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explosion protection

The basics of explosion protection - 9224 7.appendix

36 7.2 Safety Characteristics of Flammable Gases and Vapours

Table 18: Safety Ratings: Ignition Temperature, Temperature Class and Explosion Group MaterialIgnition Temperature °CTemperature ClassExplosion Group1,2-Dichloroethane440T 2II AAcetaldehyde155T 4II A Acetic acid485T 1II A Acetic anhydride330T 2II A Acetone535T 1II A Acetylene305T 2II C
3 Ammonium630T 1II A Benzene555T 1II ACarbon disulphide95T 6II C
1 Carbon monoxide605T 1II ACyclohexanone430T 2II A Diethyl ether175T 4II B Diesel fuels220T 3II AEthane515T 1II AEthanol400T 2II B Ethene440T 2II B Ethyl chloride510T 1II A Ethyl ethanoate470T 1II A Ethyl glycol235T 3II B Ethyleneoxide435 (self-decomposing)T 2II B Fuel oil EL, L, M, S220 to 300T 3II A Hydrogen560T 1II C
2 Hydrogen sulphide270T 3II Bi-Amyl acetate380T 2II AMethane595T 1II AMethanol440T 2II AMethyl chloride625T 1II ANaphthalene540T 1II A n-Butane365T 2II A n-Butanol325T 2II B n-Hexane230T 3II A n-Propyl alcohol385T 2II B
* Petrol fuels220 to 300T 3II A Phenol595T 1II APropane470T 1II AToluene535T 1II A
* The gas group for this substance has not yet been determined.
1 Also gas groups II B + CS2
2 Also gas groups II B + H2
3 Also gas groups II B + C2 H2 R.STAHL explosion protection