Title: 320- Tilbakeslagsventil.pdf
Ved tap av vanntrykk i tappevannsystemet og/ eller motstrømsovertrykk fra for eksempel et varmeanlegg vil tilbakeslagssikringen kontrollert drenere ut det forurensede vannet gjennom mellomtrykksonen.Ventilens innvendige komponenterProduktene er godkjent av SI NTEFAltech tilbAkeslAgssikring3an inspectable strainer, another isolating valve must be installed downstream.The device must be installed in an accessible area that is large enough to prevent it getting submerged by any acci-dental flooding.Provide a suitable pipe to drain the evacuation of the fluid which the device could possibly drain.Check the discharge pipe to ensure you of the correct operation of the flow.During installation it is necessary to respect the direction of flow indicated by the arrow on the body of the device.For the protection of the public main water supply, the backflow preventer must be installed after the water meter,