Safety accessories exclusively manufactured and put on the market for specific pressure equipment or assemblies covered by Article 4 paragraph 3 of the PED shall not bear the CE marking under the PED (but see Note 2).
Furthermore, safety accessories exclusively intended for equipment not covered by the PED are also not covered by the PED.
Also safety accessories covered by the PED and assessed by a user inspectorate shall not bear the CE marking.
Note 1:
The specific use shall be clearly mentioned by the manufacturer of the safety accessory in the instructions.
Note 2:
This does not forbid the use of a CE-marked safety accessory on an Article 4 paragraph 3 equipment.