2.3.4
Sealing elements
The press connectors are factory-fitted with EPDM profile sealing ele-
ments. The integrally moulded sealing lips also seal pipe surfaces with
slightly uneven surfaces.
Area of use
Heating
Solar installations
Compressed air
Technical gases
Use
Pump hot water
heating system
Solar circuit
all pipeline sections all pipeline sections
Operating tempera-
ture [T
max.
]
110 °C
1)
60 °C
—
Operating pressure
[P
max
]
1.6 MPa (16 bar)
0.6 MPa (6 bar)
1.6 MPa (16 bar)
—
Comments
T
max
105 °C
2)
with radiator con-
nections T
max
: 95 °C
for flat collectors
dry, oil content
< 25 mg / m
3
1)
1)
Consultation with the Viega Service Center required
2)
see
Ä
„Regulations from section: Sealing elements“ on page 6
2.3.5
Markings on components
The press connectors 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 black dot indicates that the system is not suitable for drinking water
and is equipped with the SC-Contur.
The black rectangle serves as a warning
"
Not suitable for drinking
water!
"
.
The rectangle is to be found in the following places:
n
on the press end of the press connector
n
on the flange of the flange adapter
Area of use of the EPDM sealing element
Markings on press connectors
Product information
Megapress
15 from 32