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SKU: 4GS30
Lowara 4GS30 Stainless Steel Deep Well 4" Submersible Bore Pump (Wet End Only) with Floating Impeller
Australia-Wide
(08) 9240 2992
Official Lowara
Peace of Mind
Product Overview
The Lowara 4GS30 pump end is a multi-stage hydraulic wet end designed for borehole extraction in the e-GS range. Starting operation requires coupling the unit with a 3.0 kW (4.0 HP) motor. Standard structural configuration allows vertical mounting or horizontal deployment.
The pump end uses a stainless steel external casing to prevent corrosion. The floating impeller system incorporates 35 stages fabricated from wear-resistant polymer. This multi-stage setup handles suspended sand up to a maximum of 150 grams per cubic meter.
Coupled with the required 3.0 kW motor drawing a nominal current of 7.1 Amps on 415 V three-phase supply, the pump end achieves a maximum head of 204.0 m. This system provides a maximum flow of 90 L/Min via its Rp 1-1/4" (32 mm) connection. Operating curves are fully validated.
This borehole pump end is specified for water temperatures up to 35°C. The unit is specified for deep immersion up to 150 meters with a 4OS motor or 300 meters with an L4C motor. Horizontal operation is possible with 4OS motors up to 2.2 kW and L4C motors up to 7.5 kW. The multi-stage design requires proper coupling with standard motors to maintain correct performance under standard system heads.
FEATURES
- Features 35 multi-stage floating impellers to drastically limit wear and abrasion from suspended sand particles.
- Constructed with a sturdy stainless steel outer sleeve to limit corrosion and protect internal hydraulic components.
- Includes an integrated stainless steel strainer to filter out oversized particles and prevent debris entry.
- Features a hexagonal pump shaft design that distributes mechanical torque without vulnerable keyed joints.
- The upper and lower brackets are made of precision-cast stainless steel to establish a sturdy motor coupling.
- ErP/Ecodesign compliant in accordance with strict European Minimum Efficiency Index of 0.40 or higher.
- Suitable for continuous submerged operations in liquid temperatures reaching up to a maximum of 35°C.
Warranty & Returns
All products supplied by Foundation Pumps are covered by a minimum 12-month warranty unless otherwise stated. Some brands may offer longer manufacturer warranties. Warranty covers manufacturing defects, faulty materials and workmanship under normal use.
- Products must be installed correctly and in accordance with the manufacturer’s instructions.
- Warranty does not cover incorrect installation, misuse, dry running, normal wear and tear, unauthorised repairs or damage caused by external factors.
- Proof of purchase, photos, videos and installation details may be requested when assessing a warranty claim.
- The customer is responsible for returning the product to Foundation Pumps or the nominated service centre unless otherwise agreed.
- Removal, reinstallation, labour and associated site costs are generally the customer’s responsibility unless required under Australian Consumer Law.
- Change-of-mind returns may be accepted within 30 days provided the product is unused, uninstalled and returned in its original packaging.
- Customers are responsible for return freight costs for change-of-mind returns.
- Restocking fees may apply to special-order, bulky or non-stocked products.
- Used, installed or specially ordered products may not be eligible for change-of-mind returns.
- If a product arrives damaged or faulty, please contact Foundation Pumps as soon as possible so we can assist with the appropriate repair, replacement or refund.
Your rights under Australian Consumer Law are not affected.
Does this borehole extraction pump provide reliable corrosion and grit defense?
Subterranean chemical resistance is reinforced by stainless-steel with floating impellers throughout the 4GS30, which tolerates abrasive sand content up to 150 g/m³.
Which electrical voltage and kilowatt power are specified to operate this borehole pump?
Electrical operation involves pairing the 4GS-30 wet end with a 3.0 kW motor on 220–240 V, 50 Hz, single-phase (while supporting 380–415 V, 50 Hz, three-phase motor configurations).
Is a check valve built into the delivery head and can this pump be mounted horizontally?
Housed within the delivery casing, an integrated stainless-steel non-return valve protects the 4 GS 30 from backflow, and horizontal operation is permitted at a minimum recommended 3° incline with the motor lowest and a cooling sleeve.
What total head height does this borehole water extraction unit reach during operation?
Water raising from deep borehole installations is led by the 4_GS_30, which provides a maximum dynamic head of approximately 204.0 m.
What size plumbing pipe attaches to the top head and what is the maximum flow rate?
Surface piping connects directly to the 32 mm (Rp 1-1/4") delivery outlet, where the 4GS30 maintains a maximum flow rate of approximately 90 L/Min in standard 4-inch (100 mm) or larger borehole casings.
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