Rotomite 6000CD Product Video

Underwater excavation has been a specialty of SRS Crisafulli for over twenty years. Our self-propelled Rotomite dredges represent a continuous commitment to value and versatility. The Rotomite 6000CD is designed for highly abrasive industrial applications. The “CD” stands for Cast Pump, Diesel Driven.
The heart of a dredge is its pump. On the CD, a KSB slurry pump supplies the life force. KSB’s GIW Minerals pumps are known around the world for their abrasive handling properties. With speeds up to 1200 rpm, clear water flow rates are 2000 gpm at 100 ft or 1000 gpm at 200 ft of total dynamic head. All internal piping is lined for abrasive duty. Slurry flow exits the dredge through a rear-facing flanged pipe, where a floating pipeline will connect and carry it to the shore or disposal site.
The pump is fed by SRS Crisafulli’s unique articulating cutterhead, which is powered through an eighty degree range of motion-forty degrees up or forty degrees down. Articulation allows the operator to find and maintain an optimum angle of attack anywhere in its 20ft dredging depth range. Depth and angle displays in the cab tell the operator what the cutterhead is doing when it’s down out of sight.
Dual five-inch ladder cylinders apply an estimated downward force of 8,000 pounds to break up compacted material. The digging auger turns with 11,000 inch-pounds of torque, which equates to 1,800 pounds-nearly one ton-of force at the cutter teeth.
The Rotomite 6000CD is built standard with two different propulsion systems installed, a 4000lb cable traverse winch and a 1000lb thruster. Power steering in the cab turns the thruster a full 90 degrees to the left or right. Full hydraulic control means speed and direction is adjusted simply with the push of a lever. Dual counter-rotating propellers produce the same power and responsiveness in forward or reverse. A hydraulic ram raises the thruster for operation in shallow waters. To inspect the propellers, move one pin in the mount linkage and the entire assembly is lifted up out of the water.
SRS Crisafulli fully understands the importance of keeping the dredge operator both comfortable and informed at all times. Controls and instrumentation are arranged around the adjustable seat to optimize space, access, and visibility. The heated and air conditioned cab is positioned at the front of the dredge for better visibility during operations and docking. A rear view monitor displays thruster angle and floating pipe position.
Access to the dredge is always safe and easy with an integral eight foot aluminum ramp. Ramp mounts around the perimeter allow it to hinge up and down but prevent sliding in any direction. An extra set of mounts at the rear of the dredge turns the ramp into a platform for accessing the thruster or discharge pipe connection.
The Rotomite 6000CD is a good example of SRS Crisafulli’s commitment to build machines that don’t just do a job, but do it well. Every feature is specifically chosen for one ultimate purpose - to maximize the removal and transport of abrasive slurries. When your next project requires a Rotomite 6000CD, visit crisafullipumps.com or call one of our skilled representatives toll free at 1-800-442-7867.

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