High Performance Sand Dredging Pump Set Sale For River Dredging Filling Geo Tubes

R2,300,000 Excl VAT

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  • Centrifugal Pumps
  • Booster Pumps
  • 85m
  • 5m/s
Pay a deposit of 60% per item
SKU: 1600883525083 Category:

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Wear Resistant Sand Extraction Dredging Pump Unit For Dredge Booster Relay Use

Product description

WN series Dredge Water Pump is a kind of heavy duty slurry pump specially designed and manufactured for slurry or sand dredging operations in rivers, lakes or seas. OCEAN pump has a complete line of Dredge Water Pumps with inlet diameters ranging from 400mm up to 1400mm. Dredge Water Pump can create a vacuum that sucks the slurry from the bed up into a suction pipe and pushes it to the discharge pipeline. This series of Dredge Water Pump is the single-stage single-suction horizontal centrifugal slurry pump which is mainly composed of a pump head, a reduction gear box, a highly elastic coupling, and a marine transmission monitoring system. The dredging pump has the characteristics of optimized overall structure, excellent suction performance, high efficiency, easy to operate, longer service life, etc. The WN series Dredge Water Pump is the best choice for dredgers.


High Performance Sand Dredging Pump Set Sale For River Dredging Filling Geo Tubes


Dredge Pump Features
  • Capable of handling sand and slurry with maximum size and percentage of solids
  • Robust structure
  • Excellent suction performance
  • High efficiency, excellent performance
  • High wear resistant material
  • Most efficient volute and impeller designs
  • Heavy duty shaft and bearing design
  • Custom design and fabrication available
  • Easy to assemble and disassemble
  • Long wear life
  • Most efficient volute and impeller designs
  • Speed and power to suit your service conditions
  • Maximum size and percentage of solids
  • Minimal repairs and downtime
  • Reduced operating costs
  • Easy to assemble and disassemble
  • Equipped with Suction Clean-outfor easy accessto
  • inspect pump
  • Choice of several abrasion resistant alloys for wear part
  • Wetted-end consist of three or four components
  • Heavy-duty shaft and bearing design
  • Choice of several abrasion resistant alloys for wear parts.
  • Easily adapted for submersible applications
  • Optional rotation – Right or left hand rotation.
  • Optional discharge positions.
  • Heavy-duty shaft and bearing design
  • Suction adapter with clean out.
  • Three and four vane impellers available.
  • Amor-lok seal on the side liners for metal to metal fit.
  • Knock out ring for easy impeller removal.
  • Over size bearings and shaft for longer life.


Our very heavy duty Dredge Water Pumps /submersible slurry pumps /sludge pumps /sand pumps are capable of handling sand and slurries with up to 5-inch rocks.


The slurry can be piped to its destination eliminating haul trucks, conveyor belts, and other mechanical earth-moving equipment. Using Dragflow pumps saves labor and maintenance costs.


All you need is water and power. Pumps are available with electric or hydraulic motors.


With its incorporated agitator, the pump will dig into the material and is capable of handling up to 70% solids by weight.


Optional water jets and cutter heads (shown in picture) allow these pumps to disaggregate and pick up sediments in a slurry of high density and high specific gravity.



High Performance Sand Dredging Pump Set Sale For River Dredging Filling Geo Tubes


Structural features

 Good overall marine performance

1) Simple structure

200WN ~ 500WN pump adopts single pump casing, single-stage single-suction cantilever horizontal structure. Two typical structures can be provided according to the connection method of the gear box, that is, the built-in bracket type and the pump gear box are integrated, and the bracket is provided. The lubrication method is grease lubrication or oil lubrication.

600WN ~ 1200WN, TK1000, TK1200 cabin pumps adopt double pump casing, single-stage single-suction cantilever horizontal structure, built-in bracket, lubrication method is thin oil lubrication. The submersible pump adopts a single pump casing structure to reduce the weight of the pump and facilitate lifting movement.

2) The front disassembly type is equipped with special tools for easy disassembly and maintenance.

 Good dredging performance

1) The cavitation performance is good, which ensures that the pump has a strong suction capacity, and at the same time, it can achieve greater digging depth and higher respirable concentration.

2) The width of the impeller flow channel is large, and the flow capacity is strong

3) The performance curve drops sharply, making the mud pump more adaptable to changes in displacement.

4) A variety of pump performances can be achieved by changing the speed of the pump or changing the diameter of the impeller

 Good abrasion resistance and long service life of over-current parts

1) Overflow parts such as impeller, sheath and liner are made of strong anti-wear alloy cast iron with a hardness of not less than 50HRC. While having strong impact resistance, they also have high abrasion resistance.

2) In the product design process, full consideration is given to the service life matching between parts. The replacement cycle of wear parts is basically the same, reducing maintenance and replacement costs.

 Small water loss, high efficiency, low power consumption

Due to the use of advanced hydraulic models, the mud pump has a high level of efficiency, which is 2-3 percentage points higher than the imported mud pump on average, making it less fuel-efficient when it reaches the same output.

 Reliable shaft seal, no leakage

200WN-500WN dredging pump shaft seal adopts mechanical seal or mechanical seal plus packing seal compound seal. 600WN-1000WN dredging pump shaft seal adopts spiral sleeve L-shaped rubber seal. The sealing device consists of 3 L-shaped seal rings and a threaded shaft sleeve. In order to improve the life of the shaft seal, a sand water separator is equipped to ensure the quality of the shaft seal water.


Performance curve

High Performance Sand Dredging Pump Set Sale For River Dredging Filling Geo Tubes

Product Parameters


Model Capacity Head Speed Effi Inner diameter Outer diameter  NPSH Max. passing particle size
m3/h m r/min % mm mm IL 5-blade 3-blade
250WN 1100-1300 40-65 500-650 70-74 350 250 <4.5 86 144
300WN 1500-2200 30-65 400-550 74-78 450 300 <4 144 241
450WN 3000-4000 35-67 350-500 76-80 600 450 <4.5 125 254
500WN 4000-5500 40-65 350-450 78-80 650 500 <4.8 150 250
600WN 5000-9000 55-80 320-400 81-85 650  600 <6 160 220
700WN 8000-12000 60-85 280-380 83-85 750 700 <6 180 280
800WN 10000-15000 50-70 260-360 79-80 850 800 <6 200 300
900WN 12000-19000 50-75 280-330 73-85 950 900 <6 210 320
1000WN 16000-25000 23-76 180-290 85-87 1100 1000 <6 230 350


Additional information

Weight N/A

Centrifugal Pumps, Booster Pumps

Maximum Head


Maximum Flow Rate


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High Performance Sand Dredging Pump Set Sale For River Dredging Filling Geo Tubes

R2,300,000 Excl VAT

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