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Higher-capacity liquid transfer duties involving clean or slightly dirty water can be handled by the Calpeda B-A 50-125A through its self-priming centrifugal hydraulic configuration. The pump is suited to installations where intermittent suction conditions or partially emptied suction lines may occur during shutdown periods.
Maximum hydraulic flow reaches 33 m³/h while discharge head extends to 19.5 m, supporting elevated transfer performance across moderate-pressure service and utility applications. Power is delivered through a three-phase 415V induction motor producing 1.5 kW rated output power with rated current of 4.3 A and operating speed near 2900 rpm.
An open bronze impeller maintains unrestricted hydraulic circulation while allowing suspended solids up to 10 mm to pass during operation. The self-priming chamber arrangement assists evacuation of air from the suction system during startup, supporting recovery of pumping action without manual repriming after temporary interruption.
Hydraulic components including the casing, impeller, cylindrical suction section, and lantern bracket are manufactured in bronze for compatibility with liquids suited to bronze hydraulic materials. Mechanical sealing relies on carbon ceramic faces with NBR elastomer elements, while the motor assembly incorporates class F insulation and IP54 protection. Operating temperatures from -10°C to 90°C are supported alongside maximum working pressure up to 6 bar.
FEATURES- Self-priming centrifugal hydraulic configuration supporting automatic suction recovery
- Open bronze impeller geometry assisting passage of suspended solids up to 10 mm
- Bronze hydraulic components across major wetted pump sections
- 50 mm threaded suction and discharge port arrangement
- Close-coupled structural layout minimizing mechanical installation requirements
- Carbon ceramic mechanical seal assembly with NBR elastomer support components
- Three-phase induction motor engineered for continuous-duty operation
- IP54 protected motor enclosure combined with class F thermal insulation
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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