Cutter Suction Dredger 450 / 18 Inch
Dredge Yard cutter suction dredger CSD450 is designed for the heaviest duty and multi-purpose use
Cutter Suction Dredger 450 Specifications:
Dredger Main Particulars
| Type of dredger | Cutter Suction Dredger | |
| Pontoons | 3 dismountable pontoons | |
| Transport | Dismountable on flat tracks | |
| Suction pipe diameter | 500 mm | 20 inches |
| Discharge pipe diameter | 450 mm | 18 inches |
| Suitable for dredging material | Clay, medium sand, and coarse sand | |
| Dredging depth at 45 degrees | 12.0 m | 39.4 ft |
| Production | 900 m³/hr | 1,177 yd³/hr |
Dredge Power Unit
| Total Installed Power | 1,060 kW | 1,420 hp |
| Main Engine power | 810 kW | 1,085 hp |
| Main Engine speed | 1,800 rpm | |
| Auxiliary Engine power | 232 kW | 311 hp |
| Auxiliary Engine speed | 1,800 rpm | |
| Cooling system | Boxcooler | |
| Generator | 22 kVA |
Dredger Main Dimensions
| Length overall including ladder | 30.9 m | 101.4 ft |
| Number of pontoons | 3 dismountable | |
| Length over pontoons | 19.0 m | 62.3 ft |
| Width overall during operation | 6.7 m | 22.0 ft |
| Width overall during transport | 3.0 m | 9.8 ft |
| Depth, main pontoon | 2.45 m | 8.0 ft |
| Depth, side pontoon | 1.8 m | 5.9 ft |
| Design draught | 1.2 m | 3.9 ft |
Dredge Pump
| Type | DY450-400 | |
| Configuration | Single-stage centrifugal pump | |
| Position | Inboard, mid-pontoon | |
| Suction diameter | 450 mm | 18 inches |
| Discharge diameter | 400 mm | 16 inches |
| Spherical passage | 200 mm | 8 inches |
| Impeller number of vanes | 3 | |
| Drive power | 810 kW | 1,085 hp |
| Drive | Direct drive through a single-stage gearbox | |
| Pump speed | 400 – 600 rpm | |
| Wear material | Wear-resistant cast iron | |
| Gearbox | Single-stage, vertical offset | |
| Shaft seal | Mechanical seal |
Dredge Cutter Head
| Type | DY1500-C Multi-purposed | |
| Configuration | Crown-type interchangeable teeth | |
| Cutter diameter | 1.5 m | 4.9 ft |
| Cutter motor power | 110 kW | 147 hp |
| Cutter motor speed | 0 – 35 rpm | |
| Cutting system | Replaceable (narrow, pick-point, chisel type) |
Dredge Side Pull Winch
| Type of winch | Drum winch | |
| Movement | Swing 35 degrees to both sides | |
| Number of winches | 2 units | |
| Wire pull | 70 kN | 15,736 lbs |
| Hauling speed | 0 – 20 m/min | 0 – 66 ft/min |
| Drive | Hydraulic motor | |
| Wire diameter | 18 mm | 0.7 inches |
| Swing range at min depth | 34.7 m | 113.8 ft |
| Swing range at max depth | 29.4 m | 96.4 ft |
Ladder Hoisting Winch
| Type of winch | Drum winch | |
| Number of winches | 1 unit | |
| Wire pull | 70 kN | 15,736 lbs |
| Hauling speed | 0 – 20 m/min | 0 – 66 ft/min |
| Drive | Hydraulic motor | |
| Wire diameter | 18 mm | 0.7 inches |
| Anchor weight | 500 kg | 1,100 lbs |
Dredge Spuds System
| Total spud length | 17.0 m | 55.8 ft |
| Outer spud diameter | 508 mm | 20 inches |
| Total spud weight | 3,250 kg | 7,166 lbs |
| Hydraulic cylinder force | 150 kN | 33,720 lbs |
| Cylinder stroke | 1.5 m | 4.9 ft |
Fuel System
| Fuel type | Diesel fuel | |
| Tank capacity | 16,000 liters | 4,226 gal |
Operating Cabin
| Total area | 4.4 m² | 47.4 sq ft |
| Cooling | Ventilation fan (A/C optional) | |
| Lights | 2x exterior lights and 2x flood lights | |
| Additional | Screen wipers | |
| Instrumentations |
|
FEATURES
- Closed-type cutter blade to prevent the cut material from falling
- Fully electrically driven and uses high torque ring motors
- Threaded connection to the main body for easy assembly
- Center axis suction system for more fluent flow
- Adaptable to any standard teeth in the market
- Can be installed in any existing dredger
- Equipped with composite bearing (completely water-flushed)
- High moment of inertia
ADVANTAGE
- Reduction of Spillage
- More Production
- Low Turbidity
- Accurate Cut
- High Torque
- Higher Efficiency
- Easy Installation and Maintenance
- High Moment of Inertia
- Improves Dredge Pump Performance
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