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High-head groundwater supply for municipal networks and fountain waterworks requires pumps that deliver substantial pressure with reliable performance. The Lowara ZN646/7-3 meets these requirements with its 6-inch wet end and 6-inch motor configuration, delivering 1000 L/Min while maintaining stable operation across varying demand cycles.
Corrosion resistance is built into the design through AISI 316 stainless steel construction, extending service life in aggressive groundwater conditions. The hydraulic stages feature a removable wear ring for maintenance convenience, while the integrated non-return valve prevents water column reversal. The suction strainer limits sand ingress to 100 grams per cubic metre, protecting internal components from premature wear.
Operating on a 415V three-phase supply, the 9.3 kW motor draws 20.5 Amps and achieves 72.7 metres of shut-off head. Flow capacity reaches 1000 L/Min through the 80 mm discharge outlet. Performance to EN ISO 9906 Grade 3B ensures reliable operation across the duty range.
Submersion depths up to 350 metres are supported by Class F insulation and IP68 protection. The Duplex stainless steel shaft and AISI 316L tie rods provide mechanical durability for continuous submerged service. Safety hook attachment points simplify installation, while NEMA motor compatibility facilitates assembly.
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
* Motor and pump supplied separately - requires assembly
FAQs
General Product FAQs
1. How do I choose the right pump for my setup?
Selecting the correct pump depends on your required flow (L/min), total head (vertical lift + friction loss), and power source. If you're unsure, contact our team and we’ll size the right system for you.
2. Do you offer support with system design or setup?
Yes — we provide expert advice to help you choose, install, and optimise your pump system. Whether it's a simple setup or a custom solution, we’re here to help.
3. Do you offer complete pump solutions or just products?
We don’t just sell pumps — we provide complete solutions. From accessories and control systems to full packaged setups, we can supply everything required to get your system running efficiently.
Shipping & Availability
1. Do you offer Australia-wide shipping?
Yes — we ship across Australia. Bulk or oversized orders may incur additional freight charges otherwise we offer free shipping over $100*
2. How long does delivery take?
Orders are typically shipped within 1–2 business days, with delivery taking approximately 2–7 days depending on your location.
3. What courier or freight companies do you use?
We work with a range of trusted carriers including Australia Post, StarTrack, TNT, and other national freight providers depending on the size and location of your order. This allows us to ensure fast, reliable delivery across Australia, including regional and remote areas.
Warranty & Support
1. Do your pumps come with a warranty?
Yes — all products are backed by manufacturer warranties. Warranty periods vary depending on the brand and product type.
2. What support do you offer after purchase?
We provide ongoing support including:
- Installation advice
- Troubleshooting
- Spare parts supply
- System upgrades
3. What is the warranty process if something goes wrong?
If you experience an issue, simply contact our team with your order details and a description of the problem. We’ll guide you through troubleshooting and, if required, arrange repair, replacement, or manufacturer assessment in line with warranty terms.
Why choose Foundation Pumps?
1. Why choose Foundation Pumps over other suppliers?
We focus on supplying proven, high-quality pump solutions backed by real industry knowledge. Unlike general resellers, we understand how these systems perform in the field and provide honest, practical advice to ensure you get the right solution the first time.
2. Do you offer expert advice before and after purchase?
Yes — we support you at every stage, from selecting the right pump through to installation and ongoing use. Our team is available to assist with sizing, troubleshooting, and system optimisation whenever you need it.
3. Do you stock trusted brands and quality products?
We carefully select and supply pumps from reputable manufacturers known for reliability and performance. Our range includes both industry-leading brands and high-value alternatives that meet Australian standards and conditions.
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