Pompa sommergibile professionale in ghisa per acque sporche, 4 poli, 4HP,
Max prevalenza: 14 m,
Max portata: 2000 L/min



Pump in cast-iron with single-channel impeller. This kind of impeller grants a good free passage for the solid and fibrous parts contained into the water but it gives also an higher flow and head than the "vortex" impeller. This model with an heavy duty construction, double mechanical seals and 1450 rpm motor can be used to pump heavy sewage water.


The VORTEX 400 is usually installed into big block of flats' cellars to drain the dirty water or in public sewage water nets. This model is also often used in farms to pump out the manure of the stables, in industrial plants, in sewage water treatment plants, in sludges treatment plants, etc. This model cannot be used to pump water containing stones.

Operation conditions

Max liquid temperature: 50 °C (122 °F)

pH: 6-10

Max density < 1100 kg/m³

Max immersion depth: 20m



Performance curve:

Model                                                                   Head (m)                                
2 4 6 8 10 12 14
VORTEX 400 L/min 2000 1750 1495 1150 790 460   0  
m3/h 120,0 105,0 89,7 69,0 47,4 27,6 0
L/s 33,33 29,17 24,92 19,17 13,17 7,67 0



Technical characteristics:

Outlet 4" - DN 100 horizontal flanged
Solid passage 85mm
Impeller Single-channel impeller
Mechanical seal

Double mechanical seal in oil chamber. The lower one in silicum carbide / silicum carbide / NBR, the upper one in ceramic / graphite / NBR.

Motor Oil bathed. Insulation class: F
Motor protection By a fused remote isolator switch at customer's care (see optional electric board)

The pump is supplied without float-switch


10 meters cable H07RNF 4G1.5mm2 without plug

Capacitor -
IP 68



Electric characteristics:

Model Power Nos. poles R.p.m. Voltage Ampere
VORTEX 400 4.0 HP - 3.0kW 4 1450 230-400V/50Hz/3 11,0 - 6,5 A 




Impeller          Cast-iron GG 25                                                                            
Pump cover Cast-iron GG 25
Motor case Cast-iron GG 25
Pump body Cast-iron GG 25
Pump support Galvanized iron
Motor shaft Inox AISI 420
Packing set NBR



Weight and dimensions:


Model                 Outlet                       Dimensions (mm)                  Weight  
flanged A B C D E F (kg)
VORTEX 400 4" - DN 100 650 394 163 420 330 600 70




Connections 4"-DN 100 counterflange
DN 100 90° coupling hose in cast-iron with flange
Coupling foot MODEL 4-DN100VTX400-750: automatic coupling foot with DN100 connection for VORTEX 400-750 
No-return valve Professional ball check valve flanged 4"-DN100 in cast-iron
Float-switch 10 or 20 metres cable float-switch to be connected to an electric board
Electric board Professional electric board model F1-4.0-3. This electric board provides a manual reset thermal protection to protect the motor of the pump and it permits the connection of a float-switch. Moreover this electric board has a control of lack or invertion of phases. The connection of the three-phase pump to an electric board is mandatory.



VORTEX 400 ITA - REV. 2.0 - 29/08/2017

Comex Srl Società Unipersonale, Via delle Industrie, 42 - 31057 Silea (TV) - ITALY
P.I.: 00345210264 - Cap. Soc.: 50.000€ i.v.