Viega guarantees that unpressed connections are visible during a
leakage test:
n
with wet leakage test in the pressure range from 0.1 hPa–0.65 MPa
(1.0 mbar–6.5 bar)
n
with dry leakage test in the pressure range from 22 hPa–0.3 MPa
(22 mbar–3.0 bar)
2.3.3
Sealing elements
NOTICE!
Only EPDM sealing elements are approved in potable water
installations. The use of other sealing elements is not per‐
mitted.
The model is factory-fitted with EPDM sealing elements.
Area of use
Potable water
Use
all pipeline sections
Operating temperature [T
max.
]
90 °C
Operating pressure [P
max
]
1.0 MPa (10 bar)
Comments
2.3.4
Markings on components
The press connections are marked with a coloured dot. This identifies
the SC-Contur, where the test medium would escape in the case of an
inadvertently unpressed connection.
The model is marked as follows:
n
flow direction indicator
n
noise class I pursuant to applicable regulations, see
from section: Marking on components“ on page 7
n
dimension
n
DVGW writing
n
green dot for potable water
n
position indicator
Area of use of the EPDM sealing element
Product information
Easytop concealed straight seat valve with SC-Contur
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