I.S. EN 26704:1992现行
Automatic Steam Traps - Classification
出版：National Standards Authority of Ireland
专家解读视频
Establishes a simple classification of the main types of automatic steam traps according to the mode of actuation of their obduration device and disregarding their details of conception and construction.
SN EN 26704:1994 - Identical
ONORM EN 26704:1991 - Identical
DIN EN 26704 (1991-11) - Identical
ISO 6704:1982 - Identical
UNE EN 26704:1993 - Identical
SS EN 26704 Ed. 1 (1992) - Identical
BS EN 26704:1991 - Identical
NF EN 26704:1992 - Identical
UNI EN 26704:1992 - Identical
