§ 53.05-1 — -1 Safety Valve Requirements For Steam Boilers (modifies Hg-400 And Hg-401)

(a) The pressure relief valve requirements and the safety valve requirements for steam boilers must be as indicated in HG-400 and HG-401 of Section IV of the ASME BPVC (incorporated by reference; see § 53.01-1) except as noted otherwise in this section.

(b) Each steam boiler must have at least one safety valve.