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Self-priming filtration performance for swimming pool recirculation systems is provided by the Calpeda NMP 50/12D, particularly in installations where uninterrupted hydraulic recovery is important after shutdown or maintenance cycles. The pump is intended for clean or lightly contaminated water service within continuous filtration applications.
Hydraulic performance extends to 750 L/min maximum flow while discharge head reaches 10 m depending on system operating conditions. The unit operates through a three-phase 400V induction motor delivering 0.75 kW output power and maintaining rotational speed close to 2900 rpm.
The hydraulic section incorporates a chrome-plated brass impeller developed for stable recirculation behaviour across the NMP 50/12 series. Suction lift capability up to 7 m is supported through the self-priming centrifugal arrangement, while a built-in strainer basket with 3 mm perforations assists protection against larger suspended particles entering the pump internals.
Structural components including the casing and lantern bracket are manufactured from cataphoresis-coated cast iron for durability during prolonged filtration service. Shaft sealing is handled through carbon ceramic mechanical seal faces with FPM elastomer support materials, while the motor assembly incorporates class F insulation together with IPX4 enclosure protection. Maximum water temperature is rated up to 60°C with permissible working pressure up to 6 bar.
FEATURES- Self-priming centrifugal pump arrangement developed for pool filtration duty
- Integrated filter basket with 3 mm perforated debris retention openings
- Chrome-plated brass impeller matched to NMP 50/12 hydraulics
- Cataphoresis-coated cast iron casing and lantern bracket construction
- Close-coupled hydraulic structure minimizing installation complexity
- Carbon ceramic sealing arrangement with FPM elastomer materials
- Three-phase induction motor operating at approximately 2900 rpm
- IPX4 protected motor enclosure with class F insulation system
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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