Ama-Drainer 80 / 100
Ama-Drainer 80 / 100

Main applications

  • Building services
  • Drainage
  • Flood control
  • Groundwaterlevel (mining/buildings)
  • Pressure Drainage
  • Sea -& Riverwater
  • Extraction
  • Systems
  • Waste water
  • Waste water / sewage
  • Waste water lifting units
  • Water
  • Water Extraction
  • Watertransport


Vertical single-stage fully floodable submersible motor pump in close-coupled design, IP68, with or without level control, max. immersion depth: 10 m.


Automatic drainage of pits, shafts, yards and cellars at risk of flooding, lowering of surface water levels, drainage, drainage of underground passages, water extraction from rivers and reservoirs.

Design details


  • Fully floodable submersible motor pump
  •  Close-coupled design
  • Single-stage
  •  To EN 12050-2
  •  Vertical discharge nozzle
  •  With or without level control
  • Wetted parts made of materials coated with anti-corrosive


  • Vertical installation
  •  Wet-installed transportable model
  •  Wet-installed stationary model


  • Surface-cooled three-phase motor
  •  DOL starting or star-delta starting
  •  Motor winding to IEC 60038
  •  Motor design to EN 60043 T1/IEC 34-1
  •  Thermal class B
  • Enclosure IP68 (permanently submerged) to EN 60529 /
    IEC 529
  •  Integrated temperature switches
    Shaft seal
  •  Pump end: 1 mechanical seal
  •  Drive end: 1 mechanical seal
  •  Liquid reservoir between the seals for cooling and

Shaft seal

  • Pump end: 1 mechanical seal
  •  Drive end: 1 mechanical seal
  • Liquid reservoir between the seals for cooling and

Impeller type

  • Open multi-vane impeller
  •  Maintenance-free
  •  Grease-packed rolling element bearings sealed for lif

Overview of technical data

Q (50Hz)0.0 – 130.0 (m³/h)
H (50Hz)4.5 – 26.0 (m)
Type of bearingBall bearings
DriveElectric motor
Drive frequency50 Hz
Type of driveElectric motor
Drive voltageLow voltage
Connection to power supply400 V, 3~
Explosion protectionOHNE
No. of impeller entriesSingle entry
Impeller material (EN standard)JL1040
Type of couplingDirect
Type of lubricationGrease lubrication
Max. permissible fluid temperature50.0 (°C)
Pump set locationWet well
Shaft material (EN standard)1.4021
Suction characteristicsSelf-priming
Type of impellerFree flow impeller, Open
Type of connectionThread
UNSPSC classification4015150300
Casing material (EN standard)JL1040
eClass assignment36410101, 36410100, 36410000
Free passage12.0 (mm)
Installation positionVertical
Shaft seal typeMechanical seal
Main applicationsWaste water / sewage, Building services, Water
Casing materialCast iron
Maximum drive rating7.5 (kW)
Type of installationTransportable, Stationary
Maximum speed of rotation2800.0 (1/min)