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BS EN 62086-2:2005

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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Electrical apparatus for explosive gas atmospheres. Electrical resistance trace heating Application guide for design, installation and maintenance

Available format(s)

Hardcopy , PDF

Superseded date

31-05-2007

Language(s)

English

Published date

29-09-2006

1 Scope
2 Normative references
3 Definitions
4 Application considerations
  4.1 General
  4.2 Corrosive areas
  4.3 Installation considerations
  4.4 Process temperature accuracy
5 Thermal insulation
  5.1 General
  5.2 Selection of insulating material
  5.3 Selection of weather barrier (cladding)
  5.4 Selection of economical thickness
  5.5 Double insulation
6 System design
  6.1 Introduction
  6.2 Purpose of, and major requirement for, trace heating
  6.3 Heat loss calculations
  6.4 Heat-up considerations
  6.5 Heat-loss design safety factor
  6.6 Selection of trace heater
  6.7 Maximum temperature determination
  6.8 Design information
  6.9 Power system
  6.10 Start-up at low ambient temperatures
  6.11 Long cable runs
  6.12 Flow pattern analysis
  6.13 Dead-leg control technique
  6.14 Chimney effect
7 Control and monitoring equipment
  7.1 General
  7.2 Mechanical controllers
  7.3 Electronic controllers
  7.4 Application suitability
  7.5 Location of controllers
  7.6 Location of sensors
  7.7 Alarm considerations
8 Recommendations for installation, testing and maintenance
  8.1 Introduction
  8.2 Application
  8.3 Preparatory work
  8.4 Installation of trace-heating systems
  8.5 Installation of trace heaters
  8.6 Installation of control and monitoring equipment
  8.7 Installation of thermal insulation system
  8.8 Commissioning
  8.9 Maintenance
  8.10 Repairs
Annex ZA (normative) Normative references to international
         publications with their corresponding European
         publications

Gives recommendations for design, installation and maintenance of trace heating equipment and associated control and monitoring equipment.

Committee
EXL/31
DevelopmentNote
Supersedes 97/201655 DC. Renumbers and supersedes BS IEC 62086-2. 2005 Version incorporates amendment 16068 to BS IEC 62086-2. (09/2006)
DocumentType
Standard
Pages
44
PublisherName
British Standards Institution
Status
Superseded
SupersededBy
Supersedes

Standards Relationship
UNE-EN 62086-2:2007 Identical
NF EN 62086-2 : 2006 Identical
I.S. EN 62086-2:2005 Identical
EN 62086-2:2005 Identical
NBN EN 62086-2 : 2006 Identical
SN EN 62086-2 : 2005 Identical
DIN EN 62086-2 : 2006 Identical

IEC 60079-10:2002 Electrical apparatus for explosive gas atmospheres - Part 10: Classification of hazardous areas
IEC 60079-17:2013 Explosive atmospheres - Part 17: Electrical installations inspection and maintenance
IEC 60079-0:2011 Explosive atmospheres - Part 0: Equipment - General requirements
EN 60079-10:2003 Electrical apparatus for explosive gas atmospheres - Part 10: Classification of hazardous areas
IEC 60079-14:2013 Explosive atmospheres - Part 14: Electrical installations design, selection and erection
IEC 62086-1:2001 Electrical apparatus for explosive gas atmospheres - Electrical resistance trace heating - Part 1: General and testing requirements
EN 60079-14:2014/AC:2016 EXPLOSIVE ATMOSPHERES - PART 14: ELECTRICAL INSTALLATIONS DESIGN, SELECTION AND ERECTION (IEC 60079-14:2013/COR1:2016)
EN 62086-1:2005 Electrical apparatus for explosive gas atmospheres - Electrical resistance trace heating - Part 1: General and testing requirements
EN 60079-17:2014 Explosive atmospheres - Part 17: Electrical installations inspection and maintenance

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