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Effluent Pumps ( GNS )


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Harison Pumps Pvt Ltd situated in Nagpur, Maharashtra, India is recognized in the Industrial sector as one of the Manufacturer, Supplier, Exporter of Submersible Effluent Pumps (GNS), Effluent Domestic Pumps, Sewage Pumps



Pumps that are designed to be submersible are placed within the reservoir of water that needs pumping out, mainly used for emptying ponds, drainage in floods.

Sump and Effluent Submersible Pumps are designed to transfer wastewater discharged from a septic tank or an aerobic treatment system to a drain field.

The main advantage of the submersible pump is it never has to be primed, because it is already submerged in the fluid. Submersible pumps are very efficient because they don't really have to spend a lot of energy moving water into the pump.

Different Types of Submersible Pumps are Water Submersible Pumps, Irrigation Submersible Pumps, Sewage Submersible Pumps, Solar Submersible Pumps and Sand Submersible Pumps

Effluent Pumps (GNS)

GNS Effluent Pumps are designed to handle grey water, light wastewater, and other non-corrosive liquids with suspended solids. Engineered for efficiency and reliability, they are ideal for both domestic and industrial wastewater management where durability and consistent performance are essential.


Key features of Effluent Pumps (GNS):

  • For handling water: Suspended solids up to 35mm sphere
  • Impeller: Non-clog vortex type
  • Motor: 2800 rpm oil filled with "F" class insulation, suitable for three & single phase
  • Cooling System: Jacketed & coolant filled, suitable for tough conditions and longer dry running
  • Bearings: Dual ball bearing in oil bath
  • Seal: Dual mechanical seal
  • Cable: 1.5 sq.mm x 4 core double sheathed submersible cable (5 mtrs standard, extra on request)
  • Material: All Cast Iron with stainless steel jacket
  • Hardware: Stainless Steel for easy maintenance
  • Discharge: Horizontal with female flange of 50mm

Advantages of Effluent Pumps (GNS):

  • Robust Construction: Withstands corrosive and abrasive conditions
  • High Efficiency: Reliable and energy-efficient performance
  • Corrosion Resistance: Long service life in harsh environments
  • Submersible Design: Operates fully submerged, space-saving installation
  • Clog-Resistant Design: Special impellers minimize blockages
  • Automatic Operation Option: Float switches/control panels can be added
  • Low Maintenance: Simple design reduces downtime
  • Wide Range of Capacities: Various flow rates & head capacities available
  • Sealed Motor Protection: Prevents water ingress and overheating
  • Versatile Applications: Residential, commercial & industrial usage
  • Environmental Safety: Ensures safe effluent disposal & hygienic surroundings


  • For handling water with suspended solids up to 35mm sphere
  • Non- clog vortex impeller.
  • Motor- 2800 rpm oil filled with "F" class insulation,suitable for three phase and single phase power supply.
  • The motor is jacketed & filled with the coolant. Thus the pump is suitable for working in worst of the working conditions having longer dry running capacities
  • Dual ball bearing running in oil bath.
  • Dual mechanical seal.
  • Cable - 1.5 sq. mm. x 4 core double sheathed submersible cable of 5 mtrs length provided as standerd length.
  • Extra cable can be provided with prior information.
  • Material Of construction - All Cast Iron with stainless steel jacket.
  • Stainless Steel hardware for easy MAINTENANCE.
  • Horizontal discharge with female flange of 50mm.

Technical Specification of Effluent Pumps (GNS):

MODEL
GNS -150-S
GNS -100-S
GNS -75-S
GNS -150-T
GNS -100-T
GNS -75-T
HEAD(M)
(LPM)
(LPM)
(LPM)
2
485
375
295
4
440
325
250
6
390
270
285
8
345
210
125
10
280
145
40
12
220
55
-
14
150
-
-
16
60
-
-
18
-
-
-
20
-
-
-
Model
HP/KW
Solid Handling
Power Supply
Delivery Size

Minimum Level of Submergence

GNS-75-S
1.0/0.75
35 mm
1ф,50Hz 230V
50 mm
120 mm
GNS-75-T
1.0/0.75
35 mm
3ф,50Hz 415V
50 mm
120 mm
GNS-100-S
1.5/1.1
35 mm
1ф,50Hz 230V
50 mm
120 mm
GNS-100-T
1.5/1.1
35 mm
3ф,50Hz 415V
50 mm
120 mm
GNS-150-S
2.0/1.5
35 mm
1ф,50Hz 230V
50 mm
120 mm
GNS-150-T
2.0/1.5
35 mm
3ф,50Hz 415V
50 mm
120 mm

Effluent Pumps (GNS) Application Industries:

  • Wastewater Treatment Plants: For handling treated effluent and transferring partially processed water.
  • Chemical Industry: For pumping effluent containing chemical residues and by-products.
  • Pharmaceutical Industry: For safe discharge and transfer of liquid waste streams.
  • Food & Beverage Industry: For processing plant effluent and wash water.
  • Textile Industry: For managing dye effluents and wash-water discharge.
  • Paper & Pulp Industry: For pumping wastewater with fibrous content.
  • Mining & Minerals: For handling slurry, tailings, and industrial wastewater.
  • Oil & Gas / Petrochemical Industry: For managing oily wastewater and effluents.
  • Power Plants: For wastewater handling, cooling tower blowdown, and ash slurry.
  • Municipal & Domestic Applications: For sewage treatment, septic systems, and drainage.

In View Of Continous Development we Reserve Right to Change Design and / or Dimensions Without Notice


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