574 | Valve, sluice, sluice gate for system
Valve, sluice, sluice gate for system
574 - Controllable, reduced pressure zone backflow preventer. BA type.
Male union connections.
Max. working pressure: 65°C.
Discharge opening differential pressure t 14 kPa.
To standard EN 12729.
Upstream of the backflow preventer is mandatory to install a strainer 577 series.