ДСТУ EN 60079-0:2017 Взрывоопасные среды. Часть 0. Оборудование. Общие требования (EN 60079-0:2012, IDT)
ПІДТВЕРДЖУВАЛЬНЕ ПОВІДОМЛЕННЯ
Державне підприємство
«Український науково-дослідний і навчальний центр
проблем стандартизації, сертифікації та якості»
(
(ДП «УкрНДНЦ»))
Наказ від 25.07.2017 № 192
EN 60079-0:2012
Explosive atmospheres — Part 0: Equipment —
General requirements
прийнято як національний стандарт
методом «підтвердження» за позначенням
ДСТУ EN 60079-0:2017
(EN 60079-0:2012, IDT)
Вибухонебезпечні середовища.
Частина 0. Устатковання. Загальні вимоги
З наданням чинності від 2017-07-26
CONTENTS
FOREWORD
1 Scope
2 Normative references
3 Terms and definitions
4 Equipment grouping
4.1 Group I
4.2 Group II
4.3 Group III
4.4 Equipment for a particular explosive atmosphere
5 Temperatures
5.1 Environmental influences
5.1.1 Ambient temperature
5.1.2 External source of heating or cooling
5.2 Service temperature
5.3 Maximum surface temperature
5.3.1 Determination of maximum surface temperature
5.3.2 Limitation of maximum surface temperature
5.3.3 Small component temperature for Group I or Group II electrical equipment
6 Requirements for all electrical equipment
6.1 General
6.2 Mechanical strength of equipment
6.3 Opening times
6.4 Circulating currents in enclosures (e.g. of large electrical machines)
6.5 Gasket retention
6.6 Electromagnetic and ultrasonic energy radiating equipment
6.6.1 Radio frequency sources
6.6.2 Lasers or other continuous wave sources
6.6.3 Ultrasonic sources
7 Non-metallic enclosures and non-metallic parts of enclosures
7.1 General
7.1.1 Applicability
7.1.2 Specification of materials
7.2 Thermal endurance
7.2.1 Tests for thermal endurance
7.2.2 Material selection
7.2.3 Alternative qualification of elastomeric sealing O-rings
7.3 Resistance to light
7.4 Electrostatic charges on external non-metallic materials
7.4.1 Applicability
7.4.2 Avoidance of a build-up of electrostatic charge on Group I or Group II electrical equipment
7.4.3 Avoidance of a build-up of electrostatic charge on equipment for Group III
7.5 Accessible metal parts
8 Metallic enclosures and metallic parts of enclosures
8.1 Material composition
8.2 Group I
8.3 Group II
8.4 Group III
9 Fasteners
9.1 General
9.2 Special fasteners
9.3 Holes for special fasteners
9.3.1 Thread engagement
9.3.2 Tolerance and clearance
9.3.3 Hexagon socket set screws
10 Interlocking devices
11 Bushings
12 Materials used for cementing
13 Ex Components
13.1 General
13.2 Mounting
13.3 Internal mounting
13.4 External mounting
13.5 Ex Component certificate
14 Connection facilities and termination compartments
14.1 General
14.2 Termination compartment
14.3 Type of protection
14.4 Creepage and clearance
15 Connection facilities for earthing or bonding conductors
15.1 Equipment requiring earthing
15.1.1 Internal
15.1.2 External
15.2 Equipment not requiring earthing
15.3 Size of conductor connection
15.4 Protection against corrosion
15.5 Secureness of electrical connections
16 Entries into enclosures
16.1 General
16.2 Identification of entries
16.3 Cable glands
16.4 Blanking elements
16.5 Thread adapters
16.6 Temperature at branching point and entry point
16.7 Electrostatic charges of cable sheaths
17 Supplementary requirements for rotating machines
17.1 Ventilation
17.1.1 Ventilation openings
17.1.2 Materials for external fans
17.1.3 Cooling fans of rotating machines
17.1.4 Auxiliary motor cooling fans .
17.1.5 Ventilating fans
17.2 Bearings
18 Supplementary requirements for switchgear
18.1 Flammable dielectric
18.2 Disconnectors
18.3 Group I – Provisions for locking
18.4 Doors and covers
19 Supplementary requirements for fuses
20 Supplementary requirements for plugs, socket outlets and connectors
20.1 General
20.2 Explosive gas atmospheres
20.3 Explosive dust atmospheres
20.4 Energized plugs
21 Supplementary requirements for luminaires
21.1 General
21.2 Covers for luminaires of EPL Mb, EPL Gb, or EPL Db
21.3 Covers for luminaires of EPL Gc or EPL Dc
21.4 Sodium lamps
22 Supplementary requirements for caplights and handlights
22.1 Group I caplights
22.2 Group II and Group III caplights and handlights
23 Equipment incorporating cells and batteries
23.1 General
23.2 Batteries
23.3 Cell types
23.4 Cells in a battery
23.5 Ratings of batteries
23.6 Interchangeability
23.7 Charging of primary batteries
23.8 Leakage
23.9 Connections
23.10 Orientation
23.11 Replacement of cells or batteries
23.12 Replaceable battery pack
24 Documentation
25 Compliance of prototype or sample with documents
26 Type tests
26.1 General
26.2 Test configuration
26.3 Tests in explosive test mixtures
26.4 Tests of enclosures
26.4.1 Order of tests
26.4.2 Resistance to impact
26.4.3 Drop test
26.4.4 Acceptance criteria
26.4.5 Degree of protection (IP) by enclosures
26.5 Thermal tests
26.5.1 Temperature measurement
26.5.2 Thermal shock test
26.5.3 Small component ignition test (Group I and Group II)
26.6 Torque test for bushings
26.6.1 Test procedure
26.6.2 Acceptance criteria
26.7 Non-metallic enclosures or non-metallic parts of enclosures
26.7.1 General
26.7.2 Test temperatures
26.8 Thermal endurance to heat
26.9 Thermal endurance to cold
26.10 Resistance to light
26.10.1 Test procedure
26.10.2 Acceptance criteria
26.11 Resistance to chemical agents for Group I electrical equipment
26.12 Earth continuity
26.13 Surface resistance test of parts of enclosures of non-metallic materials
26.14 Measurement of capacitance
26.14.1 General
26.14.2 Test procedure
26.15 Verification of ratings of ventilating fans
26.16 Alternative qualification of elastomeric sealing O-rings
27 Routine tests
28 Manufacturer's responsibility
28.1 Conformity with the documentation
28.2 Certificate
28.3 Responsibility for marking
29 Marking
29.1 Applicability
29.2 Location
29.3 General
29.4 Ex marking for explosive gas atmospheres
29.5 Ex marking for explosive dust atmospheres
29.6 Combined types (or levels) of protection
29.7 Multiple types of protection
29.8 Ga equipment using two independent Gb types (or levels) of protection
29.9 Ex Components
29.10 Small equipment and small Ex Components
29.11 Extremely small equipment and extremely small Ex Components
29.12 Warning markings
29.13 Alternate marking of equipment protection levels (EPLs)
29.13.1 Alternate marking of type of protection for explosive gas atmospheres
29.13.2 Alternate marking of type of protection for explosive dust atmospheres
29.14 Cells and batteries
29.15 Converter-fed electrical machines
29.16 Examples of marking
30 Instructions
30.1 General
30.2 Cells and batteries
30.3 Electrical machines
30.4 Ventilating fans
Annex A (normative) Supplementary requirements for cable glands
Annex B (normative) Requirements for Ex Components
Annex C (informative) Example of rig for resistance to impact test
Annex D (informative) Motors supplied by converters
Annex E (informative) Temperature rise testing of electric machines
Annex F (informative) Guideline flowchart for tests of non-metallic enclosures or nonmetallic parts of enclosures (26.4)
Bibliography
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