2-4 in Submersible Pump
2-4 in submersible pumps are mid-range dewatering units designed to keep trenches and small excavations dry unattended on site power. Positioned between smaller utility pumps and high-volume excavation models, this class moves 80–385 gallons per minute through 2–3 inch discharge ports with heads to 44 feet. The industry sizes submersible pumps by discharge diameter, and this band handles continuous groundwater infiltration and moderate inflow without operator supervision.

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 | 2–3 in (50.8–76.2 mm) | Determines hose size and maximum solids passage; most units in this class use 2 or 3 inch connections. |
| Flow rate | 80–385 gpm | Pumping capacity at rated head; models span low-volume continuous dewatering to moderate excavation inflow. |
| Max head | 22–44 ft (6.7–13.4 m) | Maximum vertical lift plus friction losses; determines discharge distance and elevation change the pump can overcome. |
Cómo elegir
This size class suits trenches, foundation pits, and small excavations where groundwater infiltration or storm runoff requires unattended pumping on continuous site power. When flow demand stays below 80 gpm or the application involves light utility dewatering, Up to 2 in Submersible Pump models offer simpler handling and lower power draw. For large excavations, high-volume inflow, or discharge distances beyond 44 feet of head, 4-6 in Submersible Pump units provide the necessary capacity and pressure.
Lo que maneja este tamaño
- Keeping a 150-foot utility trench dry during pipe installation
- Continuous dewatering of a shallow building foundation excavation
- Removing groundwater infiltration from a storm drain tie-in pit
- Pumping water from a mid-depth sewer lateral dig
- Handling moderate inflow in a roadway cut for underground conduit
- Draining accumulated water from a concrete pour preparation area
Seguridad y operación
- Electrical disconnection and lockout required before handling submerged pumps; wet conditions demand strict GFCI discipline
- Pump cords and discharge hoses crossing travel paths require securing or covering to prevent trip hazards
- Automatic float switches or external controls prevent dry-running damage when water levels fluctuate
- Operators verify discharge routing avoids undermining adjacent excavation walls or creating slippery conditions
Transporte y logística
- Units typically weigh 40–150 lbs and move by hand carry or two-person lift to excavation edge
- Discharge hose, power cable, and pump fit in a pickup bed or utility trailer for single-site transport
Alimentación
- Most models require 230V single-phase or 208/230V three-phase site power via portable or temporary service
- Power cables typically 25–100 feet long, requiring GFCI protection and appropriate cord management on active sites
Preguntas frecuentes
What solids can 2–3 inch pumps pass?
How deep can these pumps be submerged?
When is three-phase power required instead of single-phase?
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 |
|---|---|---|---|
| Hydromatic SKV50 | 180 gpm | 22 ft (6.7 m) | - |
| Hydromatic SP40 | 130 gpm | 26 ft (7.9 m) | - |
| Hydromatic S3SD/SB3SD | 385 gpm | 44 ft (13.4 m) | - |
| Hydromatic SKV40 | 80 gpm | 22 ft (6.7 m) | - |
Equipos relacionados
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Fuentes
Cada especificación se verifica con los datos publicados por el fabricante, con la fuente enlazada como referencia.
2-4 in Submersible Pump
27 modelos · Cada especificación citada a la fuente