Reciprocating internal combustion engines. Safety requirements for design and construction of engines for use in potentially explosive atmospheres. Group I engines for use in underground workings susceptible to firedamp and/or combustible dust— 32 стр.
Electrical apparatus for the detection and measurement of flammable gases. Performance requirements for group II apparatus indicating a volume fraction up to 100% gas— 10 стр.
Electrical apparatus for the detection and measurement of flammable gases. Performance requirements for group II apparatus indicating a volume fraction up to 100% lower explosive limit— 10 стр.
Electrical apparatus for the detection and measurement of flammable gases. Performance requirements for group I apparatus indicating a volume fraction up to 100% methane in air— 10 стр.
Electrical apparatus for the detection and measurement of flammable gases. Performance requirements for group I apparatus indicating a volume fraction up to 5% methane in the air— 10 стр.
Potentially explosive atmospheres. Terms and definitions for equipment and protective systems intended for use in potentially explosive atmospheres— 26 стр.