In recent years, concerns have been raised regarding incidents resulting from leaked gas due to a known weakness in the current Type 21 ‘POL’ cylinder valve. After considerable consultation, Standards Australia have published AS/NSZ 5601.1:2013 Amendment 4 and AS/NSZ 5601.2:2020 which include a change from the current Type 21 ‘POL’ connection on a LPG cylinder to a new safer leisure cylinder connection (LCC27). The standards refer to this as the Type 27 connection.
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