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EN 12953-9:2007 Standard

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  Keywords:

#safety #defined #needs #directive #equipment

  Directive

Pressure equipment Directive (2014/68/EU)

  Last Official Journal reference

Friday 14th of September 2018

  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

Friday 14th of September 2018

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