EN 1834-2:2000

Reciprocating internal combustion engines - Safety requirements for design and construction of engines for use in potentially explosive atmospheres - Part 2: Group I engines for use in underground workings susceptible to firedamp and/or combustible dust

This European standard specifies the safety requirements and/or measures to remove the hazards and limit the risks on reciprocating internal combustion compression ignition engines of group I category M2 for use in underground workings susceptible to firedamp and/or combustible dust hereinafter referred to as engines. The standard does not define requirements relating to the driven machinery.

Hubkolben-Verbrennungsmotoren - Sicherheitsanforderungen für die Konstruktion und den Bau von Motoren zur Verwendung in explosionsgefährdeten Bereichen - Teil 2: Motoren der Gruppe I zur Verwendung in untertägigen Bergwerken, die durch Grubengas und/oder brennbare Stäube gefährdet werden können

Diese Europäische Norm spezifiziert die Sicherheitsanforderungen und/oder Maßnahmen um Gefahren abzuwenden und Risiken zu begrenzen, die selbstzündende Hubkolben-Verbrennungs-motoren -im nachfolgenden Motoren genannt- der Gruppe 1, Kategorie M2 zur Verwendung in untertägigen Bergwerken, die durch Grubengas und/oder brennbare Stäube gefährdet werden können, darstellen. Diese Norm definiert nicht die Anforderungen für die angetriebenen Maschinen.

Moteurs alternatifs à combustion interne - Prescriptions de sécurité pour la conception et la construction des moteurs fonctionnant en atmosphère explosible - Partie 2: Moteurs du groupe I utilisés dans des travaux souterrains dans des atmosphères grisouteuses avec ou sans poussières inflammables

La présente norme européenne spécifie les prescriptions de sécurité et décrit les méthodes d'élimination des risques ou les mesures qui doivent être prises pour réduire les risques qui ne peuvent être éliminés pour les moteurs alternatifs à allumage par compression du groupe I et de catégorie M2 à combustion interne utilisés dans des travaux souterrains en atmosphère grisouteuse avec ou sans poussières inflammables et désignés ci-après par le terme "moteur". La présente norme européenne ne précise pas les prescriptions concernant les machines entraînées.

Batni motorji z notranjim zgorevanjem - Varnostne zahteve za načrtovanje in konstruiranje motorjev za uporabo v potencialno eksplozivnih atmosferah - 2. del: Motorji skupine I za uporabo v podzemnih deloviščih, ki jih ogroža jamski eksplozivni plin in/ali vnetljiv prah

General Information

• Status: Published
• Publication Date: 18-Jan-2000
• Withdrawal Date: 30-Jul-2000
• ICS: 13.230 - Explosion protection
• ICS: 27.020 - Internal combustion engines
• Technical Committee: CEN/TC 305 - Potentially explosive atmospheres - Explosion prevention and protection
• Drafting Committee: CEN/TC 270/WG 2 - Internal combustion engines for use in potentially explosive atmospheres
• Current Stage: 9093 - Decision to confirm - Review Enquiry
• Start Date: 03-Sep-2007
• Completion Date: 03-Sep-2007
• Directive: 2014/34/EU - Directive 2014/34/EU Of The European Parliament And Of The Council of 26 February 2014 on the harmonisation of the laws of the Member States relating to equipment and protective systems intended for use in potentially explosive atmospheres (recast)
• Directive: 94/9/EC - Directive 94/9/EC of the European Parliament and the Council of 23 March 1994 on the approximation of the laws of the Member States concerning equipment and protective systems intended for use in potentially explosive atmospheres
• Directive: 98/37/EC - Machinery
• Mandate: M/BC/CEN/88/13 - Standardization request to CEN/CENELEC relating to machinery
• Mandate: M/BC/CEN/92/46 - Standardization mandate assigned to CEN/CENELEC concerning equipment and protective systems intended for use in potentially explosive atmospheres
• Ref Project: SIST EN 1834-2:2000 - Reciprocating internal combustion engines - Safety requirements for design and construction of engines for use in potentially explosive atmospheres - Part 2: Group I engines for use in underground workings susceptible to firedamp and/or combustible dust

Relations

• Revised: prEN ISO/IEC 80079-41 - Explosive atmospheres - Part 41: Reciprocating internal combustion engines (ISO/IEC DIS 80079-41:2025)
• Effective Date: 20-Aug-2025

Overview

EN 1834-2:2000 is a CEN European standard that sets safety requirements for the design and construction of reciprocating internal combustion compression‑ignition engines intended for use in underground workings susceptible to firedamp (methane) and/or combustible dust. The standard applies to Group I engines, category M2, and focuses on reducing ignition sources and limiting explosion risk in mining and other underground environments. It does not cover requirements for the driven machinery attached to the engines.

Key Topics

This part of EN 1834 addresses practical safety measures and design considerations for engines used in explosive underground atmospheres. Key topics typically covered include:

• Scope and definitions for Group I / M2 engines in underground workings
• Design and construction principles to minimize ignition risks from hot surfaces, sparks or electrical sources
• Protective measures appropriate for environments with firedamp and combustible dust
• Materials, enclosures and sealing to prevent gas/dust ingress and to contain ignition sources
• Marking, documentation and instructions for safe installation, operation and maintenance
• Inspection, testing and verification requirements to demonstrate compliance before and during service

(Note: EN 1834-2:2000 specifically excludes requirements for the driven machinery; it concentrates on engine construction and safety measures.)

Applications

EN 1834-2:2000 is relevant for organizations and professionals involved in:

• Design, manufacture and certification of reciprocating internal combustion engines for underground mining and tunneling
• Safety engineering and explosion protection in underground workings where firedamp or combustible dust may be present
• Procurement and technical specification of engines for quarrying, mining support equipment, and underground construction
• Maintenance, inspection and safety compliance teams tasked with ensuring engines meet European explosion-protection expectations

Using EN 1834-2 helps reduce the risk of explosions, improves regulatory compliance, and supports safe operation of compression‑ignition engines in hazardous underground atmospheres.

Related Standards

• Other CEN/CENELEC standards and national mining safety regulations addressing explosion protection, equipment certification and installation practices (refer to local regulatory lists and ATEX guidance for broader compliance context).

Keywords: EN 1834-2:2000, reciprocating internal combustion engines, explosion protection, firedamp, combustible dust, Group I engines, safety requirements, underground workings, CEN standard.

Standards Content (Sample)

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Hubkolben-Verbrennungsmotoren - Sicherheitsanforderungen für die Konstruktion und den Bau von Motoren zur Verwendung in explosionsgefährdeten Bereichen - Teil 2: Motoren der Gruppe I zur Verwendung in untertägigen Bergwerken, die durch Grubengas und/oder brennbare Stäube gefährdet werden könnenMoteurs alternatifs a combustion interne - Prescriptions de sécurité pour la conception et la construction des moteurs fonctionnant en atmosphere explosible - Partie 2: Moteurs du groupe I utilisés dans des travaux souterrains dans des atmospheres grisouteuses avec ou sans poussieres inflammablesReciprocating internal combustion engines - Safety requirements for design and construction of engines for use in potentially explosive atmospheres - Part 2: Group I engines for use in underground workings susceptible to firedamp and/or comb
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