Wilo-Atmos TERA-SCH

Series description

Your advantages

  • Reliable continuous duty for an efficient drinking water supply over extensive piping networks – can be tailored to suit your exact requirements
  • Reduced energy costs through high overall efficiency
  • Simplified and shorter alignment process thanks to tolerant coupling and motor adjusting device
  • Increased operational reliability thanks to quiet-running hydraulics with lower vibrations and reduced noise level
  • Reduced cavitation tendency through optimised NPSH-performances
  • Lower space requirements due to compact design
  • Also available as certified drinking water version – optionally with Ceram CT coating which is also approved for drinking water
  • Optionally with Ceram CT coating – for an efficiency increase of up to 3 %
  • Standard volume flow of up to 4500 m³/h

Axially split case pump for reliable operation and energy-efficient transport of large volume flows through extensive distribution networks.

The Wilo-Atmos TERA-SCH axially split case pump provides a reliable water supply 365 days a year at low operating costs. The pump’s easy maintenance design and high efficiency across the entire characteristic curve ensure low-wearing and energy-efficient operation and contribute to the consistent water supply.


Pump with axially split housing mounted on a base frame


  • Raw water intake, pressure boosting and general transport in power plants, waterworks and municipal drinking water supply networks
  • Cooling water and industrial water supply in power plants and industrial facilities
  • Irrigation in professional irrigation/agriculture
  • Pumping of heating water (in accordance with VDI 2035 Germany) and water glycol mixtures

Scope of delivery

  • Bare shaft pump or with coupling or as complete unit
  • Installation and operating instructions

Type key


Atmos TERA-SCH 250/360-75/4-L1


Product family


Series designation


Axially split case pump, horizontal


DN for the pressure flange


Impeller nominal diameter [mm]


Rated power P2 [kW]


Number of poles


Variant code (L1 = bronze impeller)

Technical data

  • Fluid temperature -20 °C to +120 °C
  • Mains connection 3~400 V, 50 Hz
  • Nominal diameters
    • on the suction side: DN 150 to DN 600
    • on the pressure side: DN 125 to DN 450
  • Max. operating pressure: PN 10, PN 16


  • Pump housing: EN-GJL-250
  • Impeller: EN-GJL-250 / G-CuSn10 / GX5CrNiMo19-11-2
  • Shaft: X12cr13


  • Centrifugal pump with axially split housing, available in single-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 1000 kW (IE4 on request)
  • Welded steel frame


REACH regulation

Edition 2019-10
Page format 209.9 x 296.7 mm
Number of pages 4

PDF (1 MB)


Product information Wilo-EFC. Powerful, flexible, cost-efficient.

Page format 209.9 x 297.0 mm
Number of pages 8

PDF (8 MB)


General overview 2020 International version

Edition 2020
Version number 1
Page format 209.9 x 297.0 mm
Number of pages 78

PDF (48 MB)



PDF: Wilo-Atmos TERA-SCH


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