The PED Category calculator for fired steam boiler or otherwise heated pressure equipment is a useful tool to calculate the category. Once the category is determined, the conformity assessment module can be selected.

Note 1: Unheated vessels or pipes with temperatures > 110° C are not covered by Table 5 for the category determination.

Note 2: Fired or otherwise heated vessels or piping with the risk of overheating that are intended for generation of steam or super-heated water at maximum allowable temperatures TS > 110° C are covered by table 5 .