6-8 in Centrifugal Dewatering Pump
The 6-8 in Centrifugal Dewatering Pump size class is designed for large clean-water transfer applications including reservoir drawdown, hydrostatic testing, and pond transfer. These pumps feature 6-inch discharge ports and flow rates ranging from 370 to 4,500 gpm, positioning them between the 4-6 in models suited for mid-volume dewatering and the 8-12 in class used for industrial-scale water movement. Major manufacturers in this segment include Godwin and Cornell.
Cat classes
Elija una clase de tamaño — la capacidad y el alcance varían en la gama.
Especificaciones clave
| Especificación | Rango típico | Qué significa |
|---|---|---|
| Discharge port diameter | 6 in (15.2 cm) | Nominal size determining piping compatibility and flow capacity for this class. |
| Flow rate | 370–4,500 gpm | Volume transfer range spanning smaller reservoir work to full-scale hydrostatic testing. |
| Maximum head | 77–237 ft (23.5–72.2 m) | Total dynamic head capacity, with higher-head models suited for elevated discharge or long piping runs. |
Cómo elegir
The 6-8 in class is appropriate when clean-water transfer demands exceed 400 gpm or when vertical lift or distance requires sustained pressure beyond smaller centrifugal pumps. Typical applications include draining large tanks, transferring water between reservoirs, or filling/draining for hydrostatic pipe testing. For moderate-volume excavation dewatering or sites with flow requirements under 1,000 gpm and simpler access, the 4-6 in Centrifugal Dewatering Pump offers easier handling and lower power demands. When industrial process water, municipal basin drawdown, or flow rates consistently above 3,000 gpm are required, the 8-12 in Centrifugal Dewatering Pump delivers the necessary capacity.
Lo que maneja este tamaño
- Drawdown of municipal water storage reservoirs for inspection or maintenance
- Hydrostatic testing of large-diameter water or sewer mains
- Transfer of water between holding ponds at treatment facilities
- Dewatering flooded retention basins after storm events
- Filling or draining cooling towers during industrial shutdowns
- Emergency water transfer from compromised storage tanks
Seguridad y operación
- Suction and discharge piping must be secured against movement under high flow and pressure conditions
- Pump priming and air-release procedures are critical to prevent cavitation and mechanical damage
- Engine exhaust and surface temperatures require clearance from combustible materials and site traffic
- Automatic shutdown controls protect against low oil pressure, high coolant temperature, and loss of prime
Transporte y logística
- Typically mounted on dedicated tandem-axle trailers requiring a 3/4-ton or larger tow vehicle
- Trailer-mounted units often include onboard fuel tanks and control panels for self-contained operation
- Delivery to site generally requires staging area with firm ground for trailer positioning and hose layout
Alimentación
- Diesel-engine-driven models are standard, with fuel consumption proportional to flow rate and head
- Some units available with electric motor drives for stationary installations with three-phase power
- Onboard fuel capacity typically supports 8–12 hours of continuous operation at rated flow
Preguntas frecuentes
What differentiates 6-8 in pumps from smaller centrifugal dewatering models?
Can this size handle solids or only clean water?
What determines whether a 6-inch or 8-inch hose is used?
Comparar modelos populares
Buscar por especificación →Normalizado a las mismas unidades. Un guion significa que el valor no fue publicado.
| Modelo | Caudal | Altura manométrica máx | Potencia del motor |
|---|---|---|---|
| Cornell 6H-CC | 2,750 gpm | 237 ft (72.2 m) | - |
| Cornell 6SP | 4,500 gpm | 235 ft (71.6 m) | - |
| Godwin CD180M | 2,100 gpm | 77 ft (23.5 m) | - |
| Cornell 6H-F | 3,350 gpm | - | - |
| Godwin CD150S | 2,290 gpm | - | - |
| Godwin NC150 | 370 gpm | - | - |
Equipos relacionados
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Fuentes
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6-8 in Centrifugal Dewatering Pump
6 modelos · Cada especificación citada a la fuente