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Heating, air-conditioning, coolingHigh-efficiency pumps (single pumps)
Series overview
Heating, air-conditioning, cooling High-efficiency pumps (single pumps) Series overview Wilo-Stratos Wilo Catalogue A1 - 50 Hz - Circulation pumps in glandless design
Series: Wilo-Stratos
>DesignIn line, flanged wet rotor circulator with EC motor and automatic capacity adjustment
>ApplicationHot-water heating systems, air condition-ing, closed cooling circuits, industrial circu-lation systems
>Special features/product benefits• Energy efficiency class A• Up to 80% power saving compared with
constant speed circulating pumps• Maximum efficiency thanks to ECM tech-
nology
>Description/design• Wet rotor circulator with EC motor and inte-
grated automatic capacity adjustment• Red button technology for very easy opera-
tion• Graphic pump display with rotatable display
adjustable from US units(default) to metric• Pump communication with IF (interface)
module that can be easily retrofitted: ideal external operation
• Motor protection with electronic overload protection (min/max voltage, max temp, dry run, overload)
• Interface connection for extending built in functions, for building automation (BA) sys-tems and external control
• Impeller with three-dimensional curved blades and rotor can using carbon fibre compound material
0
20
30
40
10
0
2
4
6
8
10
12
0 40 80 120 160 200
0 5 10 15 20 25 30 35 40 45 50
H [f
t]
H [m
]
Q[US gpm]
Q [m3/h]
Wilo-Stratos60 Hz
3x3-30
2x3-35
1.5x3-40
1.25x3-30
1.25x3-20
3x3-40
1.25x3-25
1.25x3-35
1Wilo Catalogue A1 - 50 Hz - Circulation pumps in glandless design
2
Heating, air-conditioning, coolingHigh-efficiency pumps (single pumps)
Equipment/function
Heating, air-conditioning, cooling High-efficiency pumps (single pumps) Equipment/function Wilo-Stratos Wilo Catalogue A1 - 50 Hz - Circulation pumps in glandless designWilo-Stratos
1.25x3-20 1.25x3-25 1.25x3-30 1.25x3-35 1.5x3-40 2x3-35 3x3-30 3x3-40
Operating modes
Manual control mode (n=constant) •>p-c for constant differential pressure •>p-v for variable differential pressure •>p-T for temperature-controlled differential pressure •
Manual functions
Operating mode setting •Differential-pressure setpoint setting •"Autopilot" setting (automatic setback operation) •Pump ON/OFF setting •Speed setting (manual control mode) •
Automatic functions
Stageless power adjustment depending on the oper-ating mode •
"Autopilot" automatic setback operation •Deblocking function •Soft start •Full motor protection with integrated trip electronics •
External control functions
"Analogue In 0 ... 10 V" control input (remote speed adjustment)
•Possible with Stratos IF-Modules (accessories)
"Analogue In 0 ... 10 V" control input (remote adjust-ment setpoint)
•Possible with Stratos IF-Modules (accessories)
Signal and display functions
Collective fault signal (potential-free NC contact) •Fault signal light •LCD screen for indication of pump data and fault codes •
Data exchange
Infrared interface for wireless data exchange with IR-Module/IR-Monitor (see IR-Module/IR-Monitor function table)
•
Serial digital LON interface for connection to a LON-WORKS network
•Possible with Stratos IF-Modules (accessories)
Wilo-Stratos
Heating, air-conditioning, coolingHigh-efficiency pumps (single pumps)
Equipment/function
Dual pump management (double pump or 2 x single pump)
Main/standby mode (automatic fault-actuated switchover/time-dependent pump cycling) •
Parallel operation (efficiency-optimised peak load cut-in and out) – • – •
Equipment/scope of delivery
Including seals for threaded connection (loose) •Including installation and operating instructions •
• = available, - = not available
Wilo-Stratos
1.25x3-20 1.25x3-25 1.25x3-30 1.25x3-35 1.5x3-40 2x3-35 3x3-30 3x3-40
3Wilo Catalogue A1 - 50 Hz - Circulation pumps in glandless design
4
Heating, air-conditioning, coolingHigh-efficiency pumps (single pumps)
Technical Data
Heating, air-conditioning, cooling High-efficiency pumps (single pumps) Technical Data Wilo-Stratos Wilo Catalogue A1 - 50 Hz - Circulation pumps in glandless designWilo-Stratos...
1.25x3-20 1.25x3-25 1.25x3-30 1.25x3-35 1.5x3-40 2x3-35 3x3-30 3x3-40
Approved fluids (other fluids on request)
Heating water • • • • • • • •Water-glycol mixtures (max. 1:1; above 20% admix-ture, the pumping data must be checked) • • • • • • • •
Potable water and water for food-processing com-panies in accordance with TrinkwV 2001 (drinking water ordinance)
- - - - - - - -
Output
Max. delivery head [ft] 20 23 36 30 39 36 33 43
Max. delivery head [m] 6 7 11 9 12 11 10 13
Max. volume flow [USGPM] 30.8 35.2 48.4 57.2 83.7 127.7 180.5 273.0
Max. volume flow [m3/h] 7 8 11 13 19 29 41 62
Permitted field of application
Temperature range14 °F (- 10 °C)
up to 230 °F (+ 110 °C)
Max. ambient temperature 104 °F (+40 °C)
Max. working pressure, pmax [psi] 145
Pipe connections
Nominal flange diameter 1.25 1.25 1.25 1.25 1.5 2.0 3.0 3.0
non ANSI flange (oval, rotated 90°) • • • • – – – –
non ANSI flange (oval) – – – – • – – –
non ANSI flange (round) – – – – – • – –
ANSI flange – – – – – – • •
Electrical connection
Mains connection 1 ~ [V], standard version 230 230 230 230 230 230 230 230
Mains connection 3 ~ [V], standard version 230 230 230 230 230 230 230 230
Mains frequency 60 60 60 60 60 60 60 60
Motor/electronics
Power electronics Frequency converter
Degree of protection Enclosure 2/CSA
Insulation class F F F F F F F F
Wilo-Stratos
Heating, air-conditioning, coolingHigh-efficiency pumps (single pumps)
Technical Data
Materials
Pump housing Grey cast iron (EN-GJL-250)
Impeller Plastic (PPS - 40% GF) Plastic (PP - 50% GF)
Pump shaft Stainless steel (X46Cr13)
Bearing Carbon, metal impregnated
Minimum suction head at suction port [psi] for preventing cavitation at water pumping temperature
Minimum suction head at 122 °F (50°C) 4.3 4.3 4.3 4.3 7.1 7.1 10.0 10.0
Minimum suction head at 203 °F (95°C) 14.2 14.2 14.2 14.2 17.1 17.1 21.3 21.3
Minimum suction head at 230 °F (110°C) 22.8 22.8 22.8 22.8 25.6 25.6 32.7 32.7
• = available, - = not available
Wilo-Stratos...
1.25x3-20 1.25x3-25 1.25x3-30 1.25x3-35 1.5x3-40 2x3-35 3x3-30 3x3-40
5Wilo Catalogue A1 - 50 Hz - Circulation pumps in glandless design
6
Heating, air-conditioning, coolingHigh-efficiency pumps (single pumps)
Pump curves
Heating, air-conditioning, cooling High-efficiency pumps (single pumps) Pump curves Wilo-Stratos Wilo Catalogue A1 - 50 Hz - Circulation pumps in glandless design
Wilo-Stratos 1.25x3-20
Δp-c (constant) Δp-v (variable)
Wilo-Stratos 1.25x3-25
Δp-c (constant) Δp-v (variable)
H[ft] H[m]
0
2
4
6
8
10
12
14
16
18
20
22
00.40.81.21.62.02.42.83.23.64.04.44.85.25.66.06.46.8
Q [USg.p.m.]0 4 8 12 16 20 24 28
Q [m³/h]0 1 2 3 4 5 6 7
Q [l/s]0 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 1.8 2
P 1[hp]
0
0.02
0.04
0.06
0.08
0.10
0.12
Q [US g.p.m.]0 4 8 12 16 20 24 28
Q [m³/h]0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 5.5 6 6.5 7P 1[kW ]
00.010.020.030.040.050.060.070.080.09
min
max.
min
1911 16/'
∆p-c
max.
Wilo-Stratos 1.25x3-201 ~/ 60 Hz
/6m
16 16/ '/5m7
13 8/ '/4m1 9 /
'/3m13 16
6 / '/2m9 16
3 / '/1m1 4
H[ft] H[m]
0
2
4
6
8
10
12
14
16
18
20
22
00.40.81.21.62.02.42.83.23.64.04.44.85.25.66.06.46.8
Q [USg.p.m.]0 4 8 12 16 20 24 28
Q [m³/h]0 1 2 3 4 5 6 7
Q [l/s]0 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 1.8 2
P 1[hp]
0
0.02
0.04
0.06
0.08
0.10
0.12
Q [US g.p.m.]0 4 8 12 16 20 24 28
Q [m³/h]0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 5.5 6 6.5 7P 1[kW ]
00.010.020.030.040.050.060.070.080.09max.
Wilo-Stratos 1.25x3-201~/ 60 Hz
1911 16
/
'/6m
6 /'/2m
9 16
min.
min.
1616/'/5
m7
138/'/4
m1
9/
'/3m13 16
p-v
max.
0
2
4
6
8
10
12
14
16
18
20
22
24
26
00.40.81.21.62.02.42.83.23.64.04.44.85.25.66.06.46.87.27.68.0
0 4 8 12 16 20 24 28 32
0 1 2 3 4 5 6 7
0 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 1.8 2 2.2
00.020.040.060.080.100.120.140.16
0 4 8 12 16 20 24 28 32
0 1 2 3 4 5 6 7
0
0.02
0.04
0.06
0.08
0,10
0.12
H[ft] H[m]
Q [USg.p.m.]
Q [USg.p.m.]
Q [m³/h]
Q [l/s]
P 1[hp]Q [m³/h]
P 1[kW ]
Wilo-Stratos 1.25x3-251 ~/ 60 Hz
min.
min.
Δp-c
max.
max.
13 / '/4m81
6/2m
9 16/ '
1911//6m
16'
16 16'/5m
/7
9/3m
13 16/'
'/1m13 /4
2215//7m
16'
0
2
4
6
8
10
12
14
16
18
20
22
24
26
00.40.81.21.62.02.42.83.23.64.04.44.85.25.66.06.46.87.27.68.0
0 4 8 12 16 20 24 28 32
0 1 2 3 4 5 6 7
0 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 1.8 2 2.2
00.020.040.060.080.100.120.140.16
0 4 8 12 16 20 24 28 32
0 1 2 3 4 5 6 7
0
0.02
0.04
0.06
0.08
0,10
0.12
H[ft] H[m]
Q [USg.p.m.]
Q [USg.p.m.]
Q [m³/h]
Q [l/s]
P 1[hp]Q [m³/h]
P 1[kW ]
Wilo-Stratos 1.25x3-251 ~/ 60 Hz
min.
min.
∆p-v
max.
max.
13 /'/4m
816
/2m9 16/
'
1911//6m
16'16
16'/5m
/79
/3m13 16/
'
2215 /
/7m
16'
Wilo-Stratos
Heating, air-conditioning, coolingHigh-efficiency pumps (single pumps)
Pump curves
Wilo-Stratos 1.25x3-30
Δp-c (constant) Δp-v (variable)
Wilo-Stratos 1.25x3-35
Δp-c (constant) Δp-v (variable)
0 10 20 30 40 50
0 2 4 6 8 10 12
Q[l/s]0 1 2 3
H[ft] H[m]
0
5
10
15
20
25
30
0
2
4
6
8
10
0 10 20 30 40 50
0 2 4 6 8 10 12
0
0.1
0.2
0.3
0.4
0
0.05
0.10
0.15
0.20
0.25
0.30
Q [USg.p.m.]
Q [USg.p.m.]
Q [m³/h]
Q [m³/h]
P 1[hp] P 1[kW]
min.
min.
Δp-c
max.
13 / '/4m81
6 /2m9 16/ '
'/1m13 /4
1911/ /6m16'
291/ /9m2'
Wilo-Stratos 1.25x3-301 ~/ 60 Hz
261/ /8m4'
max.
0 50 10 20 30 4 0
0 2 4 6 8 10 12
0 1 2 3
0
5
10
15
20
25
30
0
2
4
6
8
10
0 10 20 30 40 50
0 2 4 6 8 10 12
0
0.1
0.2
0.3
0.4
0
0.05
0.10
0.15
0.20
0.250.30
Q [USg.p.m.]
H[ft] H[m]
Q[l/s]
Q [m³/h]
Q [USg.p.m.]
P 1[hp]Q [m³/h]
P 1[kW ]
Wilo-Stratos 1.25x3-301 ~/ 60 Hz
Δp-v
max.
min.
13 / '/4m81
1911//6m
16'
261/ /8m4' 16 16'/5
m/7
2215//7m
16'
min.
max.
0 4
0 10 20 30 40
0 2 4 6 8 10
0 0.5 1.0 1.5 2.0 2.5 3.0
0
10
20
30
40
0
2
4
6
8
10
12
14
0 10 20 3 0
0 2 4 6 8 10
0
0.1
0.2
0.3
0.4
0
0.05
0.10
0.15
0.20
0.250.30
H[ft] H[m]Q [m³/h]
P 1[hp]
Q [USg.p.m.]
Q [USg.p.m.]
Q [l/s]
Q [m³/h]P 1[kW ]
Wilo-Stratos 1.25x3-351 ~/ 60 Hz
min.
max.
min.
13 / '/4m81
6 /2m9 16/ '
'/1m13 /4
1911/ /6m16'
3213/ /10m16' 261/ /8m
4'
Δp-c
max.
0 10 20 30 40
0 2 4 6 8 10
0 0,5 1,0 1,5 2,0 2,5 3,0
0
10
20
30
40
0
2
4
6
8
10
12
14
0 10 20 30 40
0 2 4 6 8 10
0
0.1
0.2
0.3
0.4
0
0.05
0.10
0.15
0.20
0.25
0.30
H[ft]
P 1[hp]
H[m]
Q [USg.p.m.]
Q [USg.p.m.]
Q [m³/h]
Q [l/s]
Q [m³/h]P 1[kW ]
Wilo-Stratos 1.25x3-351 ~/ 60 Hz
min.
Δp-v
max.
max.
min.
3213 //10m
16'13 / '/4m
81
1911//6m
16'261/ /8m
4'
7Wilo Catalogue A1 - 50 Hz - Circulation pumps in glandless design
8
Heating, air-conditioning, coolingHigh-efficiency pumps (single pumps)
Pump curves
Wilo-Stratos 1.5x3-40
Δp-c (constant) Δp-v (variable)
Wilo-Stratos 2x3-35
Δp-c (constant) Δp-v (variable)
0 20 40 60
0 4 8 12 16
0 1 2 3 4 5
0
10
20
30
40
0
2
4
6
8
10
12
14
0 20 40 60
0 4 8 12 16
0
0.1
0.2
0.3
0.4
0.5
0.6
0
0.1
0.2
0.3
0.4
80
80Q [USg.p.m.]
H[ft] H[m]
Q [m³/h]
Q [USg.p.m.]
Q [l/s]
Q [m³/h]
P 1[hp] P 1[kW ]
Wilo-Stratos 1.5x3-401 ~/ 60 Hz
min.
min.
Δp-c
max.
max.
13 / '/4m81
6 /2m9 16/ '
'/1m13 /4
1911/ /6m16'
3213/ /10m16' 261/ /8m
4'393 /12m'/ 8
0 4 8 12 16
0 1 2 3 4 5
0
10
20
30
40
0
2
4
6
8
10
12
14
0 20 40 60
0 4 8 12 16
0
0.1
0.2
0.3
0.4
0.5
0.6
0
0.1
0.2
0.3
0.4
0 20 40 60 80
80
H[ft] H[m]
Q [m³/h]
P 1[hp]
Q [USg.p.m.]
Q [USg.p.m.]
Q [l/s]
Q [m³/h]P 1[kW ]
min.
min.
Δp-v
max.
max.
3213//10m
16' 13 /'/4m
81
1911//6m
16'261/ /8m
4'
393 /
/12m
8'
Wilo-Stratos 1.5x3-401 ~/ 60 Hz
0 20 40 60 80 100
0 5 10 15 20 25
0 2 4 6
0
10
20
30
40
0
2
4
6
8
10
12
14
0 20 40 60 80 100
0 5 10 15 20 25
0
0.2
0.4
0.6
0.8
0
0.1
0.2
0.3
0.4
0.50.6
H[ft] H[m]Q [m³/h]
Q [USg.p.m.]
Q [l/s]
Q [m³/h]
Q [USg.p.m.]
P 1[hp] P 1[kW ]
min.
Δp-c
max.
13 / '/4m81
6 /2m9 16/ '
'/1m13 /4
1911/ /6m16'
3213/ /10m16'
261/ /8m4'
Wilo-Stratos 2x3-351 ~/ 60 Hz
min.
max.
0 20 40 60 80 100
0 5 10 15 20 25
0 2 4 6
0
10
20
30
40
0
2
4
6
8
10
12
14
0 20 40 60 80 100
0 5 10 15 20 25
0
0.2
0.4
0.6
0.8
0
0.1
0.2
0.3
0.4
0.50.6
Q [USg.p.m.]
Q [USg.p.m.]
Q [l/s]
Q [m³/h]P 1[hp] P 1[kW ]
H[ft] H[m]Q [m³/h]
Wilo-Stratos 2x3-351 ~/ 60 Hz
min.
Δp-v
max.
max.
3213//10m
16' 13 / '/4m81
1911//6m
16'261/ /8m
4'
361/
/11m
16'
min.
Wilo-Stratos
Heating, air-conditioning, coolingHigh-efficiency pumps (single pumps)
Pump curves
Wilo-Stratos 3x3-30
Δp-c (constant) Δp-v (variable)
Wilo-Stratos 3x3-40
Δp-c (constant) Δp-v (variable)
0 40 80 120 160
0 10 20 30
0 2 4 6 8 10
0
5
10
15
20
25
30
35
0
2
4
6
8
10
0 40 80 120 160
0 10 20 30
0
0.2
0.4
0.6
0.8
1.0
0
0.2
0.4
0.6
0.8
Wilo-Stratos 3x3-301 ~/ 60 Hz
13 / '/4m81
6/2m
9 16/ '
'/1m13 /4
1911/ /6m16'3213/ /10m
16' 261/ /8m4'
H[ft] H[m]
Q [m³/h]
Q [USg.p.m.]
Q [l/s]
Q [m³/h]
Q [USg.p.m.]
P 1[hp] P 1[kW ]
min.
Δp-c
max.
min.
max.
0 40 80 120
Q [m³/h]0 10 20 30
0 2 4 6 8 10
0
5
10
15
20
25
30
35
0
2
4
6
8
10
0 40 80 120
160
160
0 10 20 30
0
0.2
0.4
0.6
0.8
1.0
0
0.2
0.4
0.6
0.8
H[ft] H[m]
Q [USg.p.m.]
Q [USg.p.m.]
Q [l/s]
P 1[hp]Q [m³/h]
P 1[kW ]
Wilo-Stratos 3x3-301 ~/ 60 Hz
min.
min.
Δp-v
max.
max.
3213 /
/10m
16' 13 / '/4m81
1911//6m
16'261/
/8m4'
Q [US g.p.m.]0 50 100 150 200
Q [m³/h]0 10 20 30 40 50
Q [l/s]0 4 8 12 16
H [ft]
0
10
20
30
40
H [m]
0
2
4
6
8
10
12
14
Q [US g.p.m.]0 50 100 150 200
Q [m³/h]0 10 20 30 40 50
0
0.4
0.8
1.2
1.6
2.0
0
0.4
0.8
1.2
1.6P 1[hp] P 1[kW ]
min.
∆p-c
max.
max.
min.
393/ /12m8' 13 / '/4m
81
6 /2m9 16/ '
'/1m13 /4
1911//6m
16'3213/ /10m
16'261/ /8m
4'
Wilo-Stratos 3x3-401 ~/ 60 Hz
Q [US g.p.m.]0 50 100 150 200
Q [m³/h]0 10 20 30 40 50
Q [l/s]0 4 8 12 16
H [ft]
0
10
20
30
40
H [m]
0
2
4
6
8
10
12
14
Q [US g.p.m.]0 50 100 150 200
Q [m³/h]0 10 20 30 40 50
0
0.4
0.8
1.2
1.6
2.0
0
0.4
0.8
1.2
1.6P 1[hp] P 1[kW ]
Wilo-Stratos 3x3-401 ~/ 60 Hz
Δp-v
max.
max.
min.
3213//10m
16'13 /
'/4m81
1911//6m
16'261/ /8m
4'
393//12m
8'
min.
9Wilo Catalogue A1 - 50 Hz - Circulation pumps in glandless design
10
Heating, air-conditioning, coolingHigh-efficiency pumps (single pumps)
Wiring diagram, motor data
Heating, air-conditioning, cooling High-efficiency pumps (single pumps) Wiring diagram, motor data Wilo-Stratos Wilo Catalogue A1 - 50 Hz - Circulation pumps in glandless design
Wiring diagram
FC: Collective fault signal (NC contact rating 1 A, 250 V~)
PE FC L1 L3
L2 L3
L1 L2 PE
FC230 V
1~ 230 V / 60 Hz
3~ 230 V / 60 Hz
Motor data
Wilo-Stratos... Nominal motor power Speed Power con-sumption 1~230 V
Power con-sumption 1~230 V
Current at 1~230V
Current at 3~230V
Motor pro-tection
Threaded ca-ble connec-
tionP2 n P1 P1 I – PG
[hp] [W] [rpm] [hp] [W] [A] –
1.25x3-20 0.087 65 1400 - 3400 0.01 - 0.11 9 - 85 0.13 - 0.78 0.13 - 0.78 integrated 1xNPT 1/4"/1xNPT 1/2"
1.25x3-25 0.134 100 1400 - 3700 0.01 - 0.17 9 - 130 0.13 - 1.20 0.13 - 1.20 integrated 1xNPT 1/4"/1xNPT 1/2"
1.25x3-30 0.268 200 1600 - 4800 0.02 - 0.42 16 - 310 0.16 - 1.37 0.16 - 1.37 integrated 1xNPT 1/4"/1xNPT 1/2"
1.25x3-35 0.268 200 1600 - 4800 0.02 - 0.42 16 - 310 0.16 - 1.37 0.16 - 1.37 integrated 1xNPT 1/4"/1xNPT 1/2"
1.5x3-40 0.469 350 1400 - 4600 0.03 - 0.63 25 - 470 0.20 - 2.05 0.20 - 2.05 integrated 1xNPT 1/4"/1xNPT 1/2"
2x3-35 0.671 500 1400 - 4600 0.03 - 0.79 25 - 590 0.20 - 2.60 0.20 - 2.60 integrated 1xNPT 1/4"/1xNPT 1/2"
3x3-30 0.872 650 950 - 3300 0.05 -1.07 38 - 800 0.30 - 3.50 0.30 - 3.50 integrated 1xNPT 1/4"/1xNPT 1/2"
3x3-40 1.743 1300 900 - 3300 0.05 - 2.08 40 - 1550 0.32 - 6.80 0.32 - 6.80 integrated 1xNPT 1/4"/1xNPT 1/2"
Wilo-Stratos
Heating, air-conditioning, coolingHigh-efficiency pumps (single pumps)
Dimensions, weights
Heating, air-conditioning, cooling High-efficiency pumps (single pumps) Dimensions, weights Wilo-Stratos Wilo Catalogue A1 - 50 Hz - Circulation pumps in glandless design
Dimension drawing 1 Dimension drawing 2
Dimension drawing 3
l 0
l 2
a2 a1
blind plug
b2b1
b5b4
NPT ¼"NPT ½"
l 1
l 2
a2 a1b2b1
b5b4
blind plugNPT ¼"
NPT ½"
l 0l 1
l 2
a2 a1b2b1
b5b4
blind plugNPT ¼"
NPT ½"
l 0l 1
Dimension drawing flange 1 Dimension drawing flange 2
Ø
Ø
Ø D
d
DN
k
n x d L
n x d L
Ø
Ø
Ø
D
d
DN
k
11Wilo Catalogue A1 - 50 Hz - Circulation pumps in glandless design
12
Heating, air-conditioning, coolingHigh-efficiency pumps (single pumps)
Dimensions, weights
Dimensions, weights
Wilo-Stratos... Nominal flange diameter
Overall length Dimensions
DN l0 l1 l2 a1 a2[In.] [mm] [In.] [mm] [In.] [mm] [In.] [mm] [In.] [mm] [In.] [mm]
1.25x3-20 1.25 32 61/2 165 31/4 82.5 115/16 49 73/16 182 111/16 431.25x3-25 1.25 32 61/2 165 31/4 82.5 115/16 49 73/16 182 111/16 431.25x3-30 1.25 32 81/2 216 41/4 108 23/16 55 81/16 204 17/8 481.25x3-35 1.25 32 81/2 216 41/4 108 23/16 55 715/16 201 115/16 501.5x3-40 1.5 40 10 254 5 127 25/8 66 915/16 252 27/16 622x3-35 2 50 11 279 51/2 139.5 25/8 66 101/16 256 27/16 623x3-30 3 80 14 356 7 178 31/16 78 1213/16 325 37/16 873x3-40 3 80 14 356 7 178 31/16 78 1215/16 329 39/16 90
Dimensions, weights
Wilo-Stratos... Dimensions Weight approx. Dimen-sion
drawingb1 b2 b4 b5 M –
[In.] [mm] [In.] [mm] [In.] [mm] [In.] [mm] [lbs] [kg] –1.25x3-20 21/8 54 17/8 48 31/2 89 59/16 142 13.2 6.0 11.25x3-25 21/8 54 17/8 48 31/2 89 59/16 142 14.3 6.5 11.25x3-30 21/2 63 21/8 54 43/16 106 511/16 145 17.6 8.0 11.25x3-35 23/8 61 23/16 55 43/16 106 511/16 145 17.6 8.0 11.5x3-40 27/8 73 21/2 64 43/4 120 67/16 163 26.5 12.0 22x3-35 31/4 82 21/2 64 43/4 120 67/16 163 33.1 15.0 33x3-30 41/16 103 35/16 84 61/8 156 71/2 191 68.3 31.0 33x3-40 47/16 113 39/16 90 61/8 156 71/2 191 72.8 33.0 3
Flange dimensions
Wilo-Stratos... Flange Nominal flange diameter
Pump flange dimensions Dimension drawing,
flange– DN Ø D Ø d Ø k n x Ø dL –– [In.] – [In.] [mm] [In.] [mm] [In.] [mm] [pcs. x mm] –
1.25x3-20 Non ANSI (oval 90° rotated) 1.25 32 43/4 121 27/8 73 31/2 89 2 x 14 2 x 14 1
1.25x3-25 Non ANSI (oval 90° rotated) 1.25 32 43/4 121 27/8 73 31/2 89 2 x 14 2 x 14 1
1.25x3-30 Non ANSI (oval 90° rotated) 1.25 32 43/4 121 27/8 73 31/2 89 2 x 14 2 x 14 1
1.25x3-35 Non ANSI (oval 90° rotated) 1.25 32 43/4 121 27/8 73 31/2 89 2 x 14 2 x 14 1
1.5x3-40 Non ANSI (oval) 1.5 40 43/4 121 27/8 73 31/2 89 2 x 14 2 x 14 12x3-35 Non ANSI (round) 2 50 51/4 133 37/16 87 4 102 4 x 14 4 x 14 2
3x3-30 ANSI R.F. Class 125 ASTMA 126 3 80 79/16 192 51/16 128 6 152 4 x 19 4 x 19 2
3x3-40 ANSI R.F. Class 125 ASTMA 126 3 80 79/16 192 51/16 128 6 152 4 x 19 4 x 19 2
Wilo-Stratos