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Filling stock troughs across larger properties where 415V power is already available is the job of the CJ750-DW57-20. This large-port injector configuration uses 50 mm suction and 40 mm discharge pipework to minimise friction at higher flow rates, suiting larger agricultural operations requiring both volume and efficiency.
At 10 m suction it delivers 130 L/Min, with head reaching 52 m as flow reduces. The three-phase 1.5 kW / 415V motor draws 3.5 Amps per phase — considerably less current per line than an equivalent single-phase unit — supporting demanding transfer duties with efficient operation.
The thermoplastic DW57-20 injector sits down the bore rather than at the pump. It resists salt, hardness and iron, with a smooth internal bore that keeps turbulence low at higher flow rates. The jet and venturi are matched to bore yield. An optional Offset Flange (101431, 1½ x 1½ inch female thread) allows installation away from the bore to access water above flood level or closer to electricity.
The pump features a cast iron body, stainless steel shaft, double race bearings and a carbon ceramic mechanical seal. The TEFC motor includes thermal overload protection and handles liquid temperatures up to 65°C. Supplied with the WK-CJ30-50 water kit assembled and glued, including a 35 litre tank with 11.7 litre draw-off. A 2-year warranty is standard; loss-of-prime switch optional.
FEATURES
- DW57-20 injector with 50 mm suction and 40 mm discharge pipework.
- Three-phase 1.5 kW / 415V motor draws 3.5 Amps per phase.
- Thermoplastic injector tolerates salt, hard water and iron.
- Smooth injector bore reduces turbulence at high flow rates.
- No moving parts or electricity down the bore.
- Jet and venturi matched to available groundwater yield.
- Cast iron pump body with stainless steel motor shaft.
- Double race bearings with carbon ceramic mechanical seal.
- TEFC motor with thermal overload protection.
- Suitable for liquid temperatures up to 65°C.
- WK-CJ30-50 water kit supplied assembled and glued.
- Includes pressure gauge, brass 5-way tee, gate valve and stainless steel barrel union.
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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