Data sheet: Wilo-Stratos 25/1-8
Pump curves
0
Approved fluids (other fluids on request)
1
v
2
0
0,5
1
H/m 3700 1/min - 10 V
1,5
3
4
2
5
2,5
Rp 1
Wilo-Stratos 25/1-8
Wilo-Stratos 30/1-8
7
3040 1/min - 8 V
50
2710 1/min - 7 V
40
2390 1/min - 6 V
3
70
60
6
4
p/kPa
1~230 V - Rp 1 / Rp 1¼
3370 1/min - 9 V
5
m/s
3,5 Rp 1¼
3
30
2060 1/min - 5 V
2
1400 1/min - 3 V
1
0
20
1730 1/min - 4 V
0
0
P1/W
n=
const
150
100
10
2
4
0,5
6
1,0
10 V
9V
1,5
8V
7V
50
0
3V
0
2,0
Q/m³/h
Water-glycol mixtures (max. 1:1; above
20% admixture, the pumping data
•
must be checked)
Permitted field of application
Temperature range at max. ambient
temperature +40 °C
-10...+110 °C
Maximum permissible
operating pressure
10 bar
4
6
8
Q/m³/h
Wilo-Stratos 25/1-8
Wilo-Stratos 30/1-8
Pmax
Pipe connections
2,5 Q/l/s
Threaded pipe union
Rp 1
Thread
G 1½
Overall length
H/m
•
0
6V
5V
4V
2
8
Heating water (in accordance with VDI
2035)
l0
180 mm
Motor/electronics
p/kPa
70
Energy efficiency index (EEI)
≤ 0.20
6
60
Electromagnetic compatibility
EN 61800-3
5
50
Emitted interference
EN 61000-6-3
4
40
Interference resistance
EN 61000-6-2
3
30
Speed control
Frequency converter
2
20
Protection class
IP X4D
1
10
Insulation class
F
Mains connection
1~230 V, 50/60 Hz
7
1~230 V - Rp 1 / Rp 1¼
m
ax
.
0
min
0
2
0
P1/W
Δp-c
150
0,5
.
4
6
1
8
1,5
Q/m³/h
2,5 Q/l/s
2
max.
7m 6m
100
5m
4m
50
3m
2m
0
2
4
6
8
P2
100.00 W
Speed
n
1400 - 3700 rpm
Power consumption
P1
9 - 130 W
Current consumption
I
0.13 - 1.20 A
100
Q/m³/h
Motor protection
P1/W
Δp-v
150
max.
7m 6m
4m
5m
Threaded cable connection
2m
3m
min.
0
2
4
6
integrated
PG
1x7/1x9/1x13.5
Materials
50
0
Nominal motor power
1m
min.
0
0
8
Q/m³/h
Pump housing
Grey cast iron (EN-GJL-200)
Impeller
Plastic (PPE - 30% GF)
Pump shaft
Stainless steel (X30CR13)
Bearing
Carbon, metal impregnated
Minimum suction head at suction port for avoiding
cavitation at water pumping temperature
Minimum suction head at 50 / 95 / 110
°C
Subject to change without prior notice.
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Data sheet: Wilo-Stratos 25/1-8
Dimension drawing
Information for order placements
Rp 1
G 1½
Wilo
Type
Stratos 25/1-8
Art no.
2090448
Pg 9
Pg 13,5
180
49
90
Pg 7
Make
Weight approx.
76
89
43
56
76
114
m
4 kg
182
Terminal diagram
1~ 230 V, 50/60 Hz
L
N
PE
SSM
3~230 V, 50/60 Hz
L1 L3
PE
SSM
L2 L3
L1 L2
SSM:
Collective fault signal
(NC contact according to VDI 3814, load capacity 1 A,
250 V ~)
For function, see Wilo catalogue, chapter "Pump
management Wilo-Control, consulting guide"
Subject to change without prior notice.
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Dimensions and dimension drawings: Wilo-Stratos 25/1-8
Dimension drawing
Rp 1
G 1½
Pg 13,5
76
89
76
114
Subject to change without prior notice.
49
180
Pg 9
90
Pg 7
43
56
182
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Pump curves: Wilo-Stratos 25/1-8
Pump curves
0
1
v
2
0
0,5
1
H/m 3700 1/min - 10 V
1,5
3
4
2
5
2,5
Rp 1
Wilo-Stratos 25/1-8
Wilo-Stratos 30/1-8
7
3040 1/min - 8 V
50
2710 1/min - 7 V
40
2390 1/min - 6 V
3
70
60
6
4
p/kPa
1~230 V - Rp 1 / Rp 1¼
3370 1/min - 9 V
5
m/s
3,5 Rp 1¼
3
30
2060 1/min - 5 V
2
1400 1/min - 3 V
1
0
20
1730 1/min - 4 V
0
0
P1/W
n=
const
150
100
10
2
4
0,5
6
1,0
10 V
9V
8V
7V
50
0
3V
0
4V
2
8
1,5
2,0
Q/m³/h
0
2,5 Q/l/s
6V
5V
4
6
H/m
8
Q/m³/h
Wilo-Stratos 25/1-8
Wilo-Stratos 30/1-8
7
p/kPa
70
1~230 V - Rp 1 / Rp 1¼
6
60
5
50
4
40
m
ax
.
3
30
2
20
1
0
10
min
.
0
2
0
P1/W
Δp-c
150
0,5
4
6
1
8
1,5
Q/m³/h
0
2,5 Q/l/s
2
max.
7m 6m
100
5m
4m
50
3m
2m
1m
min.
0
0
2
4
6
8
P1/W
Δp-v
150
100
Q/m³/h
max.
7m 6m
4m
5m
2m
3m
50
min.
0
0
2
4
6
8
Subject to change without prior notice.
Q/m³/h
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Ordering information: Wilo-Stratos 25/1-8
Information for order placements
Make
Wilo
Type
Stratos 25/1-8
Art no.
2090448
EAN number
4016322993971
Colour
green/black
Minimum order quantity
1
Minimum order quantity unit
PCE
Weight (net)
kg
4.1
Length (net)
mm
180
Width (net)
mm
203
Height (net)
mm
238
Weight (gross)
kg
4.8
Length (gross)
mm
340
Width (gross)
mm
320
Height (gross)
mm
260
Packaging type
Cardboard box
Packaging property
Transport packaging
Pieces per pallet
30
Number per layer
6
Subject to change without prior notice.
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Specification texts: Wilo-Stratos 25/1-8
Wilo-Stratos high-efficiency pump
electronically controlled,
Glandless circulation pump with minimum operating costs, for pipe installation. Can be used for all HVAC applications (-10 °C to +110 °C). With built-in
electronic power control for constant/variable differential pressure. Standard-equipped thermal insulation shells. One-button manual operation level as
standard, for:
• Pump On/Off
• Selecting the control mode:
• Automatic setback operation (self-learning)
• Setpoint or speed adjustment
Graphical pump display with rotatable display horizontal and vertical module mounting, for display of:
• Operating status
• Control mode
• Differential pressure or rotation speed setpoint
• Fault and alarm signals
Synchronous motor using ECM technology with very high efficiency and high starting torque, automatic deblocking function and built-in full motor
protection.
Fault signal light, potential-free collective fault signal, infrared interface for wireless communication with Wilo IR-Monitor/IR-Stick operating and service
device.
Plug-in slot for Wilo Stratos IF-modules with interfaces for building automation (BA) or dual pump management (accessories: IF-modules Stratos Modbus,
BACnet, LON, CAN, PLR, Ext.Aus, Ext.Min, SBM, Ext.Aus/SBM or DP).
Pump housing made of cast iron with cataphoretic coating, impeller made of glass-fibre reinforced plastic, stainless steel shaft with metal impregnated
carbon plain bearings.
For flange-end pumps - flange versions:
• Standard version for pumps DN 32 to DN 65: Combination flange PN 6/10 (flange PN 16 acc. to EN 1092-2) for counter flanges PN 6 and PN 16
• Standard version for pumps DN 80 / DN 100: Flange PN 6 (configured for PN 16 acc. to EN 1092-2) for counter flange PN 6
• Special version for pumps DN 32 to DN 100: Flange PN 16 (acc. to EN 1092-2) for counter flange PN 16
Materials
Pump housing: Grey cast iron (EN-GJL-200)
Impeller: Plastic (PPE - 30% GF)
Pump shaft: Stainless steel (X30CR13)
Bearing: Carbon, metal impregnated
Approved fluids (other fluids on request)
3
Max. volume flow: 8 m /h
Max. delivery head: 8 m
Pipe connections
Threaded pipe union: Rp 1
Thread: G 1½
Overall length: 180 mm
Motor/electronics
Energy efficiency index (EEI): ≤ 0.20
Electromagnetic compatibility: EN 61800-3
Subject to change without prior notice.
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Specification texts: Wilo-Stratos 25/1-8
Emitted interference: EN 61000-6-3
Interference resistance: EN 61000-6-2
Speed control: Frequency converter
Protection class: IP X4D
Insulation class: F
Mains connection: 1~230 V, 50/60 Hz
Mains frequency: 50/60 Hz
Nominal motor power: 100 W
Speed: 1400 - 3700 rpm
Power consumption 1~230 V: 9 - 130 W
Current at 1~230V: 0.13 - 1.20 A
Motor protection: integrated
Threaded cable connection: 1x7/1x9/1x13.5
Information for order placements
Art no.: 2090448
EAN number: 4016322993971
Weight approx.: 4 kg
Make: Wilo
Type: Stratos 25/1-8
Subject to change without prior notice.
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Installation positions: Wilo-Stratos 25/1-8
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Subject to change without prior notice.
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