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Cooling and service liquid transfer layouts can benefit from the Calpeda NMXM 25/90A, a close-coupled centrifugal pump developed for clean liquids that are non-aggressive toward stainless steel materials. The hydraulic assembly is manufactured in AISI 304 stainless steel and supports domestic, civil, garden, irrigation, and industrial utility applications where compact installation and corrosion-resistant construction are important. Its single-phase motor configuration allows operation from standard 230V supply while maintaining continuous-duty performance characteristics.
Hydraulic capability extends to a maximum head of 28.2 m with flow rates reaching 6.6 m³/h. The motor develops 1.1 kW rated output with maximum power input of 1.5 kW while operating at 7 A under 230V single-phase supply conditions. A two-pole induction motor operating near 2900 rpm supports stable pressure generation and controlled flow transfer across varying operating demand. Threaded suction and discharge ports in ISO 228/1 configuration simplify integration into compact pipework systems.
Flow movement is managed through a closed impeller arrangement engineered for smooth hydraulic transfer with clean, non-abrasive liquids. The close-coupled motor and hydraulic layout minimizes alignment requirements and reduces overall installation footprint compared with separately coupled assemblies. Stainless steel casing, shaft, impeller, and casing cover components contribute to corrosion resistance and long-term hydraulic consistency during extended operating periods.
Mechanical sealing uses ceramic alumina and carbon seal faces combined with EPDM elastomer components. Operating capability covers liquid temperatures from -10°C to +90°C with maximum permissible working pressure up to 10 bar. The motor assembly incorporates class F insulation and IP54 protection, while the integrated thermal protector used on NMXM single-phase models supports additional operating safety. Approximate unit weight for this model is 13.6 kg according to the technical data sheet.
FEATURES- Single-phase 230V close-coupled centrifugal pump configuration
- Closed impeller hydraulic design for stable clean liquid transfer
- AISI 304 stainless steel casing, shaft, impeller, and casing cover
- ISO 228/1 threaded suction and discharge connection arrangement
- Ceramic alumina and carbon mechanical seal face combination
- EPDM elastomer support components for sealing stability
- Two-pole induction motor operating at approximately 2900 rpm
- Integrated thermal protector with IP54 motor enclosure 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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