Klargester Bypass Separator - NSBP004 - 2500M² Drainage Area

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Klargester Bypass Separator

Klargester Bypass Separator - NSBP004 - 2500M² Drainage Area

Product Ref: NSBP004

  • Weight: 180.000kg
  • Dimensions: L:1700mm
  • Diameter: 1350mm
  • Estimated Lead time 3-5 working days

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    Product Description

    Klargester NSBP004 Bypass Separator - 2500M² Drainage Area

    Bypass separators are used when it is considered an acceptable risk to not provide full treatment for very high flows, such as, where the risk of a large spillage and heavy rainfall occurring at the same time is small.

    Typical applications include surface carparks, roadways and lightly contaminated commercial areas.


    Product Benefits

    • Light and easy to install.
    • Inclusive of silt storage volume.
    • Fitted inlet/outlet connectors.
    • Vent points within necks.
    • Oil alarm system available (required by EN 858-1 and PPG3).
    • Extension access shafts for deep inverts.
    • Maintenance from ground level.
    • GRP or polyethylene construction (subject to model).


    Performance & Compliance

    • Fully compliant and tested to EN 858-1.
    • Bypass separators are tested by British Standards institute (BSI).
    • Certified flow and process performance assessing effluent qualities to the requirements of EN 858-1.
    • The unit is designed to treat the ‘first flush’ - 10% of peak flow. The calculated drainage areas served by each separator are indicated according to the formula given by PPG3 NSB = 0.0018A(m2).
    • Class I separators are designed to achieve a concentration of less than 5mg per litre.

    NSFP003 Specifications

    • Model Reference: NSBP004
    • Material: Polyethylene Chamber Construction
    • Flow (l/s): 4.5
    • Drainage Area (m2) PPG-3 (0.018): 2500
    • Storage Capacity (L) Silt: 450
    • Storage Capacity (L) Oil: 60
    • Length (mm): 1700
    • Diameter (mm): 1350
    • Manhole Cover Dimensions (mm): 600
    • Base Inlet Invert (mm): 1420
    • Base Outlet Invert (mm): 1320
    • Min Inlet Invert (mm): 500
    • Standard Pipework Diameter (mm): 160 (Larger pipework options available on request)

    Available with Smart Commissioning 

    Standard commissioning as scope of works, inc supplied and fitted (at point of commissioning) Kingspan Smartserv Pro GSM telemetry alarm for complete peace of mind. 

    Smartserv alerts both Kingspan and designated contacts.  Includes 3 years Kingspan monitoring free of charge.*

    *Kingspan monitoring is for alert only. 

    Service/maintenance packages are available at separate cost on request.



    Kingspan Klaregster Bypass Separators are delivered on a Flat bed Arctic lorry, however they require offloading by the customer. This entails the customer to acquire the right manpower and/or machinery to help unload the tank/s from the delivery vehicle.

    If you require assistance with offloading,  HIAB (lorry with a mounted crane to winch the tank off the delivery vehicle) delivery is available at an additional cost. Please contact us if this is required for delivery.


    Service and Maintenance

    It is essential that you ensure your separator is properly serviced and maintained to remain compliant with EN 858-1 standard and prevent pollution due to blockages. Kingspan’s service and maintenance packages have been developed using their expert knowledge of their separators to help keep your separator operating at optimal efficiency, therefore remaining non-polluting and compliant. Visit Kingspan Service or contact the Kingspan Team on 0818 543 500 or for more information on the packages available.



    Our shipping costs cover most of the UK - however, parts of England, Scottish Highlands and Islands including areas north of the Glasgow / Edinburgh border, Isle of Wight, Channel Islands, Isle of Man, Anglesey, Western Isles, Shetland Islands, Orkney Islands, Isles of Scilly, Northern Ireland and the Republic of Ireland may cost more.

    Please call before ordering if the delivery postcode is listed below. There may be additional shipping costs. AB, BT, CA, CT, DD, DG, EH, FK,G, GY, IM, IV, JE, KA, KW, KY, LD, LL, ML, PA, PH, PO 30-41 (Isle of Wight), SA, SY, TD, TN, TR, ZE Southern Ireland

    Our lead times should only be used as a guide and are subject to change.


    Unless a hi-ab delivery has been booked at additional cost, it is the customer's responsibility to offload with suitable equipment on the day of delivery and a failed delivery may result in additional charges.

    We recommend installers and/or plant hire & materials for install such as excavators, aggregates etc are not booked until you are in receipt of the goods. Tanks Direct cannot be held responsible for costs incurred due to unforeseen delays, please see our terms for more details.

    If you have any questions regarding your delivery please contact the Sales Team on 01643 703358.

    Returns Information

    Customers may return items within 14 calendar days (as per our Terms & Conditions) - refer to 4.6 & 4.7. **

    Please be aware that returning a tank can be complicated and expensive so please check that you are ordering the correct item (we suggest checking the dimensions very carefully).

    If you wish to return goods, please complete the form on this page to provide further information.

    Once your request is approved, a valid Returns Authorisation Number (RAN) will be issued to initiate the returns process along with information on how & where to return your order along with any costs involved.

    Please DO NOT return any goods without this authorisation. Goods cannot be accepted without this.

    Returns are not accepted at our Minehead Office, please wait until we contact you before returning any goods.

    Please click here to request a return

    Product Specification

    • Product Code: KLA

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