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Cooling circuits, utility transfer lines, and clean water circulation systems can utilize the Calpeda NMX 25/90A where compact centrifugal construction and stainless steel hydraulic components are required. The pump uses a close-coupled configuration that reduces installation footprint while supporting operation with clean liquids that are non-aggressive toward AISI 304 stainless steel materials. Its hydraulic layout is suitable for industrial utility circulation, service water movement, irrigation support, and process transfer applications.
The hydraulic section develops maximum head up to 28.2 m while supporting flow rates reaching 6.6 m³/h. Power is supplied through a three-phase 415V induction motor delivering 1.1 kW rated output power with operating current of 2.6 A. A two-pole motor arrangement operating near 2900 rpm contributes to controlled pressure generation and stable hydraulic performance.
Clean liquid movement is managed through a closed impeller arrangement developed for controlled hydraulic transfer and stable operating characteristics. Stainless steel construction is used across the casing, impeller, shaft, and casing cover, helping maintain corrosion resistance and hydraulic consistency throughout extended service operation. Because the hydraulic section is directly coupled to the motor shaft, alignment requirements are minimized and installation remains simplified in confined mechanical environments.
Ceramic alumina and carbon seal faces operate together with EPDM elastomer components for reliable mechanical sealing during operation. Liquid temperatures from -10°C to +90°C are supported alongside maximum permissible casing pressure up to 10 bar. Class F motor insulation together with IP54 enclosure protection supports dependable operation in industrial and utility circulation conditions. The inlet connection size is G 1 1/4 while the outlet connection size is G 1.
FEATURES- Higher-head centrifugal hydraulic configuration for continuous clean water circulation
- Direct-coupled motor and pump arrangement reducing alignment complexity
- Closed impeller design supporting stable pressure generation characteristics
- AISI 304 stainless steel hydraulic assembly including casing, shaft, and impeller
- ISO 228/1 threaded hydraulic connections for simplified installation into utility pipework
- Ceramic alumina and carbon mechanical seal arrangement with EPDM elastomer support
- Two-pole induction motor operating near 2900 rpm under three-phase 415V supply
- IP54 protected motor enclosure with class F insulation for continuous-duty service
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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