BS EN 14973:2015
$142.49
Conveyor belts for use in underground installations. Electrical and flammability safety requirements
| Published By | Publication Date | Number of Pages |
| BSI | 2015 | 24 |
This European Standard specifies electrical and flammability safety requirements for conveyor belts intended for use in underground installations, in the presence of flammable or non-flammable atmospheres.
Conveyor belts covered by this European Standard and intended for use in flammable atmospheres are intended for use on conveyor belt installations (machinery in mines). The belt is a component or part of equipment, which can be incorporated into the conveyor, which is an equipment of Group I, Category M2, as defined in 3.2.2 of EN 13463‑1:2009 .
This European Standard is not applicable to light conveyor belts as described in EN ISO 21183‑1:2006 nor is it applicable to conveyor belts which are manufactured before the date of publication of this document by CEN.
This European Standard deals with those significant hazards detailed in A.1.
Attention is drawn to Annexes ZA and ZB.
A summary of the requirements of this European Standard is given in Table 2. This is intended for quick reference only.
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 4 | Contents Page |
| 6 | European foreword |
| 7 | Introduction |
| 8 | 1 Scope 2 Normative references |
| 9 | 3 Terms and definitions |
| 10 | 4 Ignition hazard assessment 5 Electrical resistance 6 Frictional heating 6.1 Conveyor belts intended for general use in underground installations (Class A), and for use in hazardous installations where secondary safety devices are present (Classes B2 and C2) 6.2 Conveyor belts intended for use in installations where there is a potentially flammable atmosphere and where secondary safety devices are not present (Class B1) |
| 11 | 6.3 Conveyor belts intended for use in installations where there is a potentially flammable atmosphere plus combustible dust or material conveyed, and where secondary safety devices are not present (Class C1) 7 Resistance to ignition 7.1 Conveyor belts intended for general use in underground installations (Class A), for use where there is a potentially flammable atmosphere (Classes B1 and B2), and for use in hazardous installations where secondary safety devices are present (Class… 7.2 Conveyor belts intended for use in installations where there is a potentially flammable atmosphere plus combustible dust or material conveyed, and where secondary safety devices are not present (Class C1) 8 Fire propagation 8.1 Introduction |
| 12 | 8.2 Conveyor belts intended for general use in underground installations (Class A) and for use where there is a potentially flammable atmosphere (Classes B1 and B2) 8.2.1 General 8.2.2 Two metre propane burner test 8.2.3 Double burner test 8.2.4 Mid-scale high energy test 8.3 Conveyor belts intended for use in installations where there is a potentially flammable atmosphere plus combustible dust or material conveyed, and where secondary safety devices are not present (Class C1) |
| 13 | 8.4 Conveyor belts intended for use in installations where there is a potentially flammable atmosphere plus combustible dust or material conveyed, plus additional fuel sources (fire load) and where secondary safety devices are present (Class C2) 8.4.1 Full scale gallery 8.4.2 Laboratory scale gallery Table 1 – Requirements when tested in accordance with EN 12881–1:2014, Method D 9 Marking |
| 15 | Annex A (informative) Hazards and risk assessment A.1 Identification of hazards A.2 Risk assessment |
| 16 | A.3 Methods for addressing hazards |
| 17 | Annex B (informative) Example of an ignition hazard assessment for a conveyor belt intended for use in a potentially explosive atmosphere Table B.1 — Example of an ignition hazard assessment |
| 18 | Annex C (informative) Suggested conveyor belt approval / compliance options |
| 19 | Annex ZA (informative) Relationship between this European Standard and the Essential Requirements of EU Directive 94/9/EC Table ZA.1 — Correspondence between this European Standard and Directive 94/9/EC |
| 20 | Annex ZB (informative) Relationship between this European Standard and the Essential Requirements of EC Directive 2006/42/EC |
| 21 | Bibliography |
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BS EN 14973:2015 – TC:2020 Edition
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