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4" dewatering pump

4 inch dewatering pump

These pumps are suitable for dewatering, over pumping sewage, drainage pumping, irrigation, mining, chiller plants & flood controlling. The suction and discharge is 100 x 100 mm with closed type impeller with mechanical seal. (Open type impeller also available upon request).

Model : Racors - 100 Youtube Link :

Pump Specification

4 inch dewatering pump data sheet Download pdf

The technical specifications for 4” dewatering pumps are given below

Pump Make



Racors - 100

Vacuum Capacity

70 cfm

Max. Water Flow

200 m3/hr

Suction x Discharge

4” x 4” (100 mm x 100 mm)

Max. Head

40 mtr.

Max. suction Lift

9 mtr.

Max solid handling


Engine Specification

The pumps are coupled with Kirloskar engines by default. Other engine makes like Deutz, Eicher etc. & electric motors are also available upon request.


KIRLOSKAR HA 294, 2 Cylinder, Air cooled Diesel Engine


32 HP


1500 RPM


Electric with starter Motor, Charging Alternator, Oil Bath Air cleaner, fuel Injection Pump, Oil filter, Engine mounted Exhaust Silencer, Manual Shut off, Wire Harness & Starting Panel

Performance curve


Material of construction

Volute Housing

High Grade cast Iron

Pump Shaft

Stainless steel, SS – 304


Stainless Steel, SS – 304

Stuffing Box

Stainless Steel, SS - 304 with Double Mechanical seal immersed in oil bath for better efficiency & longer durability

Priming Tank

Mild Steel


Portable Four wheel chassis with built in fuel tank having a fuel Capacity of 120 liters.

Weight & Dimensions

Weight without engine

550 kg

Weight with engine

950 kg

Length x width x height(cm)

214 x 213 x 153cm

20ft container

6 nos

40 ft container

12 nos

Racors 4” dewatering pumps, with model no. Racors-100, in which the priming Tank is made of Mild Steel/Stainless Steel (Aluminium also available) and the internal parts are of Teflon, Stainless steel which increase the life and efficiency of the pump. Volute Casing is made of cast iron (Stainless Steel also available) and it is designed in such a way that the shape helps to give better discharge. Shaft, Impeller, Stuffing box and all other internal parts are made by stainless steel. We are also manufacturing pumps as percustomer requirements like Open Impeller pumps, Electric motor driven pumps, with 2/4 wheel types, and skid mounted types. We have supplied 12 nos. of 4” dewatering pumps along with dewatering accessories - suction hoses, lay flat hoses, couplings & fittings to Jeddah municipality recently for drainage application. Racors dewatering are one of the top dewatering service providers in Kingdom of Saudi Arabia. We have also supplied our pumps to Oil & gas sector in KSA for various projects of Saudi Aramco.

Categories : Dewatering pumps, diesel engines, pump rentals, suction hose, lay flat hose, couplings, fittings, drainage, sewage, waste water treatment

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