WELL S24

4" submerged pumps, 2 poles, from 3.0kW to 7.5kW,
Max head: 160 m,
Max capacity: 400 L/min

 

Use

4" professional submersible pumps. Suitable for clean or slightly sandy water. These models are usually applied to pump water from 4" deep wells to give pressure to the hydraulic plant of houses or for small irrigation systems. The hydraulic part is supplied separately from the motor and the motor has only 1,7 metres cable.

 Operation conditions

Max liquid temperature: 35 °C (95 °F)

pH: 6-8

Max density: 1000 kg/m³

Max immersion depth: 200m 

 

Performance curve:

 

Models Capacity
L/min    0    50 100 150 200 250 300 350 400
m3/h 0 3.0 6.0 9.0 12.0 15.0 18.0 21.0 24.0
L/s 0 0.83 1.67 2.50 3.33 4.17 5.00 5.83 6.67
WELL S24 400 Head (m) 67 61 55 50 43 37 29 22 13
WELL S24 550 93 87 80 73 65 55 46 34 21
WELL S24 750 124 115 107 97 87 75 62 49 34
WELL S24 1000 160 150 138 126 112 99 84 68 50

 

 

Technical characteristics:

Models WELL S24 400 WELL S24 550 WELL S24 750 WELL S24 1000
Number of stages 11 15 20 26
Outlet 2" - DN 50 threaded
Axial thrust 3000 N 5000 N
Motor

Oil bathed, rewindable. Insulation class F.

Available also water bathed motor.

Motor protection To be provided into an external control box (see optional)
Mechanical seal In graphite / ceramic / NBR
Float-switch The pumps are supplied without float-switch
Cable 4G2
1,7 meters cable without plug approved KTW, ACS and WRAS
Capacitor -
IP 68
Max content of sand 40 gr/m3 for the motor, 180 gr/m3 for the hydraulic part

 

 

Electric characteristics:

Models Power Nos. poles R.p.m. Voltage Ampere
WELL S24 400 4.0HP - 3.0kW 2 2900 400V/50Hz/3 8,6 A
WELL S24 550 5.5HP - 4.0kW 2 2900 400V/50Hz/3 8,9 A
WELL S24 750 7.5HP - 5.5kW 2 2900 400V/50Hz/3 11,7 A
WELL S24 1000 10.0HP - 7.5kW 2 2900 400V/50Hz/3 16,4 A

 

 

Materials:

Hydraulic part Impellers Noryl                                                                
Diffusers Glass filled polycarbonate
External case Stainless steel AISI 304
Suction grid Stainless steel AISI 304
Discharge head Stainless steel AISI 304
Coupling flange Stainless steel AISI 304
No-return valve Built-in, in stainless steel AISI 304
Motor External case Stainless steel ASI 304
Upper flange Stainless steel ASI 304
Shaft Stainless steel ASI 304

 

 

Weight and dimensions:

 

 

Models Outlet Voltage Dimensions (mm) Weight (kg)
D Lm Li Lt Motor Pump Total
WELL S24 400 2" - DN 50 400/50/3 98 (4") 543 880 1385 15,0 8,1 23,1
WELL S24 550 2" - DN 50 400/50/3 98 (4") 647 1149 1758 20,1 10,5 30,6
WELL S24 750 2" - DN 50 400/50/3 98 (4") 737 1489 2188 24,7 13,5 38,2
WELL S24 1000 2" - DN 50 400/50/3 98 (4") 837 1810 2609 29,0 17,5 46,5

 

 

Optionals:

No-return valve No-return check valve 2"
Cable junction kit In resin or thermo-contracting
Additional cable The section of the cable depends on the lenght needed and the power of the motor

Control box

Series F6 that permit the connection of controls (float-switch, sounding probe, pressure switch)

Sounding probes

To avoid dry running

Pressure system set Presscontrol
Manometer, pressure switch and expansion tank

 

WELL S24 ENG - 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.