View all text of Subpart 52.20 [§ 52.20-1 - § 52.20-25]
§ 52.20-1 - General (modifies PFT-1 through PFT-49).
Firetube boilers and parts thereof must be as indicated in PFT-1 through PFT-49 of Section I of the ASME BPVC (incorporated by reference; see § 52.01-1) except as noted otherwise in this subpart.