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High-volume swimming pool filtration systems require stable recirculation performance together with efficient handling of suspended particles during continuous operating cycles. The Calpeda B-NMP 50/12H is engineered for these demanding duties using an integrated priming centrifugal hydraulic configuration combined with internal debris filtration for clean and slightly contaminated water applications.
Driven by a three-phase 415V motor, the pump delivers flow rates up to 900 L/Min while generating a maximum head of 9 m from the first operating point after zero flow. The 1.1 kW rated output power is suited to large-capacity pool circulation systems, filtration loops, and aquatic recirculation installations where high-flow hydraulic transfer is prioritized over elevated pressure requirements.
The hydraulic section incorporates a chrome-plated brass impeller together with a removable basket strainer featuring Ø3 mm perforations to assist with suspended solids separation before liquid enters the impeller chamber. Its integrated priming arrangement supports smooth suction recovery performance and stable hydraulic circulation during extended filtration and recirculation duty cycles.
Bronze construction throughout the pump casing and lantern bracket improves resistance to corrosion in chemically treated aquatic environments and continuous moisture exposure conditions. The close-coupled motor arrangement simplifies installation requirements, while the Carbon/Ceramic/FPM mechanical seal, IPX4 motor protection, and Class F insulation system contribute to dependable long-term service operation.
FEATURES- Integrated priming centrifugal hydraulic system designed for high-flow recirculation duty
- Internal removable basket strainer with Ø3 mm perforated filtration section
- Chrome-plated brass impeller supporting large-volume hydraulic circulation
- Bronze casing and lantern bracket construction for corrosion-resistant operation
- Close-coupled motor assembly reducing installation footprint and alignment complexity
- Carbon/Ceramic/FPM mechanical seal arrangement for continuous filtration service
- Two-pole 2900 rpm induction motor engineered for stable recirculation operation
- Class F insulated motor with IPX4 enclosure protection for aquatic installations
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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