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Continuous storage tank refill applications require stable water movement together with dependable self-priming capability during varying suction conditions. The Calpeda NGX 4/22 is configured for storage tank refill duties, high-flow clean water transfer, and irrigation supply applications operating from above-ground installations.
The pump delivers flow rates up to 140 L/Min with maximum head reaching 34.8 m, supporting efficient water movement across tank circulation systems, washing arrangements, and pressure-assisted transfer duties. A built-in ejector system assists automatic priming performance while maintaining suction lift capability up to 9 m during shallow-well operation.
To improve hydraulic stability during continuous-duty operation, Calpeda incorporates an exclusive diffuser geometry together with an integrated flow control device that helps reduce turbulence and lower operational noise. Internal air evacuation around the mechanical seal also assists in minimizing seal stress caused by temporary abnormal suction conditions.
AISI 304 stainless steel construction across both the casing and casing cover supports corrosion resistance for demanding clean water duties, while the brass impeller contributes to durable hydraulic efficiency under higher-flow operating conditions. Compact close-coupled construction also simplifies installation where available space is restricted.
The three-phase motor operates on 400V power supply with IP54 enclosure protection and Class F insulation. Continuous-duty operation is suitable for liquid temperatures up to 35°C with maximum permissible casing pressure reaching 8 bar.
FEATURES- Built-in ejector supporting rapid self-priming operation
- Suitable for storage tank refill and transfer duties
- Up to 9 m suction lift capability
- Brass impeller supporting durable hydraulic efficiency
- AISI 304 stainless steel casing and casing cover
- Exclusive diffuser geometry assisting stable hydraulic flow
- Integrated flow control device helping reduce operational noise
- Internal air evacuation system improving seal reliability
- Compact close-coupled configuration simplifying installation
- Three-phase motor with IP54 protection and Class F insulation
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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