KSB pump 301

Ama-Drainer 301

The KSB Ama Drainer is a Submersible Waste Water Pump. Used for automaitc drainage of sumps, pits, shafts, yards and cellars subject to a flooding risk, lowering the surface water level, this pump is our standard pump in all our sump systems.

Standard Product Features:

Broad range of submersible motor pumps

• Optimum adjustment to the actual requirements taking into account economic aspects
•  Design is matched to the fluid pumped (for waste water or aggressive water)

Cable with plug-type connector

• Easy and fast replacement

Solenoid float switch

• Wear-resistant and reliable
• No casing passage, therefore absolutely tight
• Variable level control settings and anti-overwinding device
• Easy adjustment to external control system by means of locking disc

Integrated swing check valve

• Prevents the discharge line from running empty

Vertical discharge nozzle

• Easy installation
• Low space requirement
• No need for additional components such as elbows

Integrated motor protection

• Prevents motor overloads

Triple shaft seal with sealing liquid lubrication

• Safely isolates the motor from water
• Lubricates the seal faces under dry-running conditions

Jacket cooling of motor

• Permits operation even when only partly submerged

High-quality plastic casing with stable handle

• Low weight
• Corrosion-resistant
• Shock-resistant
• Abrasion-resistant
• Low-noise operation

Optimised hydraulic systems and motors

• Large pump output at high efficiency Wirkungsgrad
• Economic operation

Application:

• Automatic drainage of sumps, pits, shafts, yards and cellars subject to a flooding risk
• Lowering the surface water level
• Drainage of underground passages
• Extraction of water from rivers and reservoirs
• Drainage

Fluid Handled:

• Ama-Drainer -- standard design for waste water
  • Slightly contaminated water, also containing solid particles with a particle size of up to 10 mm.
•  Ama-Drainer C -- variant for aggressive water
  • Transport of seawater or water containing salt
  • Transport of brackish water

Operating Data:

• Q up to 14 m3/h, 3.9 l/s
• H up to 12 m
• t up to 50 °C

Design / Variants

• Vertical, fully floodable submersible motor pumps in closecoupled design, IP 68, single-stage, with integrated swing check valve.
• Pump control via float switch.
• External control is possible with 10 m motor cable.
• Max. immersion depth 2 m.

Bearings

• Ama-Drainer 301 deep-groove ball bearings/plain bearings
• Ama-Drainer 303 deep-groove ball bearings

Shaft Seal

Drive

• Ama-Drainer 301/303/SE: jacket-cooled single-phase a.c. motor with integrated temperature switch, cable and shockproof plug.