StacksVerified U.S. regulatory reference

46 CFR §53.05-5

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
The discharge capacities and valve markings must be as indicated in HG-402 of Section IV of the ASME BPVC (incorporated by reference; see § 53.01-1). The discharge capacities must be certified by the National Board of Boiler and Pressure Vessel Inspectors.