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Tender specification:
Oventrop thermostatic regulating valves "Aquastrom T plus"
with presetting for circulation pipes according to DVGW work
sheets W551 and W553.
Thermal control:
Recommended control range: 55°C up to 60°C
(max. control range 40°C up to 65°C, control accuracy ± 1°C)
The valve automatically supports thermal disinfection. The
volume of flow is increased about 6K above the set tempera-
ture and is reduced – irrespective of the set temperature – to
the residual volume of flow when reaching approx. 73°C. The
valve thus guarantees an optimum support of thermal disin-
fection in the circulation system.
The max. volume of flow may be preset and isolated irrespec-
tive of the set control temperature. The valve is equipped with
a drain valve with hose connection allowing to drain the
system for maintenance work.
The temperature may be controlled with the help of a ther-
mometer or a sensor element. Temperature setting can be
protected against unauthorised tampering by use of a protec-
tion cap. The set temperature can still be read off.
Temperature controller does not come into contact with the
fluid; all parts coming into contact with the fluid made of non
brass material; bronze body; EPDM O-rings.
Max. working temperature:
Nominal pressure:
Factory settings:
-temperature:
-set volume of flow:
Advantages:
– automatic thermal control of the volume of flow
– support of thermal disinfection
– volume of flow increases about 6K above the set tempera-
ture, disinfection temperature in the riser is reached quickly
– volume of flow is limited above 73°C to guarantee thermal
disinfection of succeeding sections of the system
– corrosion resistant due to bronze material
– temperature setting can be read off even with fitted lock-
shield cap
– body with hose for lead sealing
– temperature monitoring with the help of a thermometer or
a sensor element (accessories) via centralised building
control systems
– presetting of the max. volume of flow irrespective of the set
control temperature and isolation for maintenance work
– with integrated drain valve for hose connection
– without dead zone
L
1
L
2
Item no.
DN Ø D
L
1
4205552
15
15
115 188
4205553
15
18
115 188
4205554
20
22
130 188
4205555
25
28
140 188
1.54/20018
90°C
16 bar
57°C
DN 15: 2.0
DN 20: 3.0
DN 25: 4.0
SW
L
H
H
H
H
SW
2
1
2
3
4
83
96
100 142
27
83
96
100 142
27
83
98
100 142
32
83
98
100 142
41
Valves, controls + systems
Thermostatic regulating valve
"Aquastrom T plus"
with presetting for circulation pipes
Dimensions:
L
1
L
2
Item no.
DN
L
L
1
2
4206504
15
110 188
4206506
20
123 188
4206508
25
133 188
L
1
L
2
Item no.
DN
L
L
1
2
4205504
15 110 188
4205506
20 123 188
4205508
25 133 188
Installation instructions
H
H
H
H
D
1
2
3
4
3
83
96
100 142
G
⁄
4
83
96
100 142
G 1
83
98
100 142
G 1
1
⁄
4
SW
H
H
H
H
D
SW*
1
2
3
4
1
83
96 100 142 Rp
⁄
27
2
3
83
96 100 142 Rp
⁄
32
4
83
98 100 142 Rp 1 41
5
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