Piped compressed gas systems attached to gas cylinders - typical system layout

Written Scheme of Examination for piped gas pressure systems attached to compressed gas cylinders

In common with other pressure systems, which fall within the scope of the Pressure Systems Safety Regulations 2000 (PSSR) (SI 2000/128) requires a competent person to write / underwrite the Written Scheme of Examination for these systems. However, given the difficulty in carrying out a meaningful examination of key components of this type of system, the management of piped compressed gas systems attached to pressure vessels is based on routine inspection, testing and exchange of high pressure components.

Inspection Requirements for items associated with gas delivery (gas regulators are dealt with separately)