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Higher-pressure clean water circulation applications can utilize the Calpeda NMX 25/120A where compact centrifugal construction and corrosion-resistant hydraulic materials are required. The pump combines a close-coupled motor arrangement with AISI 304 stainless steel hydraulic components, supporting reliable handling of clean liquids that are non-aggressive toward stainless steel materials. Its configuration is suitable for industrial utility circulation, irrigation support systems, service water transfer, and continuous-duty process water movement where installation space is limited.
Hydraulic capability extends to a maximum head of 35.3 m with flow rates reaching 9.6 m³/h. The hydraulic section is powered by a three-phase 400V induction motor rated at 1.5 kW and operating at 4.3 A under rated conditions. Operating speed remains approximately 2900 rpm through a two-pole motor configuration, contributing to stable pressure development and balanced hydraulic transfer during prolonged operating cycles. Threaded suction and discharge ports manufactured to ISO 228/1 standards simplify integration into compact circulation pipe systems.
Clean liquid movement is supported through a closed impeller arrangement engineered for controlled hydraulic transfer and stable operating performance. 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 motor and hydraulic section are directly coupled, alignment requirements are minimized while installation and servicing access remain simplified in confined operating environments.
Mechanical sealing incorporates ceramic alumina and carbon seal faces combined with EPDM elastomer components for dependable sealing support. The pump is suitable for liquid temperatures from -10°C to +90°C with maximum permissible working pressure up to 10 bar. Motor construction includes class F insulation together with IP54 enclosure protection for continuous-duty utility operation. 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 400V 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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