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Heavy-duty aquatic filtration systems demand strong hydraulic circulation performance together with dependable debris handling capability during uninterrupted operating cycles. The Calpeda B-NMP 50/12D is engineered for these demanding environments using an assisted priming centrifugal configuration combined with integrated filtration protection for large-scale clean water recirculation applications.
Powered by a three-phase 400V motor, the pump develops flow rates up to 1400 L/Min while producing a maximum head of 18 m from the first operating point after zero flow. Its 3 kW motor output supports high-capacity commercial pool filtration systems, large recirculation loops, and continuous aquatic transfer installations where elevated flow performance and stable hydraulic pressure are required.
The hydraulic section incorporates a chrome-plated brass impeller together with a removable basket strainer featuring Ø3 mm perforations to assist in preventing suspended particles from entering the impeller chamber. The assisted priming arrangement improves suction recovery during intermittent operation while maintaining smooth hydraulic circulation behaviour throughout extended filtration service cycles.
Bronze construction across the pump casing and lantern bracket improves corrosion resistance in chemically treated aquatic environments and continuous moisture exposure conditions. The close-coupled motor configuration minimizes installation complexity, while the Carbon/Ceramic/FPM mechanical seal, Class F insulation system, and IPX4 enclosure protection contribute to dependable continuous-duty operational reliability.
FEATURES- Assisted priming centrifugal hydraulic configuration for heavy-duty recirculation service
- Integrated removable basket strainer with Ø3 mm perforated filtration section
- Chrome-plated brass impeller engineered for high-capacity hydraulic circulation
- Bronze casing and lantern bracket construction for corrosion-resistant operation
- Compact close-coupled assembly minimizing alignment and installation requirements
- Carbon/Ceramic/FPM mechanical seal arrangement for prolonged filtration duty
- Two-pole 2900 rpm induction motor supporting stable high-volume operation
- Class F insulated motor with IPX4 protection for aquatic installation environments
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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