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Subject to certain exclusions, the Pressure Equipment (Safety) Regulations 2016 (PE(S)R) make it an offence for a 'responsible person' to place on the market, put into service or otherwise supply pressure equipment and assemblies above 0.5 bar unless they:

Pressure equipment and assemblies within the scope of PE(S)R yet below specified pressure x volume thresholds must:

The responsible person

The 'responsible person' is defined in PE(S)R as the manufacturer or their authorised representative. Where neither the manufacturer nor their authorised representative is established within the UK, the 'responsible person' is the person who places the pressure equipment on the market or puts it into service.


The regulations do not apply to equipment and assemblies:

Further information

Frequently asked questions for manufacturer or suppliers



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Updated: 2021-08-23