Ama-Drainer® N –

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Ama-Drainer® N –

Product catalog summary

Applications:

Drainage of pits, shafts, yards, and cellars at risk of flooding
Extraction of water from rivers and reservoirs
Drainage of underground passages
Lowering surface water levels
General drainage tasks

Key Features:

Absolutely Tight: Equipped with a magnetic switch for adjustable level control and an anti-overwinding device, allowing easy adaptation to external control systems.
Easy to Replace: Features a cable with a plug-type connector for straightforward replacement.
No Drainage of Discharge Pipe: Integrated swing check valve prevents backflow.
Low Space Requirement: Vertical discharge nozzle suitable for narrow sump installations.
Protected Against Overload: Integrated motor protection ensures safety.
High Operating Reliability: Triple shaft seal lubricated by barrier fluid enhances motor reliability, even during dry running.
Long Service Life: Constructed with high-quality plastic casing that is lightweight, corrosion-proof, noise-absorbing, abrasion-proof, and impact-resistant.

Technical Data:

Flow rate: Up to 16.5 m³/h (4.6 l/s)
Head: Up to 12 m
Temperature: Up to 50 °C
Free passage: Up to 35 mm
Automation option: Available with LevelControl Basic 2

Performance and Efficiency:

Economic operation with optimized hydraulic systems and motors for high efficiency.
Protected against overheating with a frame-cooled enclosed motor, allowing operation even when not submerged.

Characteristic Curves:

The document includes characteristic curves for different models (Ama-Drainer N 301, N 302, N 358, N 303) showing the relationship between flow rate (Q) and head (H).

Catalog excerpts

Pumps ■ Valves ■ Service Applications: Drainage of pits, shafts, yards and cellars subject to a flooding risk ■ Extraction of water from rivers and reservoirs ■ Drainage of underground passages ■ Lowering the surface water level ■ Drainage More information: www.ksb.com/products Your contact:

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Ama-Drainer® N – Submersible Motor Pump 1 Absolutely tight and anti-overwinding device. Straightforward adaptation Magnetic switch with adjustable, variable level control to external control system with locking disc. Cable with plug-type connector 3 No drainage of the discharge pipe Integrated swing check valve Vertical discharge nozzle allows installation in narrow sumps, for example. 7 5 Protected against overload Integrated motor protection 6 High operating reliability Triple shaft seal lubricated by the barrier fluid makes for high motor reliability. Lubrication of the seal faces in the event...

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