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    • Grundfos SE1.100.100.75.4.50B.B Cast Iron 4
    • Grundfos SE1.100.100.75.4.50B.B Cast Iron 4

    Grundfos SE1.100.100.75.4.50B.B Cast Iron 4" Submersible Drainage Pump for Plant Sewage with S-TUBE Impeller

    SKU: 96048448
    Regular Price $15,948.44 AUD
    Including GST Shipping calculated at checkout.
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    Analyzing advanced internal fluid velocity pathways accurately reveals the true extraction efficiency of modern industrial water management networks. Utilizing optimized hydraulic pathways, the Grundfos SE1.100.100.75.4.50B.B operates as a high-capacity non-self-priming, single-stage, centrifugal pump designed for handling wastewater, process water and unscreened raw sewage.

    Exceptional thermodynamic stability across the primary internal volute is actively governed by the revolutionary S-TUBE impeller layout, powerfully propelling heavy media seamlessly without the continuous risk of structural jamming. This sophisticated hydraulic engine actively prevents microscopic pressure warping, safely escorting immense fluid volumes through the extraction corridor without unnecessary friction.

    Supported by a meticulously calibrated 7.5 kW power plant securely wired to a strict 3-phase 415v electrical infrastructure, the heavy-duty unit easily produces an outstanding maximum head of approximately 18.6 m. Simultaneously, it actively manages an approximate maximum fluid flow metric of 4866 L/Min, shifting liquid smoothly between its asymmetrical 150 mm inlet and 100 mm exhaust connection ports.

    Recognizing the highly critical nature of commercial facility uptime, seasoned engineers integrated a fully liquidless, maintenance-free cooling network perfectly designed for versatile dry or flooded pit deployments. A highly intuitive stainless-steel clamp assembling framework decisively guarantees that on-site technicians can swiftly detach the primary motor to gain rapid component access without dismantling tools.

    Features

    • Secured by an IP68 standard enclosure housing specifically optimized to block external moisture penetration in flooded subterranean pits.
    • Safely supports continuous long-term deployments at a maximum certified installation depth measuring up to 12 m underground.
    • Features a heavy-duty 15 m Lyniflex power cable explicitly configured to secure versatile remote facility grid connections.
    • Maintains superior internal electromechanical integrity utilizing a certified premium Class F electrical insulation standard rating.
    • Manufactured with an overall substantial total machine weight measuring exactly 228 kg to drastically minimize operating vibration.
    • Rated to reliably operate internal shaft rotations at an exact operational speed of 1455 rpm under peak loading conditions.
    • Designed to safely perform up to 20 maximum mechanical starts per hour to optimize intense commercial fluid extraction cycles.
    SPECIFICATIONS
    Specification Name Specification Value
    Pump Type Submersible Wastewater Pumps
    Max Flow 4866 L/Min
    Max Head 18.6 m
    Pump Power 7.5 kW / 415v
    Rated Current 16.4 Amps
    Suitable For Heavy wastewater
    Pump Body Cast Iron
    Liquid Temperature Maximum 40°C
    Inlet Size 150 mm
    Outlet Size 100 mm
    Warranty 2 Years
    Documents
    Specification Sheet Download

    FAQs

    Find quick answers to common questions

    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.

    Can’t find your answer?

    Feel free to reach out to us!

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