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Medium-volume liquid movement involving emulsions or lightly contaminated fluids is supported by the Calpeda CM 4/1 through its centrifugal open-impeller hydraulic arrangement. Utility service installations and auxiliary circulation systems can benefit from its combination of unrestricted liquid passage and increased transfer capacity.
Flow handling capability reaches 15 m³/h with discharge head extending to 15.6 m, supporting balanced liquid circulation across medium-capacity hydraulic operating systems. The pump is driven through a 230V single-phase induction motor utilizing 0.78 kW maximum input power with operating current of 4.5 A while maintaining rotational speed near 2900 rpm.
Inside the hydraulic section, suspended particles up to 4 mm can pass through the open impeller arrangement without excessive restriction to liquid movement. The centrifugal flow path assists dependable circulation characteristics while handling moderately dirty liquids under varying operating loads.
Cast iron manufacture across the casing and lantern bracket assembly contributes structural durability during operating duty. Carbon ceramic mechanical seal faces combined with NBR elastomer support components manage shaft sealing operation, while the motor assembly incorporates capacitor-start operation, built-in thermal protection, class F insulation, and IP54 enclosure protection. Operating capability supports liquid temperatures ranging from -10°C to 90°C with working pressure capability up to 6 bar.
FEATURES- Open centrifugal impeller supporting unrestricted medium-volume liquid circulation
- Hydraulic passage suitable for suspended solids handling up to 4 mm
- Close-coupled motor and pump structure minimizing installation requirements
- Single-phase induction motor configured for 230V operating supply conditions
- Capacitor-start motor arrangement with integrated thermal protection
- Carbon ceramic sealing faces with NBR elastomer support materials
- IP54 enclosure protection assisting environmental operating durability
- Class F insulated motor construction supporting stable thermal operation
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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