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    • Grundfos SE1.85.150.110.4.52H.N.51D.A.T Cast Iron Sewage Pump for Wastewater Handling with S-Tube Impeller
    • Grundfos SE1.85.150.110.4.52H.N.51D.A.T Cast Iron Sewage Pump for Wastewater Handling with S-Tube Impeller

    Grundfos SE1.85.150.110.4.52H.N.51D.A.T Cast Iron Sewage Pump for Wastewater Handling with S-Tube Impeller

    SKU: 99776078
    Regular Price $18,360.67 AUD
    Including GST Shipping calculated at checkout.
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    Designed for municipal wastewater applications, the SE1.85.150.110.4.52H.N.51D.A.T Submersible Wastewater Pump combines robust cast iron construction with reliable hydraulic performance. This assembly is built for intensive duty in subsurface collection pits, handling contaminated fluids within a liquid temperature range of 10°C to 40°C. Maintaining consistent throughput is critical for treatment plants and lift stations prone to significant fluid ingress. This unit addresses the need for durable liquid movement where performance must remain stable across varying environmental demands and ambient temperatures from -20°C to 40°C.

    Performance is delivered by an 11 kW four-pole motor on a 415v three-phase supply, producing a rated current of 22 Amps. The pump generates a maximum flow of 4986 L/min and reaches a maximum head of 21 m for efficient evacuation of municipal wastewater and sewage. The unit utilizes a star-delta starting method to manage peak electrical loads and operates at a rated speed of 1481 rpm. Power is distributed through a 15-metre power cable to facilitate installation in deep collection pits and subsurface infrastructure across large-scale municipal complexes.

    The centrifugal hydraulic system utilizes a high-efficiency S-TUBE impeller to manage solids in suspension up to 85 mm. This configuration provides superior clog resistance and ensures reliable wastewater transfer without the risk of internal contact or blockages. By utilizing an S-TUBE design, the pump maintains consistent efficiency over thousands of service hours in aggressive environments. This hydraulic setup is specifically intended for municipal wastewater transfer where maintaining flow without interruption is a critical priority for system reliability and maintenance.

    Mechanical integrity is reinforced by a cast iron pump body with an IP68 enclosure rating for immersion up to 20 m deep. Motor protection is provided by a double mechanical shaft seal featuring silicon carbide faces in an oil bath, ensuring the motor remains protected from liquid ingress. This model includes internal moisture sensors and thermistors for real-time monitoring of the Class H insulated motor assembly. Standard DN 150 connections are used for both inlet and outlet to ensure compatibility with standardized municipal wastewater and civil drainage pipework.

    Features

    • S-TUBE impeller configuration ensures efficient solids handling up to 85 mm and reduces the risk of internal blockages.
    • Heavy-duty cast iron housing and motor shell provide the structural durability needed for deep submerged installations.
    • Double mechanical shaft seal with silicon carbide faces ensures the 11 kW motor remains protected from contaminated liquid.
    • Class H insulated motor assembly includes integrated thermistors and moisture sensors for proactive monitoring.
    • Four-pole motor configuration operating at 1481 rpm provides the torque required for municipal wastewater collection.
    • DN 150 inlet and DN 150 outlet ports allow for standardized integration into municipal wastewater pipework.
    • Integrated cooling jacket supports operational integrity in both dry and submerged mounting configurations.
    SPECIFICATIONS
    Specification Name Specification Value
    Pump Type Submersible Wastewater Pumps
    Max Flow 4986 L/Min
    Max Head 21 m
    Pump Power 11 kW / 415v
    Rated Current 22 Amps
    Suitable For Municipal Wastewater
    Pump Body Cast iron
    Liquid Temperature 10°C to 40°C
    Inlet Size 150 mm
    Outlet Size 150 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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