Backflow preventer 1'' - red brass with manometer

DIN/DVGW tested for protection of tap water from backflowing treated water. Housing made of brass; both sides with female thread unions; integrated check valve, closing body made of high quality plastic; with manometer and fitted discharge hopper for connecting 40mm plastic pipe or threaded pipe R 1''.

Technical Data
Connection: R 1''
Length: 159 mm
Kvs value: 8.0
Reaction pressure A: 0.5 bar
Operation pressure: max. 16 bar
Operation temperature: max. 40°C
DVGW number: 571 V