30.97 End of interruption of work - split/merged Oct 2, 1994
CEN
CEN/TC 164 Water supply
European Norm
This European Standard specifies the performance criteria related to the health protection of people for backflow devices used for the water supply. The performance requirements are expressed in terms of effetiveness of backflow, flow or pressure drop and mechanical endurance. This standard includes and makes reference to the corresponding test methods and the evaluation of conformity of the product to this standard.
ABANDON
cen:proj:7007
30.97
End of interruption of work - split/merged
Oct 2, 1994