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The twenty-eight-stage ZN616/28 is intended for water supply systems requiring exceptionally high borehole lift. It reaches a maximum head of 343 metres while maintaining a maximum flow of 367 L/Min.
AISI 316 stainless steel forms the ZN6 pump-end construction, with AISI 316L stainless steel impellers and diffusers incorporating removable wear rings. The Duplex stainless steel UNS S 31803 shaft supports the rotating assembly, while the replaceable coupling is Duplex stainless steel UNS S 32304. Suspended sand up to 100 g/m³ is permitted.
With an L6W motor, water temperature is limited to 35°C. Hydraulic performance is specified to EN ISO 9906 Grade 3B. The Rp 2 1/2” (65 mm) threaded connection provides the outlet, with a standard 6-inch NEMA motor connection and maximum immersion of 350 metres.
The microcast ASTM CF-8M (AISI 316 cast) discharge head and lower support incorporate an integrated stainless steel non-return valve. Safety-hook holes support installation and securing of the wet end.
FEATURES- Twenty-eight radial stages provide exceptionally high hydraulic lift for water supply.
- Removable wear rings provide serviceable hydraulic clearances.
- AISI 316L impellers and diffusers provide the specified stainless-steel hydraulic construction.
- The Duplex UNS S 31803 shaft supports the rotating assembly.
- The replaceable Duplex UNS S 32304 coupling provides the motor connection.
- AISI 316L tie rods and cable guard maintain the external stainless-steel construction.
- The microcast discharge assembly incorporates the lower support and integrated non-return valve.
* Submersible motor sold separately - requires coupling and 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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