HG/T 20637.7-1998
Guid for preparation of engineering documents of instrumentation (English Version)
- Standard No.
- HG/T 20637.7-1998
- Language
- Chinese, Available in English version
- Published By
- Professional Standard - Chemical Industry
- Status
- 2018-04
- Replace By
- HG/T 20637.7-2017
- Latest
- HG/T 20637.7-2017
- Scope
- 1.0.1 These regulations are formulated for the statistical work of instrument installation materials. It will standardize statistical methods and overcome human bias, thus facilitating the rational procurement of instrument installation materials and construction preparation. 1.0.2 This provision applies to the statistics of installation materials for the following instruments: ——Instrument pressure piping materials; ——Instrument heat tracing materials; ——Instrument utility piping materials; ——Instrument gas supply piping materials; ——Instrument pneumatics Signal piping materials; ——Cables and wires; ——Conduits and fittings: ——Wiring materials; ——Other installation materials.
HG/T 20637.7-1998 history
- 2018 HG/T 20637.7-2017 Compilation of engineering design documents for the automatic control of chemical installations Standardize the statistics of instrument installation materials
- 1970 HG/T 20637.7-1998 Guid for preparation of engineering documents of instrumentation
