Lowara submersible pumps for 4 inch wells

Submersible pumps for 4" wells

Lowara submersible pumps for 4" wells

GS 4"-4OS

4" multi-impeller submersible electric pump, floating impellers and diffusers in Lexan®, supports, jacket and shaft in stainless steel.

APPLICATION AREAS:

RESIDENTIAL, AGRICULTURE, INDUSTRY

EMPLOYMENTS

• Water supply from wells and cisterns.

• Sprinkler irrigation.

• Pressurization.

• Fire prevention.

PUMP CONSTRUCTION FEATURES

• Abrasion resistant construction. The front shim combined with the floating impellers guarantee an extremely abrasion-resistant configuration.

• Upper and lower supports made of investment-cast stainless steel to ensure corrosion resistance, sturdiness and rigid coupling with the engine.

• The hexagonal pump shaft ensures effective driving of the impeller.

• Stainless steel non-return valve integrated into the head.

• The e-GS series pumps can be coupled indifferently to 4OS or L4C motors.

PUMP

• Flow rates: up to 21 m3/h at 2900 min-1.

• Heads: up to 340 m at 2900 min-1.

• Maximum overall diameter of the electric pump (including cable cover): 99 mm.

• Maximum immersion depth:

150m (with 4OS).

300 m (with L4C engines).

• Maximum quantity of sand tolerated: 150 g/m3.

• 1GSL - 2GS - 4GS - 6GS versions: outlet delivered by Rp 1 1/4.

• 8GS - 12GS - 16GS versions: port delivered from Rp 2.

• 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.

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.

0.37 to 7.5 kW 380-415 V, 50 Hz.

• Maximum deviation from nominal voltage:

±10% (4OS)

±6% (L4C).

• Maximum number of equally distributed starts per hour: 30 (4OS), 40 (L4C).

• Horizontal operation.

4OS up to 2.2 kW.

L4C up to 7.5 kW.

• Maximum temperature of the water touching the engine: 35°C.

e-GS SERIES

HYDRAULIC PERFORMANCE RANGE AT 50Hz

GS4 hydraulic performance curves