Next Day Delivery

Nationwide Service & Maintenance Depots

24/7 365 Support

Next Day Delivery

Nationwide Service & Maintenance Depots

24/7 365 Support

Llangollen Canal


Llangollen Canal is a popular boating branch of the Shropshire Union Canal which is fed from the river Dee. In two places, Chirk and Whitehouse, the canal travels underground through a long tunnel before approaching the network’s greatest feat of engineering, the Pontcysyllte Aqueduct.

    As part of a construction programme the Canal and River Trust closed both the Chirk and Whitehouse Tunnel whilst sections of deteriorated brickwork below the water level were repaired.

    Water within the Llangollen Canal naturally flows at a high rate, requiring over pumping for the duration of the closure whilst the repair took place. Pump Supplies engineers installed two sets of over pumping to pass forward the flows through each of the tunnels. Pumps were installed to pump at a rate of 35 mega litres per day (equivalent to 405 l/s) over a distance of 450 metres through the Chirk Tunnel and 230 metres through the Whitehouse Tunnel.

    As the volumes of water being passed forward had to match exactly, Pump Supplies installed pumps which were driven by variable speed drives with digital flow meters on each line to balance the volumes being pumped. In addition to the pumps, Pump Supplies also installed an additional set of over pumping in the basin of the canal at Hurleston Junction nearby passing forward 20 mega litres of water over a distance of 370 metres.

    The overpumping systems were in place for the entire duration of the project, operating continuously with no issues or downtime.

    No.1 for Pump Hire in The UK

    Why Choose Pump Supplies

    Next Day Delivery

    24/7 Support

    Open 365 Days 

    Experienced Staff

    One Stop Shop

    Largest Pump Fleet

    Port Talbot (Head Office)


    01639 895815

    Llewellyn's Quay
    The Docks
    Port Talbot
    SA13 1RF


    Central & South East England

    01452 726999

    Unit 1
    The Old Airfield
    Moreton Valence
    GL2 7NG


    Northern England & Scotland

    01606 86 3343

    Browning Way
    Woodford Park Industrial Estate
    CW7 2RH


    South West England

    01208 78 440

    11 Normandy Way
    Walker Lines Industrial Estate
    PL31 1EU



    (0)53 915 9802

    Old Town Lane

    Contact Your Experts at Pump Supplies

    Simply fill in the form below and we'll get back to you as soon as possible to discuss your requirements.

    Contact Us