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Crisafulli -Â Model FLUMP -Floating Lagoon Pumper
The FLUMP (floating lagoon pumper) solves industrial and municipal environmental problems in a low-cost, efficient manner. The FLUMP removes settled wastes and other by-products from settling ponds or lagoons, built to prevent wastes from leaching into the water-table.
Built tough to ensure dependable service in harsh environments, Crisafulli FLUMPs are simple to operate, and easy to transport. Crisafulli’s specialists have solved liquid waste problems for more than thirty years. Call us for standard applications -- or when no standard product will solve your problem. We will work with you to produce a Crisafulli Sludge Removal System that meets the specific requirements of your application.
Use the FLUMP to clean your pond or lagoon of sludge, sediment, biosolids or residuals.
- The FLUMP enables you to dramatically cut your sludge management costs
- Owning a FLUMP puts you in control of your dredging schedule
- The dredge operator isn’t exposed to potentially hazardous dredged materials
- Engineered for performance and quiet operation
- High solids dredging performance with minimum turbidity
- Easily transported to multiple sites
- Our traverse system allows a single operator to change the dredges pond position in under twenty minutes.
- FLUMPs now come with a high speed reverse, reducing the downtime between passes
- Simple to maintain
- Reliable and manufactured to last
- Superior after-sale support from Crisafulli worldwide
3" Standard Flump
- Maximum Dredging Depth: 12`
- Cutterhead width: 54"
- Weight: 5500 lbs
- Length: 21`
- Dredge Width: 8.5`
- Dredge Height: 6`
- Draft: 12"
- Pontoon Material: HDPE
- Horse Power: 25HP
- GPM: 300
- Cubic Yards Per Hour: 20
- Remote Control: Yes
- Cabled Traverse: Yes
- Self Powered: No
4" 50HP Flump
- Maximum Dredging Depth: 12`
- Cutterhead width: 102"
- Weight: 6000 lbs
- Length: 21`
- Dredge Width: 8.5`
- Dredge Height: 6`
- Draft: 12"
- Pontoon Material: HDPE
- Horse Power: 50HP
- GPM: 800
- Cubic Yards Per Hour: 40
- Remote Control: Yes
- Cabled Traverse: Yes
- Self Powered: No
4" 75HP Flump
- Maximum Dredging Depth: 12`
- Cutterhead width: 102"
- Weight: 6300 lbs
- Length: 21`
- Dredge Width: 8.5`
- Dredge Height: 6`
- Draft: 12"
- Pontoon Material: HDPE
- Horse Power: 75HP
- GPM: 1000
- Cubic Yards Per Hour: 45
- Remote Control: Yes
- Cabled Traverse: Yes
- Self Powered: No
- Works in the rain
- Dredge depth readout on the transmitter (Optional)
- Frequency hopping
Daylight visible dredge status lights can be seen from a distance; in full sunlight.
- STATUS LIGHTS INDICATE
- When electrical power has energized the dredge.
- When the operator has control of the dredge.
- When the dredge motors are on.
- When there is a fault.
- When the cutterhead is jammed.
The unmanned FLUMP dredge, or the Rotomite, when operated in a cabled traverse system, are positioned and moved, either manually or automatically, along a tensioned galvanized steel cable extending across the lagoon or pond. The cable is attached at either end of the lagoon or pond to a galvanized steel cable affixed to sturdy steel posts set firmly in the ground (generally in concrete foundations). This form of traverse system is built with either two or four posts. Lateral positioning of the FLUMP is either manual, or electric by shore based electric winches.
Dramatically reduces down time. Crisafulli’s unique pivoting traverse allows the entire FLUMP to pivot 180 degrees within one minute at the end of each forward dredging pass. Without the Crisafulli Pivoting Traverse, operators spend much time repositioning the dredge between dredging passes when a dredge is run on a cabling or rail traverse system. While some dredge makers claim full pumping rates when their dredges move backwards, few if any achieve 100% efficient dredge operation in reverse.
Pivot forward, and work faster. View the system in action.

