The Grundfos SE1 pump range are high specification products for heavy duty pumping applications where reliability and ease of servicing are essential requirements. Particular uses are for pumping sewage and heavily polluted water in municipal, utility and industrial applications.

Featuring advanced technology design, the pumps utilise high efficiency semi-axial type channel impellers with excellent nonclogging performance and solid passing capability. Other notable features include a hermetically sealed cable entry to eliminate liquid penetration, cartridge type double mechanical seal for durability and ease of maintenance and a simple clamp coupling arrangement of the motor and pump units for easy disassembly.

The SE1 range is of unique modular design with standard motor units fitting several pump models. Also the hydraulic end is adaptable for submersible auto coupling, submerged free-standing or dry configurations by simply specifying the appropriate mounting components. Three basic models are stocked, though the range is extensive and different models are available to special order for specific requirements.

The pump end including impeller and pump housing are manufactured from cast iron, the stator housing from cast aluminium and the motor jacket, clamp and cable entry from stainless steel. 10m of Neoprene rubber drop cable is supplied as standards.

Pumps are fitted with integral squirrel cage induction motors of special liquid-less cooling design enabling continuous operation in dry installations. Remote motor starting is required using a starter type as indicated below.

Insulation Class: F
Voltage: 3x415V
Max Starts/Hr: 20

Pumped Liquid: Heavily polluted liquids containing suspended particles up to the throughlet diameter of the impeller.
Max Liquid Temp:- 40°C
Max Immersion Depth: 20m


Model Power (kW) Speed (rpm) Max. Current  (A) Start Current (A) Starter Type Impeller Throughlet (mm) Auto-coupling (mm)  Free Standing (mm) Dry Installation (mm)  Weight (kg)
H W A D E H B C H A B B1 C D E
 SE1 80.80.22 2.2 1445 5.9 32 DOL 80 876 788 108 432 595 898 364 355 1109 341 433 136 67 106 272 100
 SE1 50.80.40 4 2925 8.6 71 YD 50 938 760 132 387 567 937 341 325 1055 248 317 108 87 62 227 123
 SE1 80.80.75 7.5 1455 17.3 107 YD 80 1006 883 82 489 690 1054 390 355 1265 341 459 136 124 106 328 205


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