Lowara GS - Submersible borehole pump 4 with oil-filled motor - rewindable - 2GS07M-4OS - 0,75kW 1Hp 1x220/240V 50Hz. Lowara e-GS series 4 SUBMERSIBLE ELECTRIC PUMPS.Water supply from drilled wells, cisterns. Head: up to 340 m at 2900 rpm. Maximum pump overall diameter, cable cover included: 99 mm. Maximum immersion depth: 150 m with 4OS motor and 300 m with L4C motor. Maximum permissible quantity of sand: 150 g/mc.
Motor power: from 0,37 to 7,5kW. 4OS single-phase version: from 0,37 to 2,2kW 220-240V 50Hz. 4OS three-phase version: from 0,37 to 7,5kW 380-415V 50Hz. L4C single-phase version: from 0,37 to 4kW 220-240V 50Hz.L4C three-phase version: from 0,37 to 7,5kW 380-415V 50Hz. Maximum supply voltage variations: ±10% (4OS), ±6% (L4C). Maximum number of starts for hour evenly distributed: 30 for 4OS and 40 for L4C.
Horizontal operation: 4OS up to 2,2kW - L4C up to 7,5kW. Maximum temperature of water in contact with motor: 35°C. The front wear ring, combined with the floating impellers, ensures optimum resistance to sand 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. Stainless steel non-return valve integrated in the head The e-GS series pumps can be coupled to either the 4OS or L4C motors.
4 Submersible oil filled rewindable motors. Shaft extension and coupling dimensions to NEMA standards. Internal fluid suitable for contact with foodstuffs.
Strong and durable compensating bellows. Axial load supported by angular bearings. Mechanical seal protected by sand guard. Maximum immersion depth: 150 m. Suitable for both vertical / horizontal installations Maximum number of starts for hour at regular intervals: 30 for direct start; 20 for impedance start.
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: from 4 to 8. Axial thrust: 3000 N from 0,37 to 2,2kW; 6500 N from 3 to 7,5kW.
Versions: - Single-phase: from 0,37 to 4kW 220-240 V ±6%, 50 Hz - Three-phase: from 0,37 to 7,5kW 380-415 V ±6%, 50 Hz. TOMEIWATERSOLUTIONS: Since 2007 the TWS, has been an operating company specialized in pumps for domestic and industrial use, of all the different kinds: centrifugal, peripheral, submersible, self-priming, multistage. The TWS is an authorized reseller of national and international brands, such as: Dab, Lowara, Ebara, Grundfos and Calpeda. All its items are with full and rigorous compliance with the Italian and European laws and regulations in force. The TWS, leading its clients to find the best solution, is nowadays considered one of the first preferred supplier: quality, efficiency and experience are essential values of the TOMEIWATERSOLUTIONS.
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