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Description
The Oventrop thermostatic radiator valve sets
consist of a thermostat "vindo TH", thermostatic
radiator valve "Series AV9" / "Series RFV9"
and a radiator lockshield valve "Combi 2". They
are used in hot water central heating and cooling
systems for room temperature control.
Thermostatic valve "Series AV9" / "Series
RFV9"
Oventrop thermostatic radiator valve "Series
AV9"/"Series RFV9" with connection thread
M 30 x 1.5. The thermostatic valves are fitted
with an infinitely adjustable valve insert and
therefore allow a problem-free adaptation of
the flow rates to the required heat demand.
Connection for threaded and copper pipes or
composition pipe "Copipe".
The Oventrop production programme includes
suitable compression fittings for copper pipes
and composition pipes "Copipe" (exception:
"Series RFV9" not suitable for compression
fittings "Cofit S" with female thread Rp
Complete valve insert replaceable under working
conditions by using the special tool "Demo-
Bloc".
Operating temperature t
Max. operating pressure p
Max. differential pressure:
⁄
).
1
2
:
2 °C up to
s
120 °C (for
short periods
up to130 °C)
: 10 bar
s
1 bar
Valves, controls + systems
General information:
Thermostatic radiator valves control the room
temperature by modifying the flow of hot water
through the radiator. Often, there is only a
minimum requirement for heat (especially in
transition periods) so that the thermostats open
the valves only by a small amount. Consequently
flow noises could occur due to high differential
pressures. To prevent theses noises, measures
should be taken to control the differential
pressure; for example by using automatic
differential pressure regulators or speed
controlled circulation pumps.
Installation:
The radiator valve should be installed so that
the thermostat is in a horizontal position and
a good circulation of air is guaranteed. If this
is not possible, a thermostat with remote sensor
or with remote control should be used. The
radiator valve is installed in the supply pipe to
the radiator, with the flow in the direction of
the arrow.
All radiators and pipework must be flushed
thoroughly to prevent any problems caused by
welding beads or dirt.
When converting old heating systems, it is
recommended that a plastic strainer should be
fitted at the inlet port of all radiator valves.
Do not fit the thermostat until all building work
has been completed. During construction period,
the valve can be operated with the screwed
cap. The screwed cap is not to be used for
permanent shut-off of the valve against system
pressure (for instance while radiator is removed).
In this case protect the valve outlet with a metal
cap.
TRV9 sets
Installation instructions
9
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