DIN EN 16631:2013-07

This document specifies the requirements for the retesting, reconditioning and certification of Pressure Relief Valves for LPG pressure vessels covered under the scope of EN 14129. This standard applies to retesting and reconditioning of pressure relief valves that are carried out in a workshop and does not apply to site adjustment of installed pressure relief valves. Annex a is an informative annex detailing a sampling approach for pressure relief valve requalification which shall only be used in case of on-site requalification of series produced pressure vessels fitted with series produced pressure relief valves.