Pajisjet për të parandaluar ndotjet nga kthimi mbrapsht i ujit të pijshëm - Boshllëku i ajrit me minimum të mbirrjedhjes rrethore (e provuar me test ose me matje) - Familja A, tipi G.

Devices to prevent pollution by backflow of potable water - Air gaps with minimum circular overflow (verified by test or measurement) - Family A, type G

Asnjë informacion i shtuar.

This European Standard specifies the characteristics and the requirements of air gaps with overflow, family A, type G for nominal flow velocity not exceeding 3 m/s. Air gaps are devices for protection of potable water in water installations from pollution. This European Standard applies to air gaps in factory assembled products and to constructed air gaps in situ, and defines the physicochemical characteristics of materials of construction used for the purpose and application to ensure compliance with this document during normal working use.