SSH EN 13077:2018

Pajisje për të parandaluar ndotjen nga rrjedhjet e ujit të pijshëm - E çarë nga hyn ajri me rrymë jo qarkulluese (e pakufizuar) - Familja A - Tipi B

Devices to prevent pollution by backflow of potable water - Air gap with non-circular overflow (unrestricted) - Family A - Type B

Scope

This European Standard specifies the characteristics and the requirements of air gap with non-circular overflow (unrestricted) Family A, Type B for nominal flow velocity not exceeding 3 m/s. Air gaps are devices for protection of potable water in water installations from pollution by backflow. This European Standard applies to air gaps in factory-assembled products and to constructed air gaps in situ, and defines requirements and methods to verify and ensure compliance with this European Standard during normal working use.