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Wastewater management, construction, and industrial processing facilities require pumps that combine high flow rates with effective solids chopping for loaded wastewater streams. The Zenit CTG 750/4/100 is a 5.5 kW submersible impeller chopper pump featuring a high-efficiency open-channel hydraulic system with Vortex capabilities and hard-wearing active chopper cutting blades. The unit is suitable for a wide range of heavy-duty applications including wastewater management, agriculture, construction, and industrial processing.
Maximum head for this model is 20.0 metres with a maximum flow of 2982 L/Min, powered by a 415V three-phase motor drawing 11.5 Amps. The 5.5 kW motor provides consistent performance across the operating range, with Class H insulation and IP68 ingress protection. These performance characteristics suit high-volume applications requiring significant flow capability with moderate head requirements.
Hydraulic design incorporates an open channel impeller with cutting system, with the impeller manufactured from Cast Iron EN-GJS 600. The active chopper cutting system processes solids before they enter the impeller, with a free passage of 36 mm for processed material. Hydraulic efficiency is rated at 70%, with suction and discharge configurations of DN 150 (undrilled) and DN 100 respectively.
Construction features a Cast Iron EN-GJL 250 casing with bi-epoxy 200 ?m sea water resistant coating. The shaft is stainless steel AISI 431, and sealing uses two mechanical seals in silicon carbide (2SiC). Motor protection includes thermal protection and a leakage sensor. Cable length is 10 metres with 4G1,5+3x1 configuration, and the unit weighs 149.2 kg. An accessory (code 9024.091) is required for installation.
FEATURES
- Open channel impeller with cutting system for solids chopping
- Cast Iron EN-GJS 600 impeller material for durability
- Double silicon carbide mechanical seals for reliable containment
- Stainless steel AISI 431 shaft for corrosion resistance
- Bi-epoxy 200 ?m sea water resistant coating on all cast iron
- Hydraulic efficiency of 70% for optimised performance
- Maximum starts per hour: 20
- Requires accessory code 9024.091 for installation
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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