WELL S3

4" submerged pumps, 2 poles, from 0.37kW to 1.1kW,
Max head: 140 m,
Max capacity: 50 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   5 10 15 20 25 30 35 40 45 50
m3/h 0 0.3 0.6 0.9 1.2 1.5 1.8 2.1 2.4 2.7 3.0
L/s 0 0.08 0.17 0.25 0.33 0.42 0.50 0.58 0.67 0.75 0.83
WELL S3 50 Head (m) 44 43 42 41 40 38 35 32 29 25 20
WELL S3 75 70 69 67 65 62 59 54 50 44 38 30
WELL S3 100 93 92 90 88 84 80 75 69 62 54 45
WELL S3 150 140 138 135 130 125 118 110 101 90 76 60

 

 

Technical characteristics:

Models WELL S3 50 WELL S3 75 WELL S3 100 WELL S3 150
Number of stages 7 10 14 20
Outlet 1"1/4 - DN 32 threaded
Axial thrust 2000 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 1,7 meters cable 4G1.5 without plug approved KTW, ACS and WRAS
Capacitor 20μF - 450V 25μF - 450V 35μF - 450V 40μF - 450V
Only for single-phase motors. To be installed into an external control box (see optional) 
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 S3 50 0.50HP - 0.37kW 2 2900  230V/50Hz/1 3,6 A
400V/50Hz/3 1,8 A
WELL S3 75 0.75HP - 0.55kW 2 2900 230V/50Hz/1 4,8 A
400V/50Hz/3 2,1 A
WELL S3 100 1.0HP - 0.75kW 2 2900 230V/50Hz/1 5,8 A
400V/50Hz/3 2,3 A
WELL S3 150 1.5HP - 1.1kW 2 2900 230V/50Hz/1 8,1 A
400V/50Hz/3 3,4 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 S3 50 1"1/4 - DN 32 230/50/1 98 (4") 349 271 582 6,5 2,8 9,3
400/50/3
WELL S3 75  1"1/4 - DN 32 230/50/1 98 (4") 369 324 655 7,2 3,3 10,5
400/50/3
WELL S3 100 1"1/4 - DN 32 230/50/1 98 (4") 394 394 750 8,5 3,9 12,4
400/50/3
WELL S3 150 1"1/4 - DN 32 230/50/1 98 (4") 424 499 885 10,2 4,9 15,1
400/50/3 409 870 9,4 14,3

 

 

Optionals:

No-return valve No-return check valve 1"1/4
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 L1 just for pump starting

Series F5 (for single-phase motors) or F6 (for three-phase motors) 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 S3 ENG - REV. 2.0 - 29/08/2017

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