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In aggregate and site drainage, the heavy-duty Tsurumi KRS43.7 handles drainage applications in quarry operations and excavation dewatering. It is suitable for water containing sand and small particulate matter. This cast iron pump operates reliably under continuous site running.
This model features a hydraulic performance characterized by a maximum head of approximately 11.0 m and a maximum flow volume of approximately 2,080 L/Min. Powered by a three-phase, approximately 3.7 kW induction motor, the pump incorporates an approximately 100 mm discharge outlet for bulk liquid transfer.
The KRS43.7 features the pump features a ductile cast iron semi-open impeller designed to resist abrasive wear from suspended sand and aggregate. This semi-open design maintains its operational balance and dewatering performance over long running periods. It supports the smooth passage of minor sand and sediment deposits.
The mechanical construction comprises a heavy gray cast iron casing and motor frame. A dry-type induction motor includes an automatic circle thermal protector that reacts to overcurrent or high motor heat. Double silicon carbide mechanical seals are located in an isolated oil chamber containing a turbine oil lubricant and the Tsurumi-patented Oil Lifter. Capillary water ingress is prevented by an anti-wicking cable entry block.
FEATURES
- Features a heavy gray cast iron casing and motor frame provide high durability for site dewatering.
- Incorporates a ductile cast iron semi-open impeller offers wear resistance against abrasive sand.
- Utilizes a low-speed 4-pole motor running at 1500 rpm reduces wear and extends service life.
- Designed with a top discharge, side flow layout maintains cooling when operating exposed to air.
- Equipped with a dual inside mechanical seals with silicon carbide faces housed in turbine oil.
- Includes a anti-wicking cable connection block stops capillary moisture ingress into motor windings.
- Uses a patented Oil Lifter delivers continuous lubrication and cooling down to one-third oil level. Heavy-duty construction provides long-lasting service life.
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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