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Submersible sewage pump

WQ

Submersible sewage pump, WQ traditional (50 Hz)

WQ: submersible sewage pump from the CNP range. 108 models, flow 7 to 2,000 m³/h, head up to 56 m, motors 0.55 to 90 kW. Typical duties: sewage treatment systems for buildings, hospitals, residential areas, municipal and industrial projects; drainage and waste-water treatment; mines and prospecting. Open a model for its rated duty, dimensions and datasheet, or send us your duty and we will confirm the selection.

  • Traditional submersible sewage pump; IPX8 motor, tandem mechanical seals, two-channel impeller.
  • Water-cutting cable entry stops liquid reaching the motor cabinet if the cable cover is damaged
  • IPX8 class F submersible motor with thermal protector (7.5 kW and below) or leak sensor (above 11 kW)
  • Double mechanical seal in an oil chamber; hydraulic lifter keeps the seal lubricated
  • Automatic vent valve exhausts air when the pump starts
View 108 models Find a pump
WQCNP-S-000044
Flow
7–2000 m³/h
Head
up to 56 m
Power
0.55–90 kW
Mains
50 Hz
Models
108
Liquid temp.
Below 40 °C

Sizes

The 108 models of the WQ range grouped by outlet size. Open the Models tab for every model with its performance data.

Outlet sizeFlow rangeHeadPowerOutletModels
DN40 outlet 7–15 m³/h 8–15 m 0.75–1.5 kW DN40 4
DN50 outlet 7–30 m³/h 7–40 m 0.55–7.5 kW DN50 17
DN65 outlet 20–35 m³/h 7–56 m 1.5–11 kW DN65 7
DN80 outlet 40–85 m³/h 10–45 m 2.2–11 kW DN80 10
DN100 outlet 45–120 m³/h 7–42 m 2.2–30 kW DN100 14
DN150 outlet 100–250 m³/h 7–55 m 5.5–75 kW DN150 19
DN200 outlet 250–400 m³/h 7–50 m 11–90 kW DN200 14
DN250 outlet 600–800 m³/h 9–30 m 30–90 kW DN250 7
DN300 outlet 800–900 m³/h 7–22 m 30–90 kW DN300 6
DN350 outlet 1000–1200 m³/h 6–18 m 30–90 kW DN350 6
DN400 outlet 1300–1500 m³/h 8–15 m 55–90 kW DN400 3
DN500 outlet 2000 m³/h 10 m 90 kW DN500 1

Models

Filter by duty point, mains frequency or size. Click a model for its performance curve and data.

Model table (PDF)
ModelSeriesFlow m³/hHead mPower kWrpmOutletkg
40WQ10-10-0.75WQ 1010 0.752950 DN4023/26 Details
40WQ7-15-1.1WQ 715 1.12950 DN4025 Details
40WQ15-8-1.1WQ 158 1.12950 DN4025 Details
40WQ12-15-1.5WQ 1215 1.52950 DN4029 Details
50WQ10-7-0.55WQ 107 0.552950 DN5023/26 Details
50WQ10-10-0.75WQ 1010 0.752950 DN5023/26 Details
50WQ7-15-1.1(非法兰)WQ 715 1.12950 DN5025 Details
50WQ7-15-1.1WQ 715 1.12950 DN5025 Details
50WQ15-8-1.1WQ 158 1.12950 DN5025 Details
50WQ10-15-1.5WQ 1015 1.52950 DN5031 Details
50WQ15-10-1.5WQ 1510 1.52950 DN5031 Details
65WQ25-8-1.5WQ 258 1.52950 DN6538 Details
50WQ9-22-2.2WQ 922 2.22950 DN5037 Details
50WQ25-10-2.2WQ 2510 2.22950 DN5037 Details
65WQ35-7-2.2WQ 357 2.22950 DN6538 Details
80WQ40-10-2.2WQ 4010 2.22950 DN8041 Details
100WQ50-7-2.2WQ 507 2.22950 DN10041 Details
50WQ15-30-3WQ 1530 32950 DN5043 Details
50WQ20-25-3WQ 2025 32950 DN5043 Details
65WQ35-10-3WQ 3510 32950 DN6542 Details
80WQ40-12-3WQ 4012 32950 DN8043 Details
100WQ60-9-3WQ 609 32950 DN10062 Details
50WQ15-35-4WQ 1535 42950 DN5061 Details
50WQ25-22-4WQ 2522 42950 DN5061 Details
65WQ20-25-4WQ 2025 42950 DN6560 Details
80WQ40-15-4WQ 4015 42950 DN8061 Details
80WQ60-12-4WQ 6012 42950 DN8061 Details
100WQ80-8-4WQ 808 42950 DN10062 Details
50WQ15-40-5.5WQ 1540 5.52950 DN5068 Details
50WQ25-25-5.5WQ 2525 5.52950 DN5068 Details
65WQ30-30-5.5WQ 3030 5.52950 DN6565 Details
80WQ40-22-5.5WQ 4022 5.52950 DN8074 Details
80WQ65-15-5.5WQ 6515 5.52950 DN8074 Details
80WQ85-10-5.5WQ 8510 5.52950 DN8074 Details
100WQ65-15-5.5WQ 6515 5.52950 DN10074 Details
100WQ85-10-5.5WQ 8510 5.52950 DN10074 Details
150WQ100-7-5.5WQ 1007 5.52950 DN15083 Details
50WQ20-40-7.5WQ 2040 7.52950 DN5095 Details
50WQ30-32-7.5WQ 3032 7.52950 DN5095 Details
65WQ25-35-7.5WQ 2535 7.52950 DN6573 Details
80WQ45-25-7.5WQ 4525 7.52950 DN80100 Details
80WQ65-20-7.5WQ 6520 7.52950 DN80100 Details
100WQ80-15-7.5WQ 8015 7.52950 DN100103 Details
100WQ45-25-7.5WQ 4525 7.52950 DN100103 Details
150WQ100-12-7.5WQ 10012 7.52950 DN150108 Details
150WQ135-10-7.5WQ 13510 7.51475 DN150143 Details
65WQ20-56-11WQ 2056 112950 DN65148 Details
80WQ40-45-11WQ 4045 112950 DN80153 Details
100WQ80-25-11WQ 8025 111475 DN100212 Details
150WQ130-15-11WQ 13015 111475 DN150220 Details
150WQ200-10-11WQ 20010 111475 DN150220 Details
200WQ300-7-11WQ 3007 111475 DN200230 Details
100WQ80-30-15WQ 8030 151475 DN100239 Details
100WQ100-22-15WQ 10022 151475 DN100239 Details
150WQ130-20-15WQ 13020 151475 DN150242 Details
150WQ150-18-15WQ 15018 151475 DN150242 Details
150WQ200-15-15WQ 20015 151475 DN150242 Details
200WQ250-12-15WQ 25012 151475 DN200257 Details
100WQ80-35-18.5WQ 8035 18.51475 DN100285 Details
100WQ100-30-18.5WQ 10030 18.51475 DN100285 Details
150WQ150-22-18.5WQ 15022 18.51475 DN150290 Details
150WQ180-20-18.5WQ 18020 18.51475 DN150290 Details
200WQ250-15-18.5WQ 25015 18.51475 DN200312 Details
200WQ300-12-18.5WQ 30012 18.51475 DN200312 Details
100WQ100-34-22WQ 10034 221475 DN100300 Details
200WQ250-17-22WQ 25017 221475 DN200330 Details
200WQ300-15-22WQ 30015 221475 DN200330 Details
100WQ120-42-30WQ 12042 301475 DN100432 Details
150WQ180-30-30WQ 18030 301475 DN150455 Details
150WQ250-22-30WQ 25022 301475 DN150455 Details
200WQ360-16-30WQ 36016 301475 DN200475 Details
250WQ600-9-30WQ 6009 301475 DN250490 Details
300WQ800-7-30WQ 8007 301475 DN300475 Details
350WQ1000-6-30WQ 10006 30980 DN350785 Details
150WQ180-34-37WQ 18034 371475 DN150528 Details
150WQ250-27-37WQ 25027 371475 DN150528 Details
200WQ300-22-37WQ 30022 371475 DN200528 Details
200WQ400-18-37WQ 40018 371475 DN200528 Details
250WQ600-13-37WQ 60013 371475 DN250545 Details
300WQ900-7-37WQ 9007 371475 DN300567 Details
350WQ1000-7-37WQ 10007 37980 DN350785 Details
150WQ180-37-45WQ 18037 451475 DN150528 Details
150WQ250-34-45WQ 25034 451475 DN150528 Details
200WQ400-25-45WQ 40025 451475 DN200575 Details
250WQ600-16-45WQ 60016 451475 DN250600 Details
250WQ800-12-45WQ 80012 451475 DN250600 Details
300WQ900-9-45WQ 9009 451475 DN300626 Details
350WQ1000-10-45WQ 100010 451475 DN350832 Details
150WQ150-54-55WQ 15054 551475 DN150890 Details
150WQ200-50-55WQ 20050 551475 DN150890 Details
200WQ300-38-55WQ 30038 551475 DN200806 Details
200WQ400-32-55WQ 40032 551475 DN200806 Details
250WQ600-20-55WQ 60020 551475 DN250825 Details
300WQ800-15-55WQ 80015 551475 DN300626 Details
350WQ1100-10-55WQ 110010 551475 DN350832 Details
400WQ1300-8-55WQ 13008 55980 DN4001410 Details
150WQ200-55-75WQ 20055 751475 DN150910 Details
200WQ350-45-75WQ 35045 751475 DN200906 Details
250WQ600-25-75WQ 60025 751475 DN250955 Details
300WQ800-18-75WQ 80018 751475 DN3001010 Details
350WQ1200-15-75WQ 120015 75980 DN3501100 Details
400WQ1400-12-75WQ 140012 75980 DN4002010 Details
200WQ350-50-90WQ 35050 901475 DN2001200 Details
250WQ600-30-90WQ 60030 901475 DN2501008 Details
300WQ900-22-90WQ 90022 901475 DN3001060 Details
350WQ1100-18-90WQ 110018 90980 DN3501410 Details
400WQ1500-15-90WQ 150015 90980 DN4001500 Details
500WQ2000-10-90WQ 200010 90980 DN5001600 Details

Performance range

Every model of the WQ range on one chart: each dot is the rated duty point of one model. Click a line or dot to open that model with its full data.

10205010020050010002000102050Flow (m³/h)Head (m)40WQ10-10-0.75 · 50 Hz40WQ7-15-1.1 · 50 Hz40WQ15-8-1.1 · 50 Hz40WQ12-15-1.5 · 50 Hz50WQ10-7-0.55 · 50 Hz50WQ10-10-0.75 · 50 Hz50WQ7-15-1.1(非法兰) · 50 Hz50WQ7-15-1.1 · 50 Hz50WQ15-8-1.1 · 50 Hz50WQ10-15-1.5 · 50 Hz50WQ15-10-1.5 · 50 Hz65WQ25-8-1.5 · 50 Hz50WQ9-22-2.2 · 50 Hz50WQ25-10-2.2 · 50 Hz65WQ35-7-2.2 · 50 Hz80WQ40-10-2.2 · 50 Hz100WQ50-7-2.2 · 50 Hz50WQ15-30-3 · 50 Hz50WQ20-25-3 · 50 Hz65WQ35-10-3 · 50 Hz80WQ40-12-3 · 50 Hz100WQ60-9-3 · 50 Hz50WQ15-35-4 · 50 Hz50WQ25-22-4 · 50 Hz65WQ20-25-4 · 50 Hz80WQ40-15-4 · 50 Hz80WQ60-12-4 · 50 Hz100WQ80-8-4 · 50 Hz50WQ15-40-5.5 · 50 Hz50WQ25-25-5.5 · 50 Hz65WQ30-30-5.5 · 50 Hz80WQ40-22-5.5 · 50 Hz80WQ65-15-5.5 · 50 Hz80WQ85-10-5.5 · 50 Hz100WQ65-15-5.5 · 50 Hz100WQ85-10-5.5 · 50 Hz150WQ100-7-5.5 · 50 Hz50WQ20-40-7.5 · 50 Hz50WQ30-32-7.5 · 50 Hz65WQ25-35-7.5 · 50 Hz80WQ45-25-7.5 · 50 Hz80WQ65-20-7.5 · 50 Hz100WQ80-15-7.5 · 50 Hz100WQ45-25-7.5 · 50 Hz150WQ100-12-7.5 · 50 Hz150WQ135-10-7.5 · 50 Hz65WQ20-56-11 · 50 Hz80WQ40-45-11 · 50 Hz100WQ80-25-11 · 50 Hz150WQ130-15-11 · 50 Hz150WQ200-10-11 · 50 Hz200WQ300-7-11 · 50 Hz100WQ80-30-15 · 50 Hz100WQ100-22-15 · 50 Hz150WQ130-20-15 · 50 Hz150WQ150-18-15 · 50 Hz150WQ200-15-15 · 50 Hz200WQ250-12-15 · 50 Hz100WQ80-35-18.5 · 50 Hz100WQ100-30-18.5 · 50 Hz150WQ150-22-18.5 · 50 Hz150WQ180-20-18.5 · 50 Hz200WQ250-15-18.5 · 50 Hz200WQ300-12-18.5 · 50 Hz100WQ100-34-22 · 50 Hz200WQ250-17-22 · 50 Hz200WQ300-15-22 · 50 Hz100WQ120-42-30 · 50 Hz150WQ180-30-30 · 50 Hz150WQ250-22-30 · 50 Hz200WQ360-16-30 · 50 Hz250WQ600-9-30 · 50 Hz300WQ800-7-30 · 50 Hz350WQ1000-6-30 · 50 Hz150WQ180-34-37 · 50 Hz150WQ250-27-37 · 50 Hz200WQ300-22-37 · 50 Hz200WQ400-18-37 · 50 Hz250WQ600-13-37 · 50 Hz300WQ900-7-37 · 50 Hz350WQ1000-7-37 · 50 Hz150WQ180-37-45 · 50 Hz150WQ250-34-45 · 50 Hz200WQ400-25-45 · 50 Hz250WQ600-16-45 · 50 Hz250WQ800-12-45 · 50 Hz300WQ900-9-45 · 50 Hz350WQ1000-10-45 · 50 Hz150WQ150-54-55 · 50 Hz150WQ200-50-55 · 50 Hz200WQ300-38-55 · 50 Hz200WQ400-32-55 · 50 Hz250WQ600-20-55 · 50 Hz300WQ800-15-55 · 50 Hz350WQ1100-10-55 · 50 Hz400WQ1300-8-55 · 50 Hz150WQ200-55-75 · 50 Hz200WQ350-45-75 · 50 Hz250WQ600-25-75 · 50 Hz300WQ800-18-75 · 50 Hz350WQ1200-15-75 · 50 Hz400WQ1400-12-75 · 50 Hz200WQ350-50-90 · 50 Hz250WQ600-30-90 · 50 Hz300WQ900-22-90 · 50 Hz350WQ1100-18-90 · 50 Hz400WQ1500-15-90 · 50 Hz500WQ2000-10-90 · 50 Hz

Logarithmic scales. Published catalogue data for clean water; the correct model for your duty is confirmed by our engineers.

Dimensions & weight

Net weight and the main dimensions of each model, in millimetres, from the catalogue. Open a model for the labelled dimension drawing.

ModelWeight (kg)Dim B3Dim B2Dim L5Dim H1Dim HDim H2
40WQ10-10-0.75—320235140380450100
40WQ7-15-1.125320235140380490100
40WQ15-8-1.125320235140380490100
40WQ12-15-1.529360270140420490120
50WQ10-7-0.55—320235140380450110
50WQ10-10-0.75—320235140380450110
50WQ7-15-1.1(非法兰)25320235140380490110
50WQ7-15-1.125320235140380490110
50WQ15-8-1.125320235140380490110
50WQ10-15-1.531370280150415520120
50WQ15-10-1.531370280150415520120
65WQ25-8-1.538395280160———
50WQ9-22-2.237370270150450520125
50WQ25-10-2.237370270150450520125
65WQ35-7-2.238395280160———
80WQ40-10-2.241415285165———
100WQ50-7-2.241460300180———
50WQ15-30-343380300180———
50WQ20-25-343380300180———
65WQ35-10-342395280160———
80WQ40-12-343415300180———
100WQ60-9-362460300180———
50WQ15-35-461395295170———
50WQ25-22-461395295170———
65WQ20-25-460430315180———
80WQ40-15-461440315180———
80WQ60-12-461440315180———
100WQ80-8-462475315190———
50WQ15-40-5.568410310185———
50WQ25-25-5.568410310185———
65WQ30-30-5.565410315180———
80WQ40-22-5.574440315185———
80WQ65-15-5.574440315185———
80WQ85-10-5.574440315185———
100WQ65-15-5.574475315195———
100WQ85-10-5.574475315195———
150WQ100-7-5.583540330195———
50WQ20-40-7.595445345185———
50WQ30-32-7.595445345185———
65WQ25-35-7.573470355185———
80WQ45-25-7.5100510365205———
80WQ65-20-7.5100510365205———
100WQ80-15-7.5103525365205———
100WQ45-25-7.5103525365205———
150WQ100-12-7.5108575365200630800180
150WQ135-10-7.5143575520300685855235
65WQ20-56-11148500365195———
80WQ40-45-11153500365195———
100WQ80-25-11212700540325———
150WQ130-15-11220770560350———
150WQ200-10-11220770560350———
200WQ300-7-11230870580355———
100WQ80-30-15239700540325———
100WQ100-22-15239700540325———
150WQ130-20-15242770560350———
150WQ150-18-15242770560350———
150WQ200-15-15242770560350———
200WQ250-12-15257870580355———
100WQ80-35-18.5285710550325———
100WQ100-30-18.5285710550325———
150WQ150-22-18.5290830620350———
150WQ180-20-18.5290830620350———
200WQ250-15-18.5312870580355———
200WQ300-12-18.5312870580355———
100WQ100-34-22300840680420———
200WQ250-17-22330870580355———
200WQ300-15-22330870580355———
100WQ120-42-304328707104501050——
150WQ180-30-3045586065038010001240240
150WQ250-22-3045586065038010001240240
200WQ360-16-3047591062038010001240285
250WQ600-9-30490101066039010501290330
300WQ800-7-30475147572041012001440305
350WQ1000-6-30785154072051013001500380
150WQ180-34-3752893572538010001240270
150WQ250-27-3752893572538010001240270
200WQ300-22-3752891062038010201260285
200WQ400-18-3752891062038010201260285
250WQ600-13-37545101066039010801320330
300WQ900-7-37567147572041012001440380
350WQ1000-7-37785154072051013001500380
150WQ180-37-45528103075038011001340270
150WQ250-34-45528103075038011001340270
200WQ400-25-4557591062038011001320285
250WQ600-16-45600101066039011001360330
250WQ800-12-45600101066039011001360330
300WQ900-9-45626147572041012501490305
350WQ1000-10-458321530104065012501500280
150WQ150-54-55890102077048013001530250
150WQ200-50-55890102077048013001530250
200WQ300-38-55806101072045811501500335
200WQ400-32-55806101072045811501500335
250WQ600-20-55825107072045811501500390
300WQ800-15-55626147590550012501490400
350WQ1100-10-558321590113068012001500429
400WQ1300-8-5514101810120067012001520380
150WQ200-55-75910110098560013501600250
200WQ350-45-75906101072045812501550335
250WQ600-25-75955107072045811801520390
300WQ800-18-751010147590550011701570400
350WQ1200-15-7511001590115070012001520380
400WQ1400-12-7520102055140075012801580380
200WQ350-50-901200140078052013001700300
250WQ600-30-901008140072045812001580390
300WQ900-22-901060147590550012001570400
350WQ1100-18-9014101590119071021002365380
400WQ1500-15-9015002155150090017002000380
500WQ2000-10-9016002210155092018002100520

Spare parts for WQ

Typical wear and service parts for this type of pump. The exact part, material and part number depend on the model, so send us the model code (or a nameplate photo) and we confirm and quote the right one.

Request spare parts quote
PartWhat it does
Mechanical seals (motor side and pump side)Keep water out of the motor; the key service part
ImpellerPasses the liquid and solids; wears with sand and grit
O-rings and gasketsSeal the motor housing and covers
BearingsCarry the rotor; replace with the seals at overhaul
Seal-chamber oilLubricates and cools the seals; change at overhaul
Power cable and cable glandSupplies the motor; the gland must stay watertight

Generic list for this pump type; it is not a part-number catalogue for the series. Our team confirms the correct part for your model before quoting.

Specification & options

Key parameters

  • Power supply50 Hz, 3 × 380 V
  • Medium temperatureBelow 40 °C
  • pH range4–10
  • Medium densityBelow 1200 kg/m³
  • Solid / liquid ratioBelow 2 %
  • MotorIPX8, insulation class F
  • Outlet pressurePN6 flange
  • Standard cable9 m (15 m and up in 5 m steps)

Oil capacity by pump power

Pump powerOil capacityRemark
2P-0.37kW320
2P-0.55/0.75/1.1kW50040/50WQ15-8-1.1(I); 40/50WQ15-13-1.1(I); 50WQ10-15-1.1QG(I); 50WQ15-12-1.1QG(I); 40/50WQ15-13-1.1JY(I); 40/50WQ15-8-1.1JY(I)
2P-1.1kW670
2P-1.5kW940
2P-2.2kW1160
2P-3kW1100
2P-4kW1300
2P-5.5kW2140
2P-7.5/11/15kW2000
6P-22/30/37kW9100
6P-45/55/75kW14000
8P-22kW9100
4P-2.2kW1300
4P-4kW1200
4P-5.5kW4200
4P-7.5kW4500
4P-11kW5200
4P-15kW5100
4P-18.5/22kW4600
4P-30kW8600
4P-37/45kW9100
4P-55/75kW9600
4/6P-90-150kW25000

Oil capacity unit is not printed in the catalogue.

More features

  • Semi-closed / open double-channel impeller for stable running and low vibration
  • Direct starting up to 37 kW; star-delta from 45 kW; inverter or soft starter advised from 11 kW

Technical data

Liquid temperature

  • Below 40 °C

Typical applications

  • Sewage treatment systems for buildings, hospitals, residential areas, municipal and industrial projects
  • drainage and waste-water treatment
  • mines and prospecting
  • irrigation, aquaculture and fountains
  • Pumped liquid may be rainwater or waste water containing solids and long fibres

Data basis

  • CNP WQ 50 Hz catalogue E221004

Performance values are taken from the published CNP catalogue data. Our engineers confirm the final selection for your liquid, temperature, supply and site before quoting.

Other sewage & drainage pumps

WQ(I)

Submersible sewage pump

  • Flow 8–2000 m³/h
  • Head up to 60 m
  • 0.55–150 kW
View series

Need a pump or a spare part?

Send us the flow and head you need, or the model code and nameplate details of the pump you are repairing. Our team replies with a quotation.

Request a Quotation +92 345 9547419