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SKU: ZN855-07-3R
Lowara ZN855-07-3R Stainless Steel 30kW Deep Well 8" Submersible Bore Pump with Semi-Axial Flow Impeller
Australia-Wide
(08) 9240 2992
Official Lowara
Peace of Mind
Product Overview
Hydraulic design principles utilizing seven stages characterize this 8-inch range pump intended for large-scale agricultural distribution. It serves as an efficient extraction tool for municipal water supply projects and industrial systems needing significant head potential from underground reservoirs. The unit supports vertical borehole installation and horizontal mounting provided a minimum 3-degree incline is maintained. This model provides high head lifting while maintaining high flow rates from underground aquifers.
Technical parameters include a maximum head of 188.7 m and a delivery capacity of 1333 L/Min through the 125 mm discharge head. Powered by a 30 kW motor drawing 63.8 Amps of rated current from a 415v three-phase electrical supply. Peak delivery occurs through a semi-axial hydraulic arrangement designed for deep borehole service at a rotation speed of 2900 rpm. All metrics are validated for clean water based on standard density and viscosity characteristics.
Wet end components such as the impellers, diffusers, and delivery casing are constructed from cast AISI 316 Stainless Steel. This variant features a Duplex Stainless Steel motor, providing resistance in aggressive borehole media found in municipal and industrial wells. The assembly processes water containing suspended sand concentrations up to 100 g/m³ and is rated for temperatures up to 25°C. A duplex stainless steel shaft is utilized to handle mechanical stresses during rotation.
Rated for immersion depths of 350 meters, the unit features a 198 mm maximum overall diameter making it compatible with standard 8-inch well casings. A built-in non-return valve with a stainless steel spring is situated in the delivery head to prevent backflow and reverse rotation. Internal clearance is managed by technopolymer POM-C wear rings and EPDM 70 bearing bushes supporting the duplex shaft assembly. This design is intended for continuous industrial and municipal duty tasks.
FEATURES
- A stainless steel suction strainer excludes large particles from entering the hydraulic stages.
- A duplex stainless steel taperlock system secures the impellers to the shaft for torque transfer.
- Internal technopolymer POM-C wear rings maintain hydraulic clearances and reduce internal friction.
- EPDM 70 bearing bushes support the pump shaft assembly and handle mechanical loads during rotation.
- Mechanical connection of the 8-inch motor follows NEMA standards for industrial system compatibility.
- The integrated non-return valve features a stainless steel spring to prevent fluid backflow.
- Stainless steel cable covers provide mechanical protection for motor power leads along the casing.
SPECIFICATIONS
| Max Flow | 1333 L/Min |
| Max Head | 188.7 m |
| Power | 30 kW / 415v |
| Rated Current | 63.8 Amps |
| Suitable For | Clean Groundwater Supply |
| Body Material | AISI 316 Stainless Steel |
| Liquid Temperature | Maximum 25°C |
| Outlet Size | 125 mm |
| Warranty | 12 Months |
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.
How deep can this submersible bore pump lift water from underground?
With a maximum dynamic head rating of 188.7 m, the ZN855-07-3R efficiently lifts groundwater from deep borehole shafts and elevates it to surface storage.
What is the maximum water delivery flow rate from this pump?
The ZN855-07-3R achieves a peak water delivery rate of 1333 L/Min through its integrated 125 mm top outlet connection.
What materials are used to construct the pump casing and motor?
The ZN855 07 3R is built using cast AISI 316 stainless steel pump casing with a duplex stainless steel motor, ensuring long-term structural integrity in demanding borehole environments.
What electrical power supply is required to run this pump?
The ZN855_07_3R is driven by a 30 kW / 415v motor requiring 415V three-phase electrical power for high-demand pumping.
Does this pump include a built-in check valve to prevent backflow?
Yes. The ZN855-07-3R includes an integrated non-return check valve with a stainless steel spring in the discharge port to limit backflow during shutdown.
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