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EN 12953-9:2007 Standard

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  Keywords:

#safety #defined #needs #directive #equipment

This standard is superseded by:
  •   EN 12953-9:2024
  •   Directive

    Pressure equipment Directive (2014/68/EU)

      Last Official Journal reference

    Friday 2nd of October 2026

      Description:

    Shell boilers - Part 9: Requirements for limiting devices of the boiler and accessories

      Purpose

    This European Standard specifies requirements for limiters (or limiting devices) which are incorporated into safety systems for shell boilers as defined in EN 12953-1. A limiter (or limiting device) can be either: - a safety accessory as defined in the Pressure Equipment Directive, Article 1, clause 2.1.3, and needs to include the safety logic and final actuator, or - one element of a safety system, for example, a self-monitoring water level sensor used as part of a safety accessory as defined in the Pressure Equipment Directive, Article 1, clause 2.1.3. The overall boiler protection function needs to be provided in association with additional safety logic (where appropriate) and a final actuator.

      Publication

    Tuesday 19th of July 2016

      Cessation

    This standard will be withdrawn on 2028-04-02

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