RPZ, DCV, or PVB? Which Backflow Device Do You Actually Need?
Your choice of backflow device will be based wholly on the hazard level of your property as per the Australian standards. High hazard properties (chemical plants, certain restaurants, etc.) will require an RPZ Valve while medium hazard properties (standard commercial strata, for example) will require a DCV Valve. Pressure Vacuum Breakers should only be used […]