Backflow preventer R 3/4", brass

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Backflow preventer ¾“, DVGW certified

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".
Type of installation: 1

Technical Data:
Connection: R 3/4"
Length: 153 mm
Kvs Value: 6.0
Opening pressure A: 0.5 bar
Operating pressure: max. 16 bar
Operating temperature: max. 40°C
DVGW test number: 570 V