NS EN 13077 Ed. 2 (2008)现行
Devices To Prevent Pollution By Backflow Of Potable Water - Air Gap With Non-circular Overflow (unrestricted) - Family A - Type B
出版：Norwegian Standards (Norges Standardiseringsforbund)
专家解读视频
Defines the characteristics and the requirements of air gap with non-circular overflow (unrestricted) Family A, type B for nominal flow velocity not exceeding 3 m/s.
BS EN 13077:2018 - Identical
NEN EN 13077:2018 - Identical
EN 13077:2018 - Identical
SS EN 13077 Ed. 3 (2018) - Identical
NBN EN 13077:2004 - Identical
UNE EN 13077:2004 - Identical
UNE EN 13077:2009 - Identical
NBN EN 13077:2008 - Identical
SS EN 13077 Ed. 2 (2008) - Identical
SN EN 13077:2008 - Identical
UNI EN 13077:2008 - Identical
ONORM EN 13077:2008 - Identical
NEN EN 13077:2008 - Identical
NF EN 13077:2008 - Identical
DIN EN 13077 (2008-09) - Identical
I.S. EN 13077:2008 - Identical
BS EN 13077:2008 - Identical
