General rules of explosion-protect techniques of reciprocating internal combustion engines for explosive atmospheres - Part 3: Group I engines for use in underground workings susceptible to firedamp and/or combustible dust
1 Scope
This Part of GB/T 20800 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.
This Part applies to the structure design, manufacture, inspection and test of internal combustion engines. 1)
This standard does not apply to engines of Group I Category M1 which require special considerations.
This standard does not apply to engines used in premises for the processing, manufacture or storage of explosives.
This standard does not apply to spark ignition engines.
Contents
Foreword II
1 Scope
2 Normative References
3 Terms and Definitions
4 Safety Requirements and Measures
5 Verification of the Safety Requirements and/or Measures
6 Information to be Supplied by the Manufacturer to the User
7 Marking
Appendix A (Informative) List of Hazards
Appendix B (Informative) Engine Conditions and Ignition Sources
Appendix C (Informative) List of Clause Numbers Comparison Between this Part and EN 1834-2: 2000
Appendix D (Informative) Technical Difference Between this Part and EN 1834-2: 2000 and the Reasons
