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Floating Dredger S 5,000 LK – S 8,000 LK
Floating Dredger S 5,000 LK – S 8,000 LK
Floating Dredger S 5,000 LK – S 8,000 LK
Floating Dredger S 5,000 LK – S 8,000 LK
Floating Dredger S 5,000 LK – S 8,000 LK
Floating Dredger S 5,000 LK – S 8,000 LK
Floating Dredger S 5,000 LK – S 8,000 LK
Floating Dredger S 5,000 LK – S 8,000 LK
Floating Dredger S 5,000 LK – S 8,000 LK
  1. Floating Dredger S 5,000 LK – S 8,000 LK
  2. Floating Dredger S 5,000 LK – S 8,000 LK
  3. Floating Dredger S 5,000 LK – S 8,000 LK
  4. Floating Dredger S 5,000 LK – S 8,000 LK
  5. Floating Dredger S 5,000 LK – S 8,000 LK
  6. Floating Dredger S 5,000 LK – S 8,000 LK
  7. Floating Dredger S 5,000 LK – S 8,000 LK
  8. Floating Dredger S 5,000 LK – S 8,000 LK
  9. Floating Dredger S 5,000 LK – S 8,000 LK

Floating Dredger S 5,000 LK – S 8,000 LK

– Trolley travelling gears
– Tip-up chute or scratch grate
– Coarse grate
– Oversize particle outlet
– Dewatering screen
– Rope or hydraulic grab
– Fines recovery
– Crusher

Performance from a depth of 10 m: 174- 266 m³/h
Capacity of grab: 5,0 – 8,0 m³
Hoisting speed: 100 m/min
Lowering speed: 140 m/min

Fiebig floating dredgers are produced according to the latest stand of automation, dewatering technology, and efficiency for true one-man operation with maximum performance and safety.

In the S 5,000 LK to S 8,000 LK series the frame with the winches is located on a trolley unit. The grab ropes are lead directly into the dredging duct. The grab can be executed as rope grab or hydraulic grab. On the dredger there is a stock silo with a hydraulically operated tip-up screen or horizontally operated scratch screen and a pendulum feeder, a dewatering screen and the base station of the outgoing floating conveyor. The operator’s cockpit is situated on a bi-level container, which houses the electrical switchgear and the medium voltage transformer. Optionally a fine sand recovery device can be installed.

The open grab is lowered to the bottom of the quarry pond. Right before it reaches the ground the lowering speed is reduced. The grab is bottomed out slowly. After closing the grab is pulled to the water surface at maximum speed. The hoisting speed is then reduced and the grab comes slowly into the upper end position. At the same time the trolley moves to the stock silo. As soon as the grab is in the upper position it can be opened immediately. After that the trolley moves to the dredging duct, and the next cycle can begin. With well dredgeable material these grab movements can be driven manually as well as automatically. The automatic cycle can be stopped any time and finished manually.

TypeGrab volumeGrab typePerformance fromPerformance fromPerformance from
10 m depth
20 m depth
50 m depth
S 2,5002,5 m³Rope grab150 m³/h128 m³/h90 m³/h
S 3,0003,0 m³Rope grab180 m³/h154 m³/h108 m³/h
S 3,5003,5 m³ Hydraulic grab176 m³/h154 m³/h113 m³/h
S 5,0005,0 m³Rope grab260 m³/h227 m³/h164 m³/h
S 6,0006,0 m³Rope grab309 m³/h270 m³/h196 m³/h
S 7,0007,0 m³Rope grab360 m³/h315 m³/h229 m³/h
S 8,0008,0 m³Rope grab373 m³/h330 m³/h245 m³/h
S 10,00010,0 m³Hydraulic grab349 m³/h318 m³/h251 m³/h
S 12,00012,0 m³Hydraulic grab419 m³/h382 m³/h302 m³/h
S 5,000 LK5,0 m³Hydraulic grab174 m³/h159 m³/h125 m³/h
S 8,000 LK8,0 m³Hydraulic grab266 m³/h244 m³/h194 m³/h

Grab performance at well dredgeable  material and 100% filling ration of the grab

Brand

FFA Fiebig

Tradition and innovation have always been FFA Fiebig's guidelines on the development of a comprehensive product portfolio covering the whole range of hoisting, conveying and processing sand and gravel. Our range of products covers everything from floating dredgers, suction dredgers, floating conveyors, overland conveyor plants, dewatering plants like dewatering belts and dewatering wheels and screening plants to complete wet and dry processing plants as well as plants for the loading and discharging of bulk solids on and from ships and trains. Due to various natural conditions and the multitude of end products the technology of hoisting, conveying and processing sand and gravel constantly asks for innovative thinking. The international market with its diverse customer requirements continuously asks for further developments of the respective processes. From decades of experience FFA Fiebig offers highest quality plants and devices for continuous operation and a very long durability even under most extreme conditions.

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