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The 80 DF 51.5 pumping unit is part of the Model DF submersible range. Intended applications include sewage and wastewater installations containing soft solids and fibrous matter. This unit is suitable for guide discharge connector systems and standard freestanding installations. It is suitable for guide rail auto-coupling and standard freestanding installations.
Materials of construction include a Cast Iron casing, cast iron upper bracket, and cast iron semi-open impeller, with SUS403 stainless steel shaft. The pump incorporates a semi-open type impeller with a nominal size of 80 mm. The pump is suitable for liquids containing soft solids and fibrous materials. The net weight of this pumping unit is 55 kg. The pump is rated for a maximum liquid temperature of 40°C.
A motor rated at 1.5 kW operates this unit using a three-phase 415v power connection. The motor draws a nominal current of 3.9 Amps. Performance testing shows a maximum head limit of 9.3 metres and a peak flow capacity of 930 L/Min at the 80 mm discharge flange.
The motor stator features Class F insulation windings housed inside an IP68 rated enclosure. Maximum submergence is specified up to 8 metres deep. Shaft containment is provided by a dual silicon carbide mechanical seal system in an oil reservoir. The pump incorporates a chrysalis shaped suction port and semi-open impeller cutting action.
Features
- Supplied with a 10 metre power cable of type H07RN-F.
- Equipped with a quick-acting dual response overload protector.
- The suction port has a chrysalis shape to assist waste entry.
- Four-pole motor provides operation at 1430 RPM.
- Shaft material is SUS403 stainless steel for corrosion resistance.
- Shaft seal is lubricated with turbine oil in the oil chamber.
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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