EN 1834-1:2000
(Main)Reciprocating internal combustion engines - Safety requirements for design and construction of engines for use in potentially explosive atmospheres - Part 1: Group II engines for use in flammable gas and vapour atmospheres
General Information
- Abstract
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 hereinafter referred to as "engines" of group II categories 2 and 3 for use in potentially explosive atmospheres of flammable gas and vapour. This European standard does not apply to flammable gas and vapour atmospheres containing carbon disulphide (CS2).
- Status
- Published
- Publication Date
- 18-Jan-2000
- Withdrawal Date
- 30-Jul-2000
- Current Stage
- 9093 - Decision to confirm - Review Enquiry
- Start Date
- 03-Sep-2007
- Completion Date
- 03-Sep-2007
- Directive
- Harmonized Standard2014/34/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)OJ Ref: C, C 126, HARMONIZIRAN OJ Date: 08-Apr-2016
Not Harmonized94/9/EC - Equipment and protective systems intended for use in potentially explosive atmospheres (ATEX)OJ Ref: C 1, C 192, C 20, C 204, C 205, C 300, C 57 OJ Date: 21-Jul-2001
Not Harmonized98/37/EC - MachineryOJ Ref: C, C 336 OJ Date: 31-Dec-2005
Overview
EN 1834-1:2000 (CEN) specifies safety requirements for the design and construction of reciprocating internal combustion compression ignition engines intended for use in potentially explosive atmospheres containing flammable gas and vapour. The standard applies to Group II engines in categories 2 and 3, and focuses on measures to remove hazards and limit risks associated with engine use in such atmospheres. Note: this part does not apply to atmospheres containing carbon disulphide (CS2).
Key Topics
The standard establishes normative requirements and guidance on safety aspects including, but not limited to:
- Design and construction principles for compression ignition (diesel) engines used in hazardous environments.
- Hazard elimination and risk limitation measures to prevent ignition of flammable gas and vapour.
- Material selection and mechanical integrity to withstand operating stresses in explosive atmospheres.
- Containment and venting concepts to manage potential release of flammable fluids.
- Control of ignition sources, including hot surfaces, sparks and electrical equipment interfacing with engines.
- Sealing and enclosure practices to minimize ingress of flammable atmospheres to ignition-capable components.
- Inspection, maintenance and marking requirements to ensure ongoing safe operation and traceability.
- Exclusions and scope limits, explicitly excluding CS2-containing atmospheres from Part 1’s coverage.
(These topics reflect the standard’s focus on safety requirements for reciprocating internal combustion compression ignition engines in flammable gas and vapour atmospheres.)
Applications
EN 1834-1:2000 is used where compression ignition engines operate in environments with potential explosive gas/vapour atmospheres. Typical practical applications include:
- Industrial power and prime movers in petrochemical and chemical plants
- Emergency and standby diesel generators located in hazardous areas
- Engine-driven pumps and compressors in oil & gas processing and storage facilities
- Mobile or fixed equipment that must meet safety requirements before installation in flammable gas zones
Who Uses This Standard
- Engine manufacturers designing Group II compression ignition engines for hazardous areas
- System integrators and OEMs specifying engines for installations in potentially explosive atmospheres
- Safety engineers and compliance officers ensuring installations conform to European safety requirements
- Testing and certification bodies assessing engines for conformity with explosion-protection requirements
Related Standards
Relevant reference documents often consulted alongside EN 1834-1:2000 include other EN/ISO standards and regional explosion-protection regulations addressing equipment categories, installation practices, and conformity assessment (e.g., standards and directives covering explosion protection, electrical equipment in hazardous areas, and engine testing).
Keywords: EN 1834-1:2000, reciprocating internal combustion engines, compression ignition engines, explosion protection, potentially explosive atmospheres, flammable gas and vapour, safety requirements, Group II engines, CEN.
Relations
- Effective Date
- 25-Aug-2026
- Effective Date
- 25-Aug-2026
- Effective Date
- 25-Aug-2026
- Effective Date
- 25-Aug-2026
- Effective Date
- 25-Aug-2026
- Effective Date
- 25-Aug-2026
- Effective Date
- 25-Aug-2026
- Effective Date
- 25-Aug-2026
- Refers
EN 50021:1999 - Electrical apparatus for potentially explosive atmospheres - Type of protection "n" - Effective Date
- 09-Feb-2026
- Effective Date
- 09-Feb-2026
- Effective Date
- 09-Feb-2026
- Refers
EN 50017:1994 - Electrical apparatus for potentially explosive atmospheres - Powder filling "q" - Effective Date
- 09-Feb-2026
- Refers
EN 50015:1994 - Electrical apparatus for potentially explosive atmospheres - Oil immersion "o" - Effective Date
- 09-Feb-2026
- Effective Date
- 09-Feb-2026
- Effective Date
- 09-Feb-2026
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Frequently Asked Questions
EN 1834-1:2000 is a standard published by the European Committee for Standardization (CEN). Its full title is "Reciprocating internal combustion engines - Safety requirements for design and construction of engines for use in potentially explosive atmospheres - Part 1: Group II engines for use in flammable gas and vapour atmospheres". This standard covers: 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 hereinafter referred to as "engines" of group II categories 2 and 3 for use in potentially explosive atmospheres of flammable gas and vapour. This European standard does not apply to flammable gas and vapour atmospheres containing carbon disulphide (CS2).
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 hereinafter referred to as "engines" of group II categories 2 and 3 for use in potentially explosive atmospheres of flammable gas and vapour. This European standard does not apply to flammable gas and vapour atmospheres containing carbon disulphide (CS2).
EN 1834-1:2000 is classified under the following ICS (International Classification for Standards) categories: 13.220.01 - Protection against fire in general; 27.020 - Internal combustion engines. The ICS classification helps identify the subject area and facilitates finding related standards.
EN 1834-1:2000 has the following relationships with other standards: It is inter standard links to ISO 7967-4:1988, ISO 9563:1990, ISO 7967-1:1987, ISO 1813:1979, ISO 2710:1978, ISO 7967-3:1987, ISO 7967-8:1994, ISO 7967-2:1987, EN 50021:1999, ISO 3046-3:1989, EN 50018:1994, EN 50017:1994, EN 50015:1994, EN 50016:1995, IEC 60243-1:1998. Understanding these relationships helps ensure you are using the most current and applicable version of the standard.
EN 1834-1:2000 is associated with the following European legislation: EU Directives/Regulations: 2014/34/EU, 94/9/EC, 98/37/EC; Standardization Mandates: M/BC/CEN/88/13, 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.
EN 1834-1:2000 is available in PDF format for immediate download after purchase. The document can be added to your cart and obtained through the secure checkout process. Digital delivery ensures instant access to the complete standard document.
Standards Content (Sample)
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.DURHubkolben-Verbrennungsmotoren - Sicherheitsanforderungen für die Konstruktion und den Bau von Motoren zur Verwendung in explosionsgefährdeten Bereichen - Teil 1: Motoren der Gruppe II für Bereiche mit explosionsfähigen Gasen und DämpfenMoteurs alternatifs a combustion interne - Prescriptions de sécurité pour la conception et la construction des moteurs fonctionnant en atmosphere explosible - Partie 1: Moteurs du groupe II utilisés dans des atmospheres de gaz et de vapeurs inflammablesReciprocating internal combustion engines - Safety requirements for design and construction of engines for use in potentially explosive atmospheres - Part 1: Group II engines for use in flammable gas and vapour atmospheres27.020Motorji z notranjim zgorevanjemInternal combustion engines13.230Varstvo pred eksplozijoExplosion protectionICS:Ta slovenski standard je ist
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