011 608 2780


Series description


Axially spilt case pump mounted on a baseplate


  • Pumping heating water in accordance with VDI 2035 water/glycol mixtures, cooling/cold water and domestic hot water
  • Applications in municipal water supply, irrigation, building services, general industry, power stations, etc.

Type key

ExampleSCP 200/250HA‐110/4
SCPAxially split case pump
200Nominal diameter of pressure port
250Nominal diameter of impeller
HAHydraulics type A
HBHydraulics type B
HsSingle suction impeller
DSTwo-stage pump
DVDouble volute
110Rated motor power P2 [kW]
44-pole motor

Special features/product advantages

  • Efficient hydraulics for high flow rates up to 17,000 m³/h
  • Low NPSH thanks to double suction impeller
  • High process reliability and easy maintenance without removing the pressure or suction lines
  • Decreased noise level and reduced vibrations
  • Options: energy efficient IE3-/IE4 motors, drinking water approval (KTW, ACS), innovative Ceram CT coating


  • Centrifugal axially split case pump, available in single-stage and two-stage design.
  • Delivered as complete unit (pump with coupling, coupling guard, motor and baseplate) or without motor or only pump hydraulics
  • Shaft sealing with mechanical seal or stuffing box packing
  • 2-, 4- and 6-pole motors; IE3-standard to 375 kW (IE4, IE2 on request)
  • Cast baseplate: SCP 200 and higher with welded steel frame (depending on the motor power and dimensions)


  • Pump housing: EN-GJL-250
  • Impeller: G-CuSn10
  • Shaft: X12Cr13

Scope of delivery

  • Pump
  • Installation and operating instructions


  • Other motor versions on request
  • Higher volume flow up to 17 000 m3/h as special version
  • Special motor (6000V, 10 000 V etc.)
  • Special construction
    • Impeller: Bronze, grey cast iron, stainless steel
    • Housing: grey cast iron, spheroidal cast iron
  • Cyclone separator (for flushing the gasket)

Duty chart

Similar to figure


Approved fluids (other fluids on request)

Heating water (in accordance with VDI 2035)

Cooling and cold water

Water-glycol mixtures (for 20-40 vol.% glycol and fluid temperature ≤ 40 °C)

(from 10 vol.% glycol: performance check required)

Permitted field of application

Fluid temperature - mechanical seal T

-8...+120 °C

Fluid temperature - stuffing box packing T

-8...+105 °C

Pipe connections

Nominal connection diameters DN

On suction side: 65-500 (larger nominal diameters on request)
on pressure side: 50-400 (larger nominal diameters on request)


Pump housing


Pump housing (special version)

Ni-resist cast iron GGL-NiCr202/X6CrNiMo1810



Impeller (special version)

Stationary wear rings


Pump shaft


Pump shaft (special version)


Mechanical seal

Carbon/silicon carbide/EPDM (E1)

Other mechanical seals

Stuffing box packing

Materials (American standard)

Pump housing

A48 class 35

Pump housing (special version)

Ni-resist BS 3468 Gr 2/BS 2789 500.1


B584 C83 600

Impeller (special version)

A48 class 35/A 743 Gr CF8M

Stationary wear rings

B584 C93 700

Pump shaft

A276 type 410

Pump shaft (special version)

BS 970 316 S16

Mechanical seal

Carbon/silicon carbide/EPDM (E1)

Other mechanical seals

Stuffing box packing


IEC standard motor

Protection class

IP 55

Insulation class


PTC thermistor sensor

Motor protection required on site

to be provided by the customer for installation

Motor winding up to 3 kW

230 V Δ/400 V Y, 50 Hz

Motor winding from 4 kW

400 V Δ/690 V Y, 50 Hz

Other voltages/frequencies

Special version at additional charge

Speed of 6-pole motors n

980 rpm

Speed of 4-pole motors n

1450 rpm

Speed of 2-pole motors n

2900 rpm

Speed control

Wilo control devices, external frequency converter (at additional charge)


Clean Water

Page format A4
Number of pages 24

PDF (8 MB)


General overview

Edition 2017
Page format A4
Number of pages 72

PDF (46 MB)



Article Number 4144991
Edition 1503
Version number 05
Page format A4
Number of pages 42

PDF (2 MB)



Tipps & Guides

General Overview 2018



Page selection

Format selection

Optional information

You can enter any personal information that you want to be displayed in the header.