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Home > Delivery > Submersible Dredge Pumps
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Submersible Dredge Pump

The Submersible Dredge Pump is a high efficient and modular dredge pump unit. This pump range has several dredge tools and connectors to adapt every situation and environment.
             
Dutch Dredgers Submersible Dredge Pump   Dutch Dredgers Submersible Dredge Pump Compilation
             
Pump unit:
• Capacity range from 250 till 4500 m³/hr
• High efficiency because of:
 - adjustable impeller offset to the front plate
 - double curved impeller blades
 - compensation blades outside the impeller and
 - helix delivery pipe output
• Special wear tide parts 62 HRC (exchangeable)
• Hydraulically or electrically driven
  Dredge tools possible:
• Water jet in sand, gravel and slurry
• Cutter head in sand, gravel, clay and chalk
• Flat head for loose material like sand, gravel, etc.
• Auger head for sand gravel and slurry
  Operational areas:
• Sand & Gravel mining
• Cleaning harbors, rivers, pounds
• Empty hopper barges
             
We can provide you:
• Dredge advice and support
• Training
• Aftersales
• Spare parts
• Maintenance
• Automatic dredge drive
• De-watering equipment
• Other dredge equipment & components
  Connectable with an:
• Excavator connector or quick connector
• Steel cable on a winch
• Pump ladder
  Other benefits:
• Easy maintenance
• Low startup costs
• Easy to operate
• Flexible
• Compact
• Large spherical passage
• Quick to change the functionality
             
Dredge pump range:
ESDP 150 
ESDP 200 
ESDP 250 
ESDP 300 
ESDP 350 
ESDP 400 
ESDP 450 
Capacity max.* [m³/hr] 450 850 1250 1900 2300 3200 4500
Pumpshaft at speed* [rpm] 1350 950 850 750 730 630 480
Max. power at shaft* [kW] 70 140 185 320 330 480 680
Suction diameter [mm] 150 200 250 305 305 400 450
Pressure diameter [mm] 125 200 200 300 250 350 400
Spherical pasage [mm] 100 110 130 150 190 220 280
Blades [pcs] 3 3 3 3 5 3 3
Impeller size [mm] 400 600 660 790 790 920 1170
Weight (Pump unit) [kg] 610 1280 2100 3200 3650 5800 8800
Excavator weight [ton] ±14 ±22 ±34 ±70 ±70 ±125 ±200
* at 4½ bar                
                 
Water Jet                
Pressure [bar] 8 8 8 8 8 8 8
Water flow [l/min] 125 180 300 500 500 800 1000
Height [mm] 850 1000 1160 1360 1550 1780 1980
               
Cutter Drive                
Max. power at shaft [kW] 15 19 31 42 42 54 65
Oil flow [l/min] 35 45 75 100 100 130 160
Oil pressure P at motor* [bar] 205 250 250 250 250 250 250
Height [mm] 1050 1200 1365 1590 1820 2000 2300
               
Flat Barge Head                
Pressure [bar] 4-6 4-6 4-6 4-6 4-6 4-6 4-6
Water flow [l/min] 65 90 150 250 250 400 500
Height [mm] 350 370 410 460 520 560 610
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