NS EN 144-2 Ed. 1 (1998)现行
Respiratory Protective Devices - Gas Cylinder Valves - Part 2: Outlet Connections
出版：Norwegian Standards (Norges Standardiseringsforbund)
专家解读视频
Applies to a thread connection used for the connection between a gas cylinder valve and a pressure reducer for respiratory protective devices except those for diving containing breathable air, oxygen or oxygen/nitrogen. Details the dimensions and tolerances for connections which are used for respiratory protective devices.
NEN EN 144-2:1998 - Identical
SS EN 144-2 Ed. 1 (1999) - Identical
UNE EN 144-2:1999 - Identical
I.S. EN 144-2:1999 - Identical
UNI EN 144-2:2000 - Identical
NF EN 144-2:1999 - Identical
NBN EN 144-2:1999 - Identical
ONORM EN 144-2:1999 - Identical
DIN EN 144-2 (1999-02) - Identical
BS EN 144-2:1999 - Identical
SN EN 144-2:1999 - Identical
EN 144-2:1998 - Identical
ONORM EN 144-2:2018 - Identical
NEN EN 144-2:2018 - Identical
EN 144-2:2018 - Identical
