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NEN EN 13463-2 : 2004
Current
The latest, up-to-date edition.
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NON-ELECTRICAL EQUIPMENT FOR USE IN POTENTIALLY EXPLOSIVE ATMOSPHERES - PART 2: PROTECTION BY FLOW RESTRICTING ENCLOSURE 'FR'
12-01-2013
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 General
4.1 General requirements
4.2 Determination of suitability
5 Specific requirements and limitations
5.1 Nature of ignition source
5.2 Test requirements
5.3 Enclosures without the provision for carrying out
checks after installation
5.4 Enclosures with provisions for carrying out checks
after installation
5.5 Resilient gaskets
5.6 Poured seals and encapsulating compounds
5.7 Internal fans or similar devices
5.8 Limits of operation
6 Verifications and tests
6.1 Preconditioning for seals and gaskets used to maintain
the flow restricting effect
6.2 Tests
6.2.1 Equipment with provisions for checking of flow
restricting properties
6.2.2 Equipment without provisions for checking of flow
restricting properties
6.2.3 Equipment where the nominal volume of the enclosure
changes due to pressure
6.2.4 Routine production test
7 Instructions for use
8 Marking
Annex ZA (informative) Clauses of this European Standard
addressing essential requirements or
other provisions of EU Directives
Bibliography
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