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EN 12178:2016 Standard

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  Keywords:

#standard #pressure #european #indicators #applies

  Directive

Pressure equipment Directive (2014/68/EU)

  Last Official Journal reference

Friday 14th of September 2018

  Description:

Refrigerating systems and heat pumps - Liquid level indicating devices - Requirements, testing and marking

  Purpose

This European Standard specifies safety requirements, safety factors, test methods, test pressures and marking of liquid level indicating devices, referred to throughout this standard as level indicators, for use in refrigerating systems and heat pumps. It applies to devices connected to refrigerant vessels (e.g. on high-pressure liquid receivers, intercoolers and low-pressure receivers) and to devices connected to other parts of a refrigerating system (e.g. oil-level sight glasses on a compressor). This European Standard applies to those types of level indicators that are direct and indirect reading devices (e.g. sight glasses, frosting tubes), and includes electrical and pneumatic indicators. This European Standard describes the procedure to be followed when designing (by calculation or by an experimental design method) level indicator parts subjected to pressure as well as the criteria to be used for the selection of materials. This European Standard applies to the design of level indicators with respect to pressure containment and describes methods by which the reduced impact values at lower temperatures may be taken into account in a safe manner. It also gives guidance on some aspects of application and installation.

  Publication

Friday 14th of September 2018

  Reference

This standard superseed the "EN 12178:2003".

Anyway is still possible use the "EN 12178:2003" until September 14th, 2018

  Related Standards

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EN 12953-3:2016

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EN 12953-5:2002

Pressure equipment Directive (2014/68/EU)

Shell boilers - Part 5: Inspection during construction, documentation and marking of pressure parts of the boiler

EN 12953-6:2011

Pressure equipment Directive (2014/68/EU)

Shell Boilers - Part 6: Requirements for equipment for the boiler

EN 12953-7:2002

Pressure equipment Directive (2014/68/EU)

Shell boilers - Part 7 : Requirements for firing systems for liquid and gaseous fuels for the boilers

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