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    • Grundfos DME 940-4AR Composite Leak Detection Digital Dosing Pump for Water Treatment with Variable Stroke Speed
    • Grundfos DME 940-4AR Composite Leak Detection Digital Dosing Pump for Water Treatment with Variable Stroke Speed

    Grundfos DME 940-4AR Composite Leak Detection Digital Dosing Pump for Water Treatment with Variable Stroke Speed

    Vendor: Grundfos Type: Dosing Pumps
    SKU: 96528905
    Regular Price $16,878.84 AUD
    Including GST Shipping calculated at checkout.
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    Handling highly aggressive media at high volumes in water treatment and large scale industrial plants requires the increased hydraulic capacity of this PVDF configuration. This DME AR unit is intended for users who need to move up to 940 litres per hour with the maximum possible material compatibility to ensure consistent dosing accuracy in heavy industrial service.

    The system is driven by a 240 W motor operating on 240v, delivering a maximum dosing capacity of 940 L/h at a 4 bar maximum operating pressure. It achieves an 800:1 turn-down ratio, enabling the system to precisely scale down to a minimum flow of 1.18 L/h without losing the accuracy of the volumetric output during bulk transfer duties.

    The electronically controlled motor with variable stroke speed provides smooth and continuous dosing with reduced pulsation across the operating range. The inclusion of a diaphragm leak detector and chemical pre-empty and empty level inputs prevents process interruptions, while the potential-free output relays provide immediate signalling for system alarms.

    Mechanical integrity is provided by a chemically resistant PVDF pump head and durable FKM gaskets paired with glass ball valves suitable for aggressive media. The unit includes integrated connectivity for process integration, is housed in a robust IP65 enclosure, and handles liquid temperatures up to 45°C (PVDF).

    FEATURES

    • AR control variant with manual, pulse and analog 0/4-20mA operation and alarm relay.
    • Diaphragm leak detector and pre-empty/empty level inputs for system protection.
    • 800:1 turn-down ratio from 940 L/h down to 1.18 L/h for precise control.
    • Electronically controlled motor with variable stroke speed for smooth and continuous dosing.
    • PVDF pump head and FKM gaskets for resistance against aggressive chemicals.
    • Digital control panel with operating display for configuration and monitoring.
    • IP65 rated enclosure protects internal electronics in industrial installations.
    • Rp 1 1/4" threaded ports for high-capacity system integration.
    SPECIFICATIONS
    Specification Name Specification Value
    Pump Type Digital Dosing Pump
    Max Flow 15.66 L/Min
    Max Head 40 m
    Pump Power 0.24 kW / 240v
    Rated Current 2.4-1.0 Amps
    Suitable For Industrial Chemical Transfer
    Pump Body PVDF
    Liquid Temperature Maximum 45°C
    Inlet Size 32 mm
    Outlet Size 32 mm
    Warranty 2 Year
    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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