Ama-Drainer 400/500

Main applications

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

Technical data

Q max 50.0 m³/h
H max 22.5 m


Vertical single-stage fully floodable submersible motor pumps in close-coupled design, IP68, with or without level control, max. immersion depth: 7 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.

Further technical information about Ama-Drainer 400/500

Overview of technical data

Q (50Hz) 2.0 – 50.0 (m³/h)
H (50Hz) 1.5 – 22.5 (m)
Barrel casing Yes
Type of bearing Ball bearings
Drive Electric motor
Drive frequency 50 Hz
Type of drive Electric motor
Drive voltage Low voltage
Connection to power supply 380/415 V 3~
No. of impeller entries Single entry
Impeller material (EN standard) PA, POLYAMID (PA)
Type of coupling Direct, None
Type of lubrication Grease lubrication
Max. permissible fluid temperature 40.0 (°C)
Pump set location Wet well
Shaft material (EN standard) 1.4021, 1.4571
Suction characteristics Non-priming
Type of casing Volute casing
Type of impeller Free flow impeller
Type of connection Thread
UNSPSC classification 4015150300
Casing material (EN standard) JL1040, 1.4401, 1.4301
eClass assignment 36410101, 36410000, 36410100, 00000000
Free passage 35.0 (mm)
Installation position Vertical
Shaft seal type Shaft seal ring, Mechanical seal
Main applications Waste water / sewage, Building services, Water
Casing material Chrome nickel steel, Stainless steel, Cast iron
Maximum drive rating 2.2 (kW)
Type of installation Stationary, Transportable
Maximum speed of rotation 2800.0 (1/min)