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BidSonar is an independent index of public-sector opportunities. We aggregate data from official sources and are not affiliated with any procurement body. Data is licensed under the Open Government Licence v3.0 and the EU TED reuse notice.

    ContractsRadiation-Tolerant NAMUR Inductive Sensors for Nuclear Operations
    Awarded contract

    Radiation-Tolerant NAMUR Inductive Sensors for Nuclear Operations

    Awarded
    £489.2k
    Published 16 Jun 2026

    Procurement of approximately 1,224 radiation-hardened NAMUR inductive sensors meeting ATEX, SIL certification, and independent radiation tolerance testing requirements for nuclear facility operations.

    🇬🇧United Kingdom· EnglandPublished 16 Jun 2026· 1 months agoviaFind a Tender
    Awarded
    £489.2k
    Published 16 Jun 2026

    Decision brief

    4 fields
    • Contract value
      £489,180
      Pounds sterling
    • Closing date
      Rolling
      No closing date published
    • Sector
      Energy & Utilities
      Browse related listings
    • Location
      🇬🇧United Kingdom
      England

    Suppliers

    1 supplier
    • TB
      Turck Banner Ltd
    Lead contractor

    Lifecycle

    Awarded

    Contract awarded. Originally published 1 months ago.

    16 June 2026
    Awarded — no open tender advertised

    Brief

    Sellafield Limited seeks to procure approximately 1,224 radiation-tolerant NAMUR two-wire inductive sensors for use in nuclear facilities. Sensors must be independently tested to withstand radiation exposure of 1 x 10⁶ Gray and meet stringent safety and performance standards. Key specifications include: 18mm diameter with threaded barrel and M18 x 1mm locknuts; flush fitting; DC 2-wire operation at nominal 8.2 VDC per EN 60947-5-6 (NAMUR standard); 5-10mm nominal switching distance; maximum sensor head length of 65mm; fitted electrical lead (minimum 2 metres, not M12 connector); ATEX Category II certification for gas (Zone 0) and dust (Zone 20) environments; SIL2 Low Demand Mode and SIL3 All Demand Mode certification; and IP67 protection class. Suppliers must provide an initial test batch of minimum 11 sensors manufactured from the same semiconductor component production batch for third-party radiation tolerance testing. Upon successful testing approval, the remaining order will be manufactured from the same component reel. A custom product part number is required. Quality Grade 04 applies to test sensors; Quality Grade 03 applies to production sensors.

    Track record

    1 award · 1 winner
    Thin record

    Only 1 prior award here — too little to read.

    In defence security, SELLAFIELD LTD has awarded 1 contract to 1 supplier.

    Who wins here
    1. Turck Banner Ltd1× · 100%

    Across defence security, the most active winners are AXON PUBLIC SAFETY UK LIMITED, Lion Laboratories Ltd, DRGER SAFETY AG CO KGAA — the field to beat, or your route in as a partner.

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    Take action
    View on sourceFind a Tender

    Award notice and full record on the publisher's site

    Publisher
    UK Cabinet Office
    Licence
    OGL v3.0
    Source
    find-tender.service.gov.uk
    Record ID
    ocds-h6vhtk-069809
    SE
    Buyer
    SELLAFIELD LTD
    Sector
    Energy & Utilities