NEN EN 12021:1999被替代
Respiratory Protective Devices - Compressed Air For Breathing Apparatus
出版：Nederlands Normalisatie Instituut
專家解讀視頻
Gives requirements for the quality of compressed air that is supplied for use with these types of equipment: a) Self contained open-circuit compressed air breathing and underwater breathing apparatus b) Compressued air line and compressed airline breathing apparatus for use under water c) Self-contained open-circuit compressed air breathing apparatus which includes full face mask or mouthpiece assembly or hoods. Applies also, to synthetic air.
SS EN 12021 Ed. 1 (1999) - Identical
UNE EN 12021:1999 - Identical
NS EN 12021 Ed. 1 (1999) - Identical
I.S. EN 12021:1999 - Identical
UNI EN 12021:2000 - Identical
NBN EN 12021:1999 - Identical
NF EN 12021:1999 - Identical
ONORM EN 12021:1999 - Identical
DIN EN 12021 (1999-01) - Identical
BS EN 12021:1999 - Identical
SN EN 12021:1999 - Identical
