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FSM Portable Dewatering Pumps
Description
Model FSM submersible pump with features of compact size,light weight,and convenient use .
Durable trash pumps in two sizes—a 1HP & 3-inch discharge and a 1/2HP & 2-inch discharge.
Specification
-
- Water temperature:up to 40℃
- PH:6.5 to 8.5
- Power Supply:
single phase 220v±10%，50hz,60hz
Three phase 380v±10%，50hz,60hz
- Insulation class:F
- Protection class:IP68
- Cable length:8m
- Max water depth:10m
Features
- Semi-vortex urethane rubber impeller with agitator suspends solids and allows for pumping of sand and stringy material.
- Highly efficient, continuous duty air-filled, copper wound motor with class E insulation minimizes the cost of operation.
- Built in thermal protection prevents motor failure due to overloading, accidental run-dry and single phasing in three phase units.
- Double inside mechanical seals with silicon carbide faces running in an oil filled chamber provide for one the most durable seal designs available.
- Double shielded, permanently lubricated, high temperature C3 ball bearings rated for a B-10 life of 60,000 hours provide for extended operational life.
Applications
- Residential, commercial, industrial wastewater and site drainage.
- Decorative waterfalls and fountains.
- Raw water supply from lakes or rivers.
- Sediment removal from small sumps or basins.
Packing Declaration
- Submersible dewatering Pump is packed in Plywood box:
1.Professional export packing, suitable for long distance shipping.
2.Sturdy, strong and resistant to collide.
More Product Details
Model FSM submersible pump with features of compact size,light weight,and convenient use .
Durable trash pumps in two sizes—a 1HP & 3-inch discharge and a 1/2HP & 2-inch discharge.
Both designed to pump water containing sand, solids and debris with minimal wear and clogging.and reliability under hard environment.
Urethane semi vortex impeller for maximum durability and pump performance.
FSM Portable Dewatering Pumps Performance Curve
FSM Portable Dewatering Pumps Technical Data
| Model (50/60Hz) | Outlet | Motor power | Rated current (A) | Rated capacity | Rated head | Max capacity | Max Head | Impeller Passage | ||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| kW | HP | 1~ | 3~ | m³/h | m³/min | m³/h | m³/min | |||||
| FS(M)2.4(F) | 50 | 0.4 | 0.55 | 3 | 1.3 | 7 | 0.12 | 8 | 12.6 | 0.21 | 12 | 6 |
| FS(M)2.75(F) | 50 | 0.75 | 1 | 5 | 2 | 10 | 0.17 | 11 | 16/15 | 0.27/0.25 | 18/19 | 6 |
| FS(M)3.75(F) | 80 | 0.75 | 1 | 5 | 2 | 12 | 0.2 | 10 | 18 | 0.3 | 17/18 | 6 |
| • FS: Three phase; FSM: Single phase; FSM...F: Single phase with Float switch | ||||||||||||
FSM Portable Dewatering Pumps Structure:
| Item No. | Part Name | Material | Item No. | Part Name | Material | |
|---|---|---|---|---|---|---|
| 01 | Hose coupling | Cast iron | 27 | Stator | ||
| 02 | Handle | Rubber&steel | 28 | Rotor | Shaft:AISI420SS | |
| 05 | Upper cover | Aluminum die casting | 31a | Bearing | Ball bearing | |
| 06 | Up-Bearing house | Cast iron | 31b | Bearing | Ball bearing | |
| 10 | Seal house | Cast iron | 32 | Capacitor | ||
| 11 | Motor body | Aluminum die casting | 33 | Motor protector | ||
| 13 | Pump body | Cast iron | 34 | Mechanical seal | Ceramic-Sic/Carbon-Ceramic | |
| 14a | Impeller | Ductile iron | 37a | Gasket | NBR | |
| 14b | Agitator | Stainless steel | 37b | Gasket | NBR | |
| 21a | Sand guard | NBR | 37c | Gasket | NBR | |
| 21b | Oil riser | LDPE | 38 | Shaft sleeve | AISI420SS | |
| 22 | Seat assembly | PU | 47 | Cable | H07RN-F |
FSM Portable Dewatering Pumps Details Show
FAQ
Q1: What is an FSM portable dewatering pump, and what is it used for?
A: An FSM portable dewatering pump is a highly durable, compact, and lightweight submersible drainage pump designed for heavy-duty water clearance. It belongs to the class of centrifugal dewatering pumps and is widely used for:
- Construction site dewatering and excavation drainage.
- Residential, commercial, and industrial wastewater removal.
- Emergency flood relief and basement drainage.
- Transferring raw water from lakes, rivers, or small sumps.
Q2: Can the FSM pump handle mud, sand, and solids?
A: Yes. Unlike standard water pumps, the FSM series functions as a durable trash pump. It features a specialized semi-vortex urethane rubber impeller and a built-in shaft-mounted agitator. The agitator flushes the sediment and suspends solids, allowing the pump to smoothly handle water containing sand, silt, and stringy materials with minimal wear and clogging.
Q3: What sizes and specifications are available for FSM submersible pumps?
A: The FSM series is engineered for maximum portability and comes in two highly popular commercial sizes to match your hourly drainage requirements:
- 0.5 HP (0.4kW) with a 2-inch discharge: Ideal for small sumps, residential basements, and tight spaces.
- 1 HP (0.75kW) with a 3-inch discharge: Perfect for high-flow site drainage and demanding construction utility jobs.
- Power Supply: Available in single-phase 220V and three-phase 380V options (50Hz / 60Hz) to comply with international electrical standards.
Q4: What is the maximum submersion depth and liquid temperature for this drainage pump?
A: Max Water Depth: Up to 10 meters (approx. 33 feet), completely eliminating suction lift limitations common in surface pumps.
- Water Temperature: Suitable for fluids up to 40°C (104°F).
- pH Range: Efficiently handles liquids with a pH range of 6.5 to 8.5.
Q5: Does the FSM dewatering pump support dry-running?
A: Yes, the FSM pump is designed to withstand accidental dry-running. It features a built-in miniature thermal protector (circle thermal protector for higher power units) that automatically cuts off the motor circuit if excessive heat builds up due to overloading or dry-running. Additionally, the motor is air-filled and copper-wound with high-grade insulation, ensuring efficient cooling even when operating with the motor partially exposed to air.
Q6: What kind of mechanical seal does the FSM pump use to prevent motor failure?
A: Motor water incursion is the leading cause of submersible pump failure. FSM pumps utilize double inside mechanical seals with Silicon Carbide (SiC) faces, isolated in an oil-filled chamber. Silicon Carbide provides 5 times higher wear, heat, and corrosion resistance compared to traditional tungsten carbide, ensuring an exceptional mean time to repair (MTTR) and extended service life.
Q7: How do FSM pumps protect against cable water wicking?
A: Each pump comes equipped with a heavy-duty H07RN-F cable featuring an anti-wicking cable entry. This structure prevents water from entering the motor housing through capillary action, even if the power cable is accidentally damaged or the end is fully submerged.
Q8: How do I choose the right submersible dewatering pump for my project?
A: To select the optimum dewatering pumping system, you should calculate three primary factors:
- Water Volume (Flow Rate): Determine how much water needs to be moved per hour.
- Total Dynamic Head (TDH): Calculate the vertical distance and friction loss to the discharge point.
- Water Quality: If the fluid contains high concentrations of solids or abrasives, choose the FSM with a urethane semi-vortex impeller and agitator to prevent clogging.
