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To address civil, domestic, and industrial fluid delivery challenges, the Calpeda MXSM 303 close-coupled multi-stage submersible pump features a functional design. This pump is designed for domestic pressure boosting, civil water supply, and rainwater storage projects. The unit is suitable for vertical installations inside wells with a minimum internal diameter of 140 mm.
Constructed from AISI 304 chrome-nickel stainless steel, the pump housing surrounds internal components. The close-coupled impeller configuration, with an impeller diameter that is not specified in provided sources, processes solids up to a maximum diameter of 2 mm. Net product weight is not specified in provided sources and operates in liquids with a maximum temperature up to 35°C.
The 0.45 kW motor operates on a 240 V electrical supply with a rated current of 3.5 Amps. The pump achieves a maximum total head of 29.5 m and a maximum flow rate capacity of 75 L/Min through a 32 mm discharge outlet.
Electrical insulation is provided by Class F winding insulation with an IP X8 liquid enclosure rating for continuous immersion. The pump allows installation depths up to 20 meters below the fluid surface. Double shaft seals with an intermediate oil chamber containing non-toxic lubrication oil provide fluid containment, and the built-in capacitor is accessible through the delivery casing.
Features
- The power cable H07RN8-F features a length of exactly 15 meters and incorporates an electrical plug CEI-UNEL 47166.
- A double mechanical seal is integrated with intermediate lubrication oil.
- The upper mechanical seal features carbon, steatite, and NBR materials.
- The lower mechanical seal contains silicon carbide, carbon, and NBR construction.
- The shaft seal lubrication utilizes non-toxic oil specified for pharmaceutical and food applications.
- The induction motor configuration is rated for continuous duty operation.
- The internal engineering design integrates exactly 3 impellers.
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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