Norm

NEN-EN 12178:2016 Ontw. en

Koelsystemen en warmtepompen - Vloeistofniveau-indicatoren - Eisen, beproeving en merken

23,50

Over deze norm

Status Ontwerp
Aantal pagina's 16
Commissie Koelinstallaties en warmtepompen
Gepubliceerd op 01-04-2016
Taal Engels
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 separators) 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.

Details

ICS-code 27.080
27.200
Nederlandse titel Koelsystemen en warmtepompen - Vloeistofniveau-indicatoren - Eisen, beproeving en merken
Engelse titel Refrigerating systems and heat pumps - Liquid level indicating devices - Requirements, testing and marking
Vervangt
Normatieve verwijzingen
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