Over deze norm
Specifies the characteristics of type AD air gaps with injector for inlet or feed pipes of nominal size up to and including DN 250. Air gaps that comply with the requirements of this Part of this standard are devices for protection of drinking water installations from pollution. In addition to factory assembled products this standard includes requirements for site constructed air gaps. The products specified are suitable for water temperatures up to and including 65 ?C and occasional temperatures up to and including 95 ?C. However in some instances maximum operating temperatures may be limited to 40 ?C and should be marked accordingly.
|Nederlandse titel||Onderbrekingsinrichtingen zonder bewegende delen ter voorkoming van verontreiniging van water door terugstroming - Specificatie van type AD vrije uitlopen met injector|
|Engelse titel||Disconnection devices without moving parts for the prevention of contamination of water by backflow - Specification for type AD air gaps with injector|