Conveyor belts for use in underground installations - Electrical and flammability safety requirements

from CEN/TC 188 N362: The revision of EN 14973 should be started to bring it in line with the revised EN 12881-1 and EN 12881-2. (see Resolution 2/2011). The experts present agree that an Annex should be added to EN 14973 to specify that Family approval for belts is possible. Resolution 2/2011: The experts present agree that general revision of EN 14973 and EN 12882 is needed due to the work being done on EN 12881-1 and EN 12881-2.

Fördergurte für die Verwendung unter Tage - Elektrische und brandtechnische Sicherheitsanforderungen

Diese Europäische Norm legt elektrische und brandtechnische Sicherheitsanforderungen an Fördergurte für den Einsatz unter Tage bei entflammbarer und nicht entflammbarer Atmosphäre fest.
Fördergurte, die unter diese Europäische Norm fallen, sind vorgesehen für den Gebrauch in Förderanlagen beim Einsatz in entflammbaren Atmosphären (Bergwerken). Der Gurt ist ein Teil der Fördereinrichtung, die eine Ausrüstung nach Gruppe I, Kategorie M2 darstellt, wie in EN 13463-1:2009, 3.2.2 definiert.
Diese Europäische Norm ist nicht auf die in EN 873 beschriebenen leichten Fördergurte anwendbar und auch nicht auf Fördergurte, die vor dem Datum der Veröffentlichung dieses Dokuments durch CEN hergestellt wurden.
Diese Europäische Norm behandelt die in A.1 aufgeführten signifikanten Gefahren.
Aufmerksamkeit wird auf die Anhänge ZA und ZB gelenkt.
ANMERKUNG Tabelle 2 gibt eine Zusammenfassung der Anforderungen dieser Europäischen Norm.

Courroies transporteuses pour usage dans les installations souterraines - Prescriptions de sécurité électrique et protection contre l'inflammation

La présente Norme Européenne spécifie des prescriptions en matière de sécurité électrique et de protection contre l’inflammation, pour les courroies transporteuses destinées à être utilisées dans des installations souterraines, en atmosphères inflammables ou non inflammables.
Les courroies transporteuses couvertes par la présente Norme européenne et destinées à être utilisées en atmosphères inflammables sont destinées aux installations de convoyeur par bandes (machines dans les mines). La courroie est un composant ou une partie d’un équipement, qui peut être incorporé dans le convoyeur, qui est lui-même un équipement du Groupe 1, Catégorie M2, tel que défini en 3.2.2 de l'EN 13463 1:2009.
La présente Norme européenne n’est pas applicable aux courroies transporteuses légères telles que décrites dans l'EN ISO 21183 1:2006, ni aux courroies transporteuses qui ont été fabriquées avant la date de publication du présent document par le CEN.
La présente Norme européenne traite des phénomènes dangereux significatifs détaillés en A.1.
L’attention est attirée sur l’Annexe ZA et l'Annexe ZB.
NOTE   Un résumé des prescriptions de la présente Norme européenne est donné au Tableau 2. Ceci est destiné à une consultation rapide uniquement.

Naprave za kontinuirni transport - Trakovi tračnih transporterjev za podzemno vgradnjo - Električne in požarnovarnostne zahteve

Ta evropski standard določa električne in požarnovarnostne zahteve za trakove tračnih transporterjev, namenjenih za uporabo pri podzemnih vgradnjah, v prisotnosti vnetljivih ali nevnetljivih atmosfer.
Trakovi tračnih transporterjev, ki jih pokriva ta evropski standard in so namenjeni za uporabo v vnetljivih atmosferah, so namenjeni za uporabo v inštalacijah trakov tračnih transporterjev (stroji v rudnikih). Trak je komponenta ali del opreme, ki ga je mogoče vgraditi v tračni transporter, ki je oprema skupine I, kategorije M2, kot je opredeljeno v točki 3.2.2 v standardu EN 13463-1:2009.
Ta evropski standard ne velja za lahke trakove tračnih transporterjev, kot je opisano v standardu EN ISO 21183-1:2006, niti za trakove tračnih transporterjev, izdelane pred datumom objave tega dokumenta s strani združenja CEN.
Ta evropski standard obravnava večje nevarnosti, opredeljene pod točko A.1. Posebna pozornost je namenjena dodatkoma ZA in ZB. OPOMBA V preglednici 2 je podan povzetek zahtev tega evropskega standarda. To je namenjeno samo za hitri pregled.

General Information

Status
Published
Public Enquiry End Date
31-Jan-2014
Publication Date
21-Dec-2015
Current Stage
6060 - National Implementation/Publication (Adopted Project)
Start Date
10-Dec-2015
Due Date
14-Feb-2016
Completion Date
22-Dec-2015

Relations

Effective Date
01-Feb-2016
Effective Date
06-Mar-2023

Overview

EN 14973:2015 - "Conveyor belts for use in underground installations - Electrical and flammability safety requirements" is a CEN standard that specifies electrical and fire-safety requirements for conveyor belts used in underground environments (including potentially flammable atmospheres). It defines hazard assessment procedures and classifies belts into safety Classes A, B (B1/B2) and C (C1/C2) depending on access, presence of explosive atmospheres, combustible dust/materials and whether secondary safety devices are provided. The standard is a type C machinery-related standard and links to EU directives via informative annexes.

Key topics and technical requirements

  • Ignition hazard assessment - Operating companies must carry out an ignition hazard assessment to determine which belt class is required; Annex A and example Annex B provide guidance.
  • Classification - Three main classes:
    • Class A: general use (limited escape/access hazards).
    • Class B: potentially explosive atmosphere (B1 without secondary safety devices; B2 with devices).
    • Class C: potentially explosive atmosphere plus additional combustible dust/material or fire load (C1 without devices; C2 with devices).
  • Electrical safety - Belts intended for underground use must meet electrical surface conductivity/resistance requirements (test methods referenced in EN ISO 284).
  • Frictional heating - Drum friction tests (EN 1554) specify behaviour limits:
    • For B1 belts: no flame or glow and drum temperature must not exceed 450 °C.
    • For C1 belts (coal-dust environments): no flame or glow and drum temperature must not exceed 325 °C.
    • For A, B2, C2: glowing permitted but no flame in specified tests.
  • Resistance to ignition and fire propagation - Requirements and test procedures (propane burner tests, double-burner, mid-scale high-energy tests). A laboratory-scale alternative (Method D) was added to allow substitution of a full-scale test for defined belt ranges.
  • Marking and documentation - Marking, classification and supporting test evidence are required; Annex C suggests approval/compliance options.

Applications and who uses it

  • Mining and underground operators selecting conveyor belts for shafts, galleries and tunnels.
  • Conveyor-belt manufacturers and designers developing products for underground use.
  • Safety engineers, risk assessors and maintenance teams responsible for fire and explosion safety.
  • Certification bodies and regulators assessing compliance with EU directives for equipment in potentially explosive atmospheres.

Related standards (selection)

  • EN 1554 (drum friction testing)
  • EN 12881-1 / EN 12881-2 (fire simulation flammability testing)
  • EN ISO 284 (electrical conductivity/resistance)
  • EN ISO 22721 / EN ISO 15236-3 (belt specifications for mining)
  • EN 1710 and EN 13463-1 (equipment for explosive atmospheres)

Keywords: EN 14973:2015, conveyor belts, underground installations, electrical safety, flammability, ignition hazard assessment, frictional heating, fire propagation, mining safety.

Frequently Asked Questions

SIST EN 14973:2016 is a standard published by the Slovenian Institute for Standardization (SIST). Its full title is "Conveyor belts for use in underground installations - Electrical and flammability safety requirements". This standard covers: from CEN/TC 188 N362: The revision of EN 14973 should be started to bring it in line with the revised EN 12881-1 and EN 12881-2. (see Resolution 2/2011). The experts present agree that an Annex should be added to EN 14973 to specify that Family approval for belts is possible. Resolution 2/2011: The experts present agree that general revision of EN 14973 and EN 12882 is needed due to the work being done on EN 12881-1 and EN 12881-2.

from CEN/TC 188 N362: The revision of EN 14973 should be started to bring it in line with the revised EN 12881-1 and EN 12881-2. (see Resolution 2/2011). The experts present agree that an Annex should be added to EN 14973 to specify that Family approval for belts is possible. Resolution 2/2011: The experts present agree that general revision of EN 14973 and EN 12882 is needed due to the work being done on EN 12881-1 and EN 12881-2.

SIST EN 14973:2016 is classified under the following ICS (International Classification for Standards) categories: 13.220.40 - Ignitability and burning behaviour of materials and products; 53.040.20 - Components for conveyors. The ICS classification helps identify the subject area and facilitates finding related standards.

SIST EN 14973:2016 has the following relationships with other standards: It is inter standard links to SIST EN 14973:2007+A1:2008, oSIST prEN 14973:2024. Understanding these relationships helps ensure you are using the most current and applicable version of the standard.

SIST EN 14973:2016 is associated with the following European legislation: EU Directives/Regulations: 2006/42/EC, 2014/34/EU, 94/9/EC, EUR-PUB; Standardization Mandates: M/079, M/396, M/BC/CEN/92/46. When a standard is cited in the Official Journal of the European Union, products manufactured in conformity with it benefit from a presumption of conformity with the essential requirements of the corresponding EU directive or regulation.

You can purchase SIST EN 14973:2016 directly from iTeh Standards. The document is available in PDF format and is delivered instantly after payment. Add the standard to your cart and complete the secure checkout process. iTeh Standards is an authorized distributor of SIST standards.

Standards Content (Sample)


2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Fördergurte für die Verwendung unter Tage - Elektrische und brandtechnische SicherheitsanforderungenCourroies transporteuses pour usage dans les installations souterraines - Prescriptions de sécurité électrique et protection contre l'inflammationConveyor belts for use in underground installations - Electrical and flammability safety requirements53.040.20Deli za transporterjeComponents for conveyors13.220.40Sposobnost vžiga in obnašanje materialov in proizvodov pri gorenjuIgnitability and burning behaviour of materials and productsICS:Ta slovenski standard je istoveten z:EN 14973:2015SIST EN 14973:2016en,fr,de01-februar-2016SIST EN 14973:2016SLOVENSKI
STANDARDSIST EN 14973:2007+A1:20081DGRPHãþD

EUROPEAN STANDARD NORME EUROPÉENNE EUROPÄISCHE NORM
EN 14973
November
t r s w ICS
w uä r v rä s râ
s uä t t rä v r Supersedes EN
s v { y uã t r r x ªA sã t r r zEnglish Version
Conveyor belts for use in underground installations æ Electrical and flammability safety requirements Courroies transporteuses pour usage dans les installations souterraines æ Prescriptions de sécurité électrique et protection contre l 5inflammation
Fördergurte für die Verwendung unter Tage æ Elektrische und brandtechnische Sicherheitsanforderungen This European Standard was approved by CEN on
t x September
t r s wä
egulations which stipulate the conditions for giving this European Standard the status of a national standard without any alterationä Upætoædate lists and bibliographical references concerning such national standards may be obtained on application to the CENæCENELEC Management Centre or to any CEN memberä
translation under the responsibility of a CEN member into its own language and notified to the CENæCENELEC Management Centre has the same status as the official versionsä
CEN members are the national standards bodies of Austriaá Belgiumá Bulgariaá Croatiaá Cyprusá Czech Republicá Denmarká Estoniaá Finlandá Former Yugoslav Republic of Macedoniaá Franceá Germanyá Greeceá Hungaryá Icelandá Irelandá Italyá Latviaá Lithuaniaá Luxembourgá Maltaá Netherlandsá Norwayá Polandá Portugalá Romaniaá Slovakiaá Sloveniaá Spainá Swedená Switzerlandá Turkey and United Kingdomä
EUROPEAN COMMITTEE FOR STANDARDIZATION COMITÉ EUROPÉEN DE NORMALISATION EUROPÄISCHES KOMITEE FÜR NORMUNG
CEN-CENELEC Management Centre:
Avenue Marnix 17,
B-1000 Brussels
t r s w CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Membersä Refä Noä EN
s v { y uã t r s w ESIST EN 14973:2016

Hazards and risk assessment . 13 SIST EN 14973:2016

Example of an ignition hazard assessment for a conveyor belt intended for use in a potentially explosive atmosphere . 15 Annex C (informative)
Suggested conveyor belt approval / compliance options . 16 Annex ZA (informative)
Relationship between this European Standard and the Essential Requirements of EU Directive 94/9/EC . 17 Annex ZB (informative)
Relationship between this European Standard and the Essential Requirements of EC Directive 2006/42/EC . 18 Bibliography . 19
A summary of the requirements of this European Standard is given in Table 2. This is intended for quick reference only. 2 Normative references The following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. EN 1554:2012, Conveyor belts — Drum friction testing EN 1710:2005+A1:2008, Equipment and components intended for use in potentially explosive atmospheres in underground mines EN 12881-1:2014, Conveyor belts — Fire simulation flammability testing — Part 1: Propane burner tests EN 12881-2, Conveyor belts — Fire simulation flammability testing — Part 2: Large-scale fire test EN 13463-1:2009, Non-electrical equipment for use in potentially explosive atmospheres — Part 1: Basic method and requirements EN 31010, Risk management — Risk assessment techniques EN ISO 284, Conveyor belts — Electrical conductivity — Specification and test method (ISO 284) EN ISO 340, Conveyor belts — Laboratory scale flammability characteristics — Requirements and test method (ISO 340) EN ISO 12100, Safety of machinery — General principles for design — Risk assessment and risk reduction (ISO 12100) EN ISO 15236-3:2007, Steel cord conveyor belts — Part 3: Special safety requirements for belts for use in underground installations (ISO 15236-3:2007) EN ISO 22721:2007, Conveyor belts — Specification for rubber- or plastics-covered conveyor belts of textile construction for underground mining (ISO 22721:2007) SIST EN 14973:2016

u r r M Àä 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) When tested in accordance with EN 1554:2012, Method B2, or Method B1 if the use of Method B2 is impossible, e.g. when testing steel cord conveyor belts, conveyor belts intended for use in these applications shall exhibit no flame whatsoever, although glowing is permissible. No requirements are included for the maximum temperature of the drum. 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) When tested in accordance with EN 1554:2012, Method B2, or Method B1 if the use of Method B2 is impossible, e.g. when testing steel cord conveyor belts, conveyor belts intended for use in flammable atmospheres shall exhibit no flame or glow whatsoever and at no time shall the temperature of the drum exceed 450 °C. NOTE If the intrinsic properties of the conveyor belt alone are to be used to give a safe situation in the presence of flammable atmospheres, it is important to limit the temperature of the drum and not to allow glow. The temperature of 450 °C was chosen as being adequately below the ignition temperature of methane-air mixtures when in the presence of a hot drum surface. SIST EN 14973:2016
...

Questions, Comments and Discussion

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この記事は、SIST EN 14973:2016 - 地下施設用のコンベヤーベルト - 電気および燃焼安全性の要件について説明しています。このヨーロッパ規格は、可燃性または非可燃性の環境で使用する地下施設用のコンベヤーベルトに対する電気および燃焼安全性の要件を定めています。このヨーロッパ規格は、可燃性環境で使用するコンベヤーベルトを対象としており、鉱山の機械装置であるコンベヤーベルトの設置に使用されます。これはコンベヤーに組み込まれることができる装置の構成要素であり、EN 13463-1:2009の3.2.2で定義されたグループI、カテゴリM2の装置です。このヨーロッパ規格は、EN ISO 21183-1:2006で説明されている軽量コンベヤーベルトには適用されず、この文書がCENによって公表された日付より前に製造されたコンベヤーベルトにも適用されません。このヨーロッパ規格は、A.1で詳述されている重大な危険に対処しています。付録ZAおよびZBに注意が必要です。このヨーロッパ規格の要件の概要は、表2で簡単な参照のために提供されています。

記事のタイトル:SIST EN 14973:2016 - 地下設置用のコンベアベルト - 電気および燃焼安全要件 記事の内容:このヨーロッパ標準は、引火性または非引火性の環境で使用するための地下設置用コンベアベルトの電気および燃焼安全要件を規定しています。 このヨーロッパ標準は、可燃性の環境で使用されるコンベアベルトに適用され、鉱山のコンベアベルト設備(EN 13463-1:2009 3.2.2で定義されるグループI、カテゴリM2の装置)に使用されます。 このヨーロッパ標準は、EN ISO 21183-1:2006で説明されている軽量コンベアベルトには適用されず、また、CENによるこの文書の発行日以前に製造されたコンベアベルトにも適用されません。 このヨーロッパ標準は、A.1で詳細に説明される重大な危険に対処しています。 ZAおよびZBの付録に注目してください。 注:このヨーロッパ標準の要件の要約は、テーブル2に示されています。これは迅速な参照のために提供されています。

The article discusses the specification of electrical and flammability safety requirements for conveyor belts used in underground installations with flammable or non-flammable atmospheres. The standard applies to conveyor belts used in flammable atmospheres in mines. It does not apply to light conveyor belts or those manufactured before the publication date. The article also mentions Annexes ZA and ZB, and provides a summary of the requirements in Table 2 for quick reference.

이 기사는 SIST EN 14973:2016 - 지하 설치용 컨베이어 벨트 - 전기 및 불연성 안전 요구 사항에 대해 설명합니다. 이 유럽 표준은 인화성 또는 비인화성 환경에서 사용되는 지하 설치용 컨베이어 벨트에 대한 전기 및 불연성 안전 요구 사항을 명시합니다. 이 유럽 표준은 인화성 환경에서 사용되는 컨베이어 벨트를 대상으로하며, 광산의 기계 장치인 컨베이어 벨트 설치에 사용됩니다. 이는 컨베이어에 통합 될 수있는 장치의 구성 요소이며, EN 13463-1:2009의 3.2.2에 정의 된 그룹 I, 카테고리 M2의 장비입니다. 이 유럽 표준은 EN ISO 21183-1:2006에 설명 된 경량 컨베이어 벨트에는 적용되지 않으며, 이 문서가 CEN에 의해 발표 된 날짜 이전에 제조 된 컨베이어 벨트에도 적용되지 않습니다. 이 유럽 표준은 A.1에 설명 된 중대한 위험 사항을 다룹니다. 부록 ZA 및 ZB에 주의를 기울여야합니다. 이 유럽 표준의 요구 사항에 대한 요약은 표 2에 제공됩니다. 이는 빠른 참조를 위한 것입니다.

기사 제목: SIST EN 14973:2016 - 지하 설치용 컨베이어 벨트 - 전기 및 화염 안전 요구 사항 기사 내용: 이 유럽 표준은 가연 또는 비가연 분위기에서 사용되는 지하 설치용 컨베이어 벨트의 전기 및 화재 안전 요구 사항을 명시합니다. 이 유럽 표준은 가연 분위기에서 사용되는 컨베이어 벨트를 다루며, 광산 기계의 컨베이어 벨트 설치(장비 그룹 I, 카테고리 M2로 정의된 EN 13463-1:2009 3.2.2 참조)에 사용됩니다. 이 유럽 표준은 EN ISO 21183-1:2006에서 설명된 경량 컨베이어 벨트에는 적용되지 않으며, CEN이 이 문서를 발표하기 전에 제작된 컨베이어 벨트에도 적용되지 않습니다. 이 유럽 표준은 A.1에서 상세히 설명된 위험 상황을 다룹니다. ZA 및 ZB 부록에 유의해야 합니다. 주의: 이 유럽 표준의 요구 사항 요약은 표 2에 제공됩니다. 이는 신속한 참조를 위한 것입니다.

The article discusses the European Standard EN 14973:2016, which sets out safety requirements for conveyor belts used in underground installations with flammable or non-flammable atmospheres. The standard applies to conveyor belts used in mines, particularly those that are part of Group I, Category M2 equipment according to EN 13463-1:2009. It does not cover light conveyor belts or those manufactured before the publication of the standard. The article also highlights Annexes ZA and ZB and provides a summary of the standard's requirements in Table 2 for quick reference.