Transport, Packaging And Storage; Technical Data; Performance Data; Description - oventrop Hydrocontrol STR Einbau- Und Betriebsanleitung

3. Transport, packaging and storage

ATTENTION
– Please protect against external forces (e.g.
impacts, vibrations etc.).
– External components such as handwheels,
pressure test points and actuators should
not be used as lever points during installa-
tion.
– Weights see "Technical data"
– Storage temperature: –20°C up to +60°C

4. Technical data

4.1. Dimensions
L
SW*
Pressure
Marking plate with
test point
kv value of the
metering station
* SW = spanner size
D
DN t
ISO 228
20 G 1 14.5
Illustr. 4.1 Dimensions "Hydrocontrol STR" with
compression connection
L
SW
Pressure
Marking plate with
test point
kv value of the
metering station
* SW = spanner size
D
DN
EN 10226-1
3
20 G ⁄ 14.5
4
Illustr. 4.2 Dimensions "Hydrocontrol STR"
with female thread
6
L H SW
126 116 32
t
t L H SW
96 116 32

4.2. Performance data

Connections: Pressure test points with
quick-coupling technic
Fluid: Water and mixtures of water
and glycol. Not suitable for
oily and aggressive fluids
Installation position: any, but easily accessible
Installation location: protected against variations
of weather, inside or outside
of closed buildings
Max. working temperature t
Min. working temperature t
Illustr. 4.3 Max. working pressure p
on the working temperature t
DANGER
Suitable measures (e.g. safety valves) have to
be taken so that the maximum working pressure
an the maximum and minimum temperature
are not exceeded or undercut
Kvs
DN
Metering station Total valve
20 LF 1.2
20 MF 4.1
* Minimum flow rate in l/min with a pressure loss
of 1 kPa (10 mbar) across the metering station.
Flow charts: see "Technical information" or visit
www.oventrop.com
4.3 Materials
Valve body and bonnet made of bronze, stem and
valve disc made of dezincification resistant brass
(DZR).

5. Description

5.1. Application
The Oventrop "Hydrocontrol STR" is installed in
the pipework of solar collectors and serves to
achieve a hydronic balance between the solar
collectors.
: 200°C
s
: -20 °C
s
depending
s
s
Min.
flow rate*
1.04 2
2.6 6.8