Wilo-SCP

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

Series description

Design

Axially spilt case pump mounted on a baseplate

Application

  • 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

Description/design

  • 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)

Materials

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

Scope of delivery

  • Pump
  • Installation and operating instructions

Options

  • 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

Product

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)

Materials

Pump housing

EN-GJL-250

Pump housing (special version)

Ni-resist cast iron GGL-NiCr202/X6CrNiMo1810

Impeller

G-CuSn10

Impeller (special version)

Stationary wear rings

G-CuSN10

Pump shaft

X12cr13

Pump shaft (special version)

X5CrNiMo1810

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

Impeller

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

Motor/electronics

IEC standard motor

Protection class

IP 55

Insulation class

F

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)

Downloads

Clean Water

Page format A4
Number of pages 24

PDF (8 MB)

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General overview

Edition 2017
Page format A4
Number of pages 72

PDF (46 MB)

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Wilo-SCP

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

PDF (2 MB)

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