BS EN 60079-1:2004

Electrical apparatus for explosive gas atmospheres - Part 1: Flameproof enclosures 'd'

Executive summary

Requirements for the construction and testing of electrical apparatus with protection flameproof enclosure ‘d’.

Abstract

This part of EN 60079 contains specific requirements for the construction and testing of electrical apparatus with the type of protection flameproof enclosure ‘d’, intended for use in explosive gas atmospheres.

This European Standard covers supplementary requirements for shafts and bearings, breathing and draining devices which form part of flameproof enclosures, fasteners, associated holes and closing devices, materials and mechanical strength of enclosures, verification and tests, and non-metallic enclosures and non-metallic parts of enclosures.

History and related standards

This European Standard supersedes BS EN 50018:2000 which is withdrawn.

This standard includes the following cross-references:

IEC 60034-1:1996, IEC 60061 (all parts), IEC 60079-0:1998, IEC 60079-1-1:2002, IEC 60079-7:2001, IEC 60079-11:1999, IEC 60086-1:2000, IEC 60112:1979,

IEC 60127 (all parts), IEC 60529:1989, IEC 60707:1981, ISO 185:1988,

ISO 965-1:1998, ISO 965-3:1998, ISO 1210:1982, ISO 2738:1999, ISO 4003:1977, ISO 4022:1987, ISO 6892:1998 and ANSI/ASME B1.20.1-1983 (R2001).

BS EN 60079-1 contains the specific requirements for the construction and testing of

electrical apparatus with the type of protection flameproof enclosure 'd' intended for use in

potentially explosive gas atmospheres.

BS EN 60079-1:2004 provides information on:

• flameproof joints
• vemented joints
• operating rods
• supplementary requirements for shafts and bearings
• Light-transmitting parts
• breathing and draining devices which form part of a flameproof enclosure
• fasteners, associated holes and closing devices
• materials and mechanical strength of enclosures; materials inside the enclosures
• entries for flameproof enclosures
• verification, type and routine tests
• switchgear for Group I
• lampholders and Iampcaps
• non-metallic enclosures and non-metallic parts of enclosures.