-2013 Design specification for tracing and insulation of instrument and piping in petrochemical industry.