GESTRA BK 35 Instructions De Montage Et De Mise En Service page 10

Important Safety Note
Use steam trap BK 35 only for the discharge of condensate from steam
lines. Installation must only be performed by qualified staff.
Qualified staff are those persons who – through adequate training in
engineering, the use and application of equipment in accordance with
regulations concerning steam systems, and first aid & accident
prevention – have achieved a recognised level of competence
appropriate to the installation and commissioning of this device.