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Where intermittent suction conditions and larger liquid volumes are encountered, the Calpeda AM 50-125B provides dependable self-priming centrifugal transfer performance for drainage, irrigation, and utility water handling systems. The pump supports clean and slightly dirty liquids while maintaining automatic suction restoration after pipeline draining.
Hydraulic capacity reaches 30 m³/h maximum flow with discharge head extending to 15.5 m, supporting efficient liquid movement across medium-pressure utility applications. The 240V single-phase motor delivers 1.1 kW rated output power and 7.4 A rated current, supporting stable 2900 rpm operation for continuous transfer requirements.
Circulation is managed through an open cast iron impeller capable of handling suspended solids up to 10 mm without excessive internal restriction. During restart, the self-priming hydraulic arrangement automatically restores suction performance, mitigating operational delays caused by temporary air entry within the intake piping.
Structural durability is supported by cast iron casing, lantern bracket, impeller, and cylindrical suction body components. The motor assembly features built-in thermal overload protection, IP54 enclosure rating, and class F insulation, while carbon ceramic mechanical seal faces with NBR elastomers support shaft sealing stability. Allowable liquid temperatures range from -10°C to 90°C with working pressure capability up to 6 bar.
FEATURES- Integrated self-priming system assisting automatic suction recovery operation
- Open cast iron impeller supporting passage of suspended solids up to 10 mm
- 50 mm threaded inlet and outlet hydraulic connections
- Anti-siphon functionality helping retain prime between working cycles
- Close-coupled centrifugal structure simplifying installation layout
- Carbon ceramic shaft sealing arrangement with NBR elastomer components
- Single-phase induction motor with built-in thermal overload protection system
- Class F insulated motor enclosure with IP54 environmental protection rating
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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