Follow the CE Regulation – PED
Cylindrical and Plate Tank (4 holes)
Tank equipped with a pressure relief valve

And above all, you must carry out the following MANDATORY Checks, during the life of the trolley:

Have a tracking book for each tank
Carry out a Periodic Visit every 40 months
Carry out a Periodic Requalification every 10 years
Comply with the destruction procedure, if discarded
Follow the product transfer procedure if the container is emptied before repair
Check the validity date of the hoses!