# Pressure Systems Safety Regulations (Northern Ireland) 2004, Paragraph 5

Extent: N.I.

Any pipeline and its protective devices in which the pressure does not exceed 2 bar above atmospheric pressure (or 2·7 bar above atmospheric pressure if the normal pressure does not exceed 2 bar and the overpressure is caused solely by the operation of a protective device).

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Source: https://www.legislation.gov.uk/nisr/2004/222/schedule/1/paragraph/5 (the official version)
Page: https://openlegislation.uk/pressure-systems-safety-regulations-northern-ireland-2004/schedule-1/paragraph-5
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.