33
3.3
TEST MARKS
The domestic water stations conform to the technical regulations for drinking water installations in ac-
cordance with DIN EN 806 ff. and the national annex DIN 1988 ff. and DIN EN 1717. They are tested by
the DVGW (Deutsche Vereinigung des Gas- und Wasserfaches e.V. — technical-scientific association for
the gas and water industries) in accordance with the requirements of DIN EN 13959 for backflow preven-
ters, DIN EN 13443-1 and DIN 19628 for mechanical filters in drinking water installations and DIN EN
1567 (pressure stage PN 16) for pressure reducers, and are therefore entitled to bear the DIN-DVGW
mark.
NW-9311CN0107
Fig. 2: DIN-DVGW mark
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