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SKU: ZN660/21-3N
Lowara ZN660/21-3N Stainless Steel 37kW Deep Well 6" Submersible Pump with Radial Flow Impeller
Australia-Wide
(08) 9240 2992
Official Lowara
Peace of Mind
Product Overview
Industrial dewatering and civil engineering projects require pumps that sustain high flow rates under continuous operation with minimal maintenance. The Lowara ZN660/21-3N processes 1300 L/Min from its 6-inch wet end with 6-inch motor and NEMA coupling, handling large volumes for mine dewatering and construction site drainage. Its radial flow impeller arrangement ensures efficient hydraulic performance across the operating range.
AISI 316 stainless steel construction protects the wet end from corrosion and abrasive wear. The impeller includes a removable wear ring for simplified maintenance access. The integrated non-return valve prevents water column reversal during shutdown. The suction strainer limits suspended sand to 100 grams per cubic metre, preserving internal clearances. The discharge head incorporates safety hook holes for secure borehole installation.
Driven by a 37 kW three-phase motor at 415V, the pump draws 81.8 Amps and achieves 225.7 metres of shut-off head. Flow capacity is 1300 L/Min through the 80 mm discharge port. Performance complies with EN ISO 9906 Grade 3B tolerances for consistent hydraulic output.
Class F insulation with IP68 rating supports immersion to 350 metres. The Duplex stainless steel shaft and AISI 316L tie rods provide mechanical durability. NEMA motor coupling simplifies assembly, and the microcast stainless steel construction ensures long-term structural integrity.
Z = 6" wet end with 6" Lowara L6C motor
FEATURES
- Discharge head features pre-drilled holes for safety hook attachment
- Shaft utilizes Duplex stainless steel UNS S 31803 metallurgy
- Bracing tie rods are built from AISI 316L stainless steel
- Mechanical coupling component is replaceable for standard servicing
- Suction strainer uses AISI 316L stainless steel mesh
- Flange assembly conforms to standard NEMA motor connections
- Maximum immersion depth of 350 metres with L6W motors
* Motor and pump supplied separately - requires assembly
SPECIFICATIONS
| Max Flow | 1300 L/Min |
| Max Head | 225 m |
| Power | 37 kW / 415v |
| Rated Current | 81.8 Amps |
| Suitable For | Extreme Depth Extraction |
| Body Material | Stainless Steel |
| Liquid Temperature | Maximum 60°C |
| Outlet Size | 80 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.
What is the highest shut-off head attainable by this 21-stage industrial pump?
The ZN660/21-3N achieves an outstanding shut-off head of 225.7 metres at a flow rate of 1300 L/Min.
What motor power and current draw are specified for operation?
Powered by a 37 kW motor on 415V three-phase, the ZN660-21-3N draws 81.8 Amps.
What tolerance standard applies to the pump's hydraulic performance?
Hydraulic performance of the ZN660 21 3N conforms strictly to EN ISO 9906 Grade 3B tolerances.
What is the maximum permissible concentration of sand in pumped water?
Sand passage through the ZN660_21_3N suction strainer is limited to 100 grams per cubic metre.
What motor flange specification is featured on the lower motor support?
The lower motor support of the ZN660/21-3N conforms to standard NEMA motor connection specifications.
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