The British Compressed Gases Association (BCGA) has issued an updated revision of its Code of Practice 35 (COP35) – Filling ratios and developed pressures for liquefied compressed gases.
The Code of Practice offers updated information about the filling ratios that are applicable when filling gas cylinders with liquefiable gases for transport within the UK.
The document outlines that the liquid portion of the gas cannot occupy more than 97% of the total volume of the receptacle at the filling ratio reference temperature and that the receptacle cannot be liquid full at a temperature 5°C greater than the filling ratio reference temperature.
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