Electrical Submerged Dredging Pumps

Hydraulic Submersible Dredging Pumps

Excavators

Cutter Heads

Add-ons and Accessories: Jet Rings, Cutter Knives, Anti-Acid, Automatic Greasing System, High Depth System

Cleaning of canals waterways and rivers

Dredging ports, harbors and marinas

Excavating and cutting

Sludge removal and cleaning up industrial, mining ponds and dam reservoirs

Filling up geotextile tubes

Sediment removal

Coastal nourishment

Pumps – Main Characteristics (General):

• State of the art: design, metallurgy, materials, manufacturing quality
• Designed for heavy-duty applications
• All pumps are available in 50 Hz and 60 Hz
• Parts subject to wear & tear are produced using HIGH CHROME for longer life
• Sensors for extra protection – temperature and humidity sensors are available to handle complex applications
• Freon detector
• Operator friendly service bolts: flushing of seals, oil inspection,  double grease point
• Thrust bearings reduce vibrations and support movement
• Solid transportation from 20 mm up to 120 mm in largest pump models
• Agitator for lifting sedimented solid material, capable of pumping up to 70% per weight density, high abrasion resistance, low rotation speed to reduce wear & tear, reversible for longer service life

 

Electrical Pumps – Specific Main Characteristics:

• Power: from 3.7 kW (5 hp) to 240 kW (322 hp)
• Flow rate: up to 3500 m³/h
• Drain diameter: up to 450 mm (18 inches)
• Several lines, including heavy duty lifting mixtures up to 1.7 kg/m3, and for complex environmental conditions
• High Head lines designed to transport any type of mixture
• Excellent for heavy water and abrasive solids mixtures
• Agitator pressure highest available on the market

 

Hydraulic Pumps – Specific Main Characteristics:

• Power: from 13 kW (17 hp) to 475 kW (630 HP)
• Flow rate: up to 4500 m³/h
• Drain diameter: up to 450 mm (18 inches)

 

Ecxcavators – Main Characteristics:

• Hydraulic and electric excavators
• Submersible excavators can be installed on the pump to create an autonomous excavation system for compacted soil, where an earth-moving machine would be required
• Considerable increase in the average solid production of the dredging system
• High efficiency and durable motor
• Suitable to operate up to 250m by means od steel cable suspension
• Cutting head designed to reduce the cost of wear & tear parts due the interchangeable hard teeth

 

Cutter Head Main Characteristics: 

• Custom design system
• Compatible with Dragflow pumps to increase efficiency especially of hard and compact material
• Independent hydraulic motor, optional teeth systems for hard or soft and compact material
• Arm connection frames of the earth-moving machines supplied by Dragflow, to be used as a standard accessory
• Optionally supplied with Agitator to prevents any clogging at pump suction

 

Jet Ring – Main Characteristics:

• High pressure water jets for compact, extremely dry or clay materials
• Combined with electric or hydraulic pumps, can work in combination or as an alternative to excavators
• Ring frame mounted on the pump filter
• High-pressure centrifugal pump (electric/hydraulic)
• Suction pipe with filter and non-return valve

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