EXPLOSIVE ATMOSPHERES - PART 30-2: ELECTRICAL RESISTANCE TRACE HEATING - APPLICATION GUIDE FOR DESIGN, INSTALLATION AND MAINTENANCE
Institute of Electrical & Electronics Engineers
FOREWORD
1 Scope
2 Normative references
3 Terms and definitions
4 Application considerations
5 Thermal insulation
6 System design
7 Control and monitoring
8 Recommendations for installation
9 Maintenance
10 Repairs
Annex A (informative) - Example of design data
record
Annex B (informative) - Checklist for installation
requirements
Annex C (informative) - Example of trace heater
commissioning record
Annex D (informative) - Example of maintenance
schedule and log record
Annex E (informative) - Pipe heat loss considerations
- Heat loss formula and example calculations
Annex F (informative) - Vessel heat loss considerations
Annex G (informative) - Heat up and cool down
considerations
Annex H (informative) - Method to determine
equivalent thicknesses of insulating
cements
Bibliography
Gives guidance for the application of electrical resistance trace heating systems in areas where explosive atmospheres may be present, with the exclusion of those classified as requiring EPL Ga/Da (traditional relationship to Zone 0 and Zone 20 respectively).
| Document Type | Standard |
| Status | Current |
| Publisher | Institute of Electrical & Electronics Engineers |
