Version
application field
with flange connection
DN 80
pipe covering 0,80 to 1,50 m
inside and outside enamelled
for drinking and raw water
up to 16 bar
up to 60 °C
Underground hydrants of the 304 and 305 series correspond to the requirements and tests of DIN 3221, DIN 3321 and EN 14339, as well as the DVGW testing standard VP 325 and possess a DVGW type approval test.
All materials used correspond to the KTW recommendations of the Federal Environmental Agency and the DVGW worksheet W270.
Furthermore, the requirements of the standard are even exceeded in many areas, such as the amount of residual water of 10 cm3 for example (standard requirements: ≤ 80 cm3) or the flow rate at 132 m3/h (standard requirement: ≥ 110 m3/h).