NS EN 12117 Ed. 1 (1997)被替代
Plastics Piping Systems - Fittings, Valves And Ancillaries - Determination Of Gaseous Flow Rate/pressure Drop Relationships
出版：Norwegian Standards (Norges Standardiseringsforbund)
专家解读视频
Determines a method for the flow rate/pressure drop relationship of components for plastics piping when tested using air at 25 mbar. Data obtained may be used to calculate the flow rate of such gases for a special pressure drop. Applicable to valves, mechanical fittings, tapping tees and other ancillaries that are intended to be used in polyethylene (PE) piping systems for the supply of gaseous fuels.
NBN EN 12117:1997 - Identical
ONORM EN 12117:1998 - Identical
DIN EN 12117 (1997-11) - Identical
BS EN 12117:1998 - Identical
NEN EN 12117:1997 - Identical
SN EN 12117:1998 - Identical
NF EN 12117:1997 - Identical
UNI EN 12117:1999 - Identical
I.S. EN 12117:1998 - Identical
UNE EN 12117:1998 - Identical
SS EN 12117 Ed. 1 (1997) - Identical
