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Dredge Catfish Mini SD

Make:                         Catfish
Year:                          2016
Operational hours:   160 hours 

Catfish Mini SD Technical Specification

Main power source:           Caterpillar C2.2 turbocharged after cooled diesel engine, max. 47.9 kW, 2,800 rpm

Electric system:                 12 V, 45 Ah battery

Fuel system:                        80 L diesel tank, approx. fuel consumption 15 L/hr

Hydraulic system:              Custom hydraulic oil reservoir (100 L capacity) with high pressure hose and gear pump coupled to diesel engine

Speed:                                   30 m/min

Construction:                      Structural mild steel frame – hot dipped galvanised, polymer float cells

Dimensions:                        7,500 mm (L) x 2,400 mm (W) x 2,600 mm (H)

When the slurry pump is fully lowered, the dredger is capable of dredging up to 3.5 metres deep.

The hydraulic slurry pump’s technical specification is presented in Table2.

 

Hydraulic Slurry Pump Technical Specification (Table 2)

Capacity Max.                     4,000 L/min (clear water), max. capacity will be affected by type of sediment, length of discharge pipe

Impeller type:                     Closed channel impeller, capable of handling up to 75 mm solids

Dredging width                   1.5 metres

Dredging depth                  Up to 3.5 metres (pump fully lowered)

Pumping distance             Up to 300 metres on 6” hose/pipe

For the Catfish Mini SD to perform as intended, any vegetation (floating and/or submerge) and large sized debris must be cleared from designated dredging area. Presence of vegetation and large- sized debris will block the pump intake.

Typical Catfish Mini SD operation parameters

Dredging depth Max.        3.5 metres

Pumping distance             200 metres

Pumping capacity              (clear water, at pumping distance) 240 m 3/hr (~ 4,000 L/min)

Type of dredged material: Mainly sand and silt with small amount of gravels

Specific gravity of dredged material:    2.65 (or less)

%-weight of solid in discharge line:     Approx. 20%

Specific gravity of pumped slurry:        Approx. 1.3 – 1.5

Effective dredging time per 8-hour work day:           6 hours

Based on the parameters above, the following dredging performance is expected.

Slurry specific gravity:     = 1.3

Pumping capacity (slurry):         184.6 m3/hr (~3,076.9 L/min)

Solid flow rate:                   36.92 m3/hr (~ 615.3 L/min)

Total solid dredged per work day: 221.52 m3 (221,520 L)

Slurry specific gravity:                 = 1.5

Pumping capacity (slurry):         160 m3/hr (~2,666.7 L/min)

Solid flow rate:                    32 m3/hr (~ 533.33 L/min)

Total solid dredged per work day:                    192 m3 (192,000 L)

Note that the higher the solid percentage in the discharge line, the shorter the pumping distance is.

Outboard motor

The Catfish Mini SD is equipped with two Yamaha FT9.9 high-thrust petrol outboard motors with large diameter propeller. These outboard motors enable the dredger to maneuver independently on dredging area. Each outboard motor is connected to 12 Litres external polymer fuel cell. The
outboards’ steering mechanism is controlled via joystick in the operator’s cabin through hydraulic
steering helm and cylinders. Throttle and trim control are also installed in the operator’s cabin.
Refer to the OEM owner’s manual (supplied) for complete operation and maintenance instructions
for the outboard motors.

Trailer

Catfish dredger is transported via its own galvanised trailer, with electric brakes, powered winch and connected via a 70mm 4500kg rated towball.

Photos attached are when unit was delivered new, slight weathering to unit as per age however unit represents excellent buying and would suit a new purchaser.

Too many features to mention.  Complete Technical specification operators manual available listing all auxcilliary equipment fitted.

Only item not supplied is the 6" delivery hose.

(NET-catfishdredge)

SKU NET-catfishdredge
Brand Catfish Mini Dredgers

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