NEN EN 12178 : 2016
Current
The latest, up-to-date edition.
REFRIGERATING SYSTEMS AND HEAT PUMPS - LIQUID LEVEL INDICATING DEVICES - REQUIREMENTS, TESTING AND MARKING
12-01-2013
Defines 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. Pertains 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).
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