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Backflow preventer with intermediate atmospheric vent non-controllable; Class B - Family C; Type A -

General information

20.60 Close of comment period   Oct 1, 1994

CEN

CEN/TC 164 Water supply

European Norm

Scope

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 effectiveness of blackflow, flow or pressure drop and mechannical endurance. This standard includes and makes reference to the corresponding test methods and the evaluation of conformity of the product to this standard.

Life cycle

NOW

IN_DEVELOPMENT
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20.60 Close of comment period
Oct 1, 1994