Lowara GS Submersible Pump 4" Wells 1GSL11M-4OS 1,1kW 1,5HP 1x220-240V 50Hz Z1

Lowara 104070050 1GSL11M-4OSLOWARA GS Multistage centrifugal submersible pumps for clean water in 4” wells
1,1 kW / 1,5 HP / 1x220-240V / 50Hz


LOWARA GS Series
4” Submersible Pumps

Compact
Sturdy
Abrasion resistant
All components are F.D.A. aproved
Floating impellers

MARKET SECTORS
CIVIL, AGRICULTURAL, INDUSTRIAL.

APPLICATIONS
Water supply.
Sprinkler irrigation.
Pressure boosting.
Fire-fighting.

SPECIFICATIONS

PUMP
Delivery: up to 21 m3/h at 2850 rpm.
Head: up to 340 m at 2850 rpm.
Maximum pump overall diameter (cable cover included): 99 mm.
Maximum immersion depth:
150 m (with 4OS motor).
300 m (with L4C motor).
Maximum permissible quantity of sand: 150 g/m3.
1GSL - 2GS - 4GS - 6GS versions Rp 1 1/4 delivery port.
8GS - 12GS - 16GS versions Rp 2 delivery port.
Motor power : from 0,37 to 7,5 kW.

MOTOR
4OS single-phase version: from 0,37 to 2,2 kW 220-240 V, 50 Hz.
4OS three-phase version: from 0,37 to 7,5 kW 220-240 V, 50 Hz. / from 0,37 to 7,5 kW 380-415 V, 50 Hz.
L4C single-phase version: from 0,37 to 4 kW 220-240 V, 50 Hz.
L4C three-phase version: from 0,37 to 5,5 kW 220-240 V, 50 Hz./ from 0,37 to 7,5 kW 380-415 V, 50 Hz.
Overload protection to be provided by user and installed in the control panel (see electric panel section).
Maximum supply voltage variations: ±-10% (4OS) ±6% (L4C).
Maximum number of starts per hour evenly distributed: 30 (4OS), 40 (L4C).
Horizontal operation:
4OS up to 2,2 kW.
L4C up to 7,5 kW.
Maximum temperature of water in contact with motor: 35°C (4OS), 35°C (L4C).

CONSTRUCTION CHARACTERISTICS

PUMP
Abrasion-resistant construction. The front wear plate, combined with the floating impellers, ensures optimum resistance to abrasion.
The upper and lower supports are made of precision-cast stainless steel, ensuring resistance to corrosion, durability and a sturdy coupling to the motor.
The hexagonal pump shaft guarantees an effective impeller driving.
A stainless steel non-return valve is fitted in the discharge to prevent any back flow of water and alleviate any water hammer to the pump, thus safeguarding impellers and diffusers.
The GS series pumps can be coupled to either the 4OS or L4C motors.

OPTIONAL FEATURES
Different voltages and frequencies.

4” Submersible motors

LOWARA 4OS Series

Submersible liquid-cooled motors.
The choice of component materials ensures optimum operating performances, superior quality, reliability and ease of installation.

Rewindable stator
Liquid suitable for use with foodstuffs (complies with FDA)
High starting torque
Power supply cable with extractable connector

SPECIFICATIONS
Stainless stell outer sleeve.
Shaft extension and coupling dimensions to NEMA standards.
Rewindable stator.
Class F insulation.
Protection class: IP68.
Internal fluid according to standards for oils in contact with foodstuffs (F.D.A. - FOOD AND DRUG ADMINISTRATION).
Compensating bellows for internal liquid expansion.
Axial load supported by angular bearings.
Mechanical seal protected by sand guard.
Maximum immersion depth: 150 m.
Maximum number of starts per hour at regular intervals:
30 for direct start;
20 for impedance start.
Maximum supply voltage variations allowed :
230V ±10%,
400V ±10%.
Maximum water temperature : 35°C.
Max. temperature applies to motors working in a installation capable of delivering a flow of water around the motor jacket of at least 0,08 m/s.
Water pH: 4÷8.
Axial thrust:
3000 N from 0,37 to 2,2 kW;
6500 N from 3 to 7,5 kW.
Extractable supply cable fitted with watertight connector.
Versions:
- Single-phase: 0,37 to 4 kW 220-240 V, 50 Hz
- Three-phase: 0,37 to 7,5 kW 220-240 V, 50 Hz / 0,37 to 7,5 kW 380-415 V, 50 Hz.
Horizontal operation up to 2,2 kW.
Inverter applications.

OPTIONAL FEATURES
Special voltages.

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