Hidrostal / L20K

screw centrifugal underwater pump

S03019 / 0

Head (m)

Capacity (m³/hr)

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Operating conditions

Liquid water containing solid particles
Capacity see curve, max 4680 m³/hr
Head see curve, max 34 m

Technical data

Discharge connection 500 mm flange
Suction connection 500 mm flange
Weight 2870 kg
Solids handling Ø 230 mm
Number of impellers 1
Dimensions L x W 2470 x 2020 mm

Materials

Casing cast iron GG25 (standard)
Casted parts, motor unit cast iron GG20 (standard)
Impeller cast iron GG60 (standard)
Outer casting steel ST-37 (standard)
Pumpshaft stainless steel
Shaft seal mechanical seal in oil bath
Shaft seal liquidside silicon carbide - silicon carbide
Wear cone cast iron GG20 (standard)

Drive

Engine electric motor
Power nominal 90 kW
Speed 592 rpm
Rated current 222 A
Start direct
Protection class IP68
Insulation class F
Electric cable length 10 m
Engine cooling oil cooling jacket
Voltage/Phase/Hz 400v / 3-phase / 50 Hz

Remarks

  • max. submersion depth 30 m
  • separate control box (optional)
  • quick release coupling and discharge bend (optional)
  • pump casing available in stainless steel and Duplex
  • PTC thermistors in the motor (optional)
  • ATEX variant possible

Features

  • capable of pumping viscous liquids containing solids
  • capable of pumping polluted water with solid components
  • handles raw sewage water and very viscous materials easily
  • large ball size free passage

Main applications

  • multifunctional usage
  • tunnel and canal construction
  • broad application pump for contaminated liquids
  • pumping out sewage pits and cellars
  • pumping drainage water
  • pumping bentonite and sludge
  • polluted construction and industrial water
  • general contractor's activities
  • pumping out excavation pits and trenches

Related projects

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