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4 inch Dewatering Pump

These pumps are appropriate for dewatering, sewage over pumping, drainage pumping, irrigation, mining, chiller plants, and flood control. The suction and discharge dimensions are 100 x 100 mm, featuring a closed type impeller with a mechanical seal. (An open type impeller can also be provided upon request).

Key features

  • High Flow Capacity
  • 4-Inch (100 mm) Inlet & Outlet
  • Powerful Engine Options
  • Self-Priming Capability
  • Solids Handling Capability
  • Skid / Trailer Mounted Options
  • Wide Range of Applications
SKU: Racors - 100 Category:

The suction and discharge connections of 100 x 100 mm, our pumps guarantee a strong flow capacity. You can choose between a closed-type impeller with a mechanical seal for reliable performance or an open-type impeller for specific applications. The priming tank is made from durable materials like mild steel or stainless steel ensuring resilience and longevity.

We provide tailored solutions to meet your specific requirements, making sure each pump is perfectly suited for its intended use. By offering a wide range of customization options, we ensure our pumps meet the unique demands of each application, delivering effective and reliable solutions for diverse dewatering needs.

Pump Specification Material of Construction
Brand RACORS Volute Casing High Grade cast Iron, SS - 304
Pump Model Racors 100 Pump Shaft Stainless steel, SS – 304
Vacuum Capacity 70 cfm Impeller Stainless Steel, SS – 304, Bronze
Max. Water Flow 200 m3/hr Stuffing Box Stainless Steel, SS - 304
Suction x Discharge 4” x 4” (150 mm x 150 mm) Priming Tank Mild Steel
Max. Head 40 mtr. Fuel tank capcity 24 hours / 160 liters
Max. Suction lift 9 mtr.
Max. Solid handling 2” / 3"
Max Operating Temperature 80°C
Mounting Options Skid, Silent Canopy, Towable Trolley, Portable two / four wheel chassis
Engine Specification Weight & Dimensions
Engine KIRLOSKAR HA 394, 3 Cylinder, Air cooled Diesel Engine Weight (kg) 950
Capacity 38 HP Dimension (cm) 222 x 110 x 135
Speed 1800 RPM 20/40 feet container 6/12
Warranty: Against Manufacturing Defect For 18 Months
Special Features : Anti corrosive epoxy zinc phosphate base coating and epoxy scratch resistant Anti corrosive ceramic top coat painting for the pump
24-Hour Non-Stop Continuous Functioning
24/7 After Sales Support: Available In Middle East & North African Countries

Core Features

Vacuum- Assisted Self- Priming

Vacuum-assisted self-priming removes air from the suction line, enabling automatic start and continuous operation without manual priming.

Air-Cooled Diesel Engine

An air-cooled diesel engine uses airflow to dissipate heat, eliminating the need for a radiator or liquid cooling system.

Heavy-Duty Skid or Trailer Mounting

Built for durability and easy transport, ensuring stable operation in tough environments.

High Flow Capacity

Delivers efficient, high-volume water removal for demanding dewatering applications.

Low Maintenance Design

Engineered for reliability with minimal upkeep and reduced downtime.

Custom Pump Manufacturing

Tailored solutions designed to meet specific project requirements and operating conditions.

Application

Dewatering pumps play a vital role in removing unwanted water from various environments, ensuring safe, dry, and efficient operations across industries.

Contact Us

Reach out for any inquiries, support, or to discuss how we can meet your industrial needs. 

Product Range 2" to 24"

We’re Always Here to Connect — Looking Forward to Your Response!

Ready Stock Available

24/7 After Sales Support

Frequently Asked Questions

It usually delivers between 100 to 250 m³/hr, depending on the model and engine power.

Yes, most 4-inch pumps are semi-trash or trash pumps, capable of handling muddy water, sand, and small solids (up to 25–40 mm).

  • Commonly powered by diesel engines, either air-cooled or water-cooled, making them suitable for heavy-duty and outdoor use.

Yes, most models are self-priming, meaning they can start quickly without manual filling of water every time.

Typically, the suction lift is up to 7–8 meters, depending on site conditions.

The pump can deliver water up to 20–40 meters head, based on the pump design.

Yes, 4-inch dewatering pumps are designed for continuous operation in demanding environments.

Weight 950 kg
Dimensions 222 × 110 × 135 cm
4 inch Dewatering Pump4 inch Dewatering Pump
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