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For groundwater extraction, agricultural irrigation and high-volume water supply, the ZN612/8 provides an eight-stage radial flow pump end for six-inch submersible borehole installations. Its radial hydraulic arrangement provides the required lift while maintaining a maximum flow of 275 L/Min.
Its ZN6 construction uses AISI 316 stainless steel, with AISI 316L stainless steel impellers and diffusers fitted with removable wear rings. The rotating shaft is Duplex stainless steel UNS S 31803, while the replaceable coupling uses Duplex stainless steel UNS S 32304. Suspended sand up to 100 g/m³ is permitted, while the standard L6W motor limits operating water temperature to 35°C.
The ZN612/8 achieves a maximum head of 90 metres, with hydraulic performance specified to EN ISO 9906 Grade 3B. Water is discharged through the Rp 2 1/2” (65 mm) threaded connection. A standard 6-inch NEMA motor connection permits coupling with an L6W submersible motor, with maximum immersion depth of 350 metres when used with L6W motors.
The discharge head is manufactured in microcast ASTM CF-8M (AISI 316 cast) material and includes an integrated stainless steel non-return valve. Safety-hook holes are incorporated into the discharge head to assist with lowering and securing the pump end during deep-well installation.
FEATURES- The eight-stage radial layout provides the hydraulic lift required for groundwater and irrigation duties.
- Removable wear rings make the hydraulic clearances serviceable when maintenance is required.
- AISI 316L impellers and diffusers provide the specified stainless-steel hydraulic construction.
- The Duplex UNS S 31803 shaft is designed for the rotating assembly.
- The replaceable Duplex UNS S 32304 coupling provides the specified coupling material and arrangement.
- AISI 316L tie rods and cable guard extend the stainless-steel construction around the pump end.
- The microcast discharge head combines structural support with an integrated stainless steel 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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