# The Fishing Vessels (Safety Provisions) Rules 1975, Paragraph 7


The charge and the air space above the level of the solution in the body shall be so regulated that the maximum pressure in the extinguisher when put into action, with all outlets closed, does not exceed 19 kilogrammes force per square centimetre with the solution at a temperature of 38°C.

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Source: https://www.legislation.gov.uk/uksi/1975/330/schedule/20/paragraph/7 (the official version)
Page: https://openlegislation.uk/fishing-vessels-safety-provisions-rules-1975/schedule-20/paragraph-7
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.