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Underground mining operations frequently encounter highly abrasive, sand-laden water that destroys standard drainage equipment. The Tsurumi NKZ411 is a heavy-duty slurry pump specifically upgraded to withstand the extreme wear of mineral extraction processes. Its combination of high power and abrasion-resistant materials ensures reliable dewatering in the most unforgiving environments.
Driven by a powerful 11 kW, 4-pole motor on a 415 V three-phase supply, this pump draws 22.5 Amps. It delivers exceptional performance with a maximum flow rate of 2430 L/Min and a maximum head of 28 m. This immense output, combined with the high torque of the 4-pole motor, allows it to effortlessly transport massive volumes of heavy mining slurry.
To combat severe abrasion, this model features a semi-open impeller cast from high-chromium iron. A ductile cast iron agitator vigorously suspends settled sand and mud, feeding it through the 20mm solids passage. The 100mm side discharge and spiral casing provide a wide, smooth exit path, minimizing internal friction and wear.
Weighing a substantial 217 kg, the cast iron body is a fortress of durability. It includes a motor cooling water jacket that allows for safe, continuous operation even when the pump is drawing air. The mechanical integrity is maintained by dual inside SiC seals, an OIL LIFTER, and a built-in Circle Thermal Protector.
FEATURES
- The semi-open impeller is cast from premium high-chromium iron to survive the severe abrasion of mining slurries.
- Powered by an 11 kW motor to rapidly evacuate huge volumes of water, sand, and mud from deep excavations.
- Vigorously breaks up settled minerals and sediment, creating a pumpable suspension that prevents intake blockages.
- Circulates fluid around the motor frame, enabling continuous, safe operation even during extended dry-run periods.
- Housed in a clean oil chamber to provide the ultimate watertight barrier against harsh, abrasive environments.
- The side discharge casing is engineered to facilitate the smooth, low-friction passage of thick, solid-laden fluids.
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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