StacksVerified U.S. regulatory reference

46 CFR §56.50-45

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
  1. (a)A main circulating pump and emergency means for circulating water through the main condenser must be provided. The emergency means may consist of a connection from an independent power pump fitted between the main circulating pump and the condenser.
  2. (b)Independent sea suctions must be provided for the main circulating and the emergency circulating pumps.
  3. (c)A cross connection between the circulating pumps in the case of multiple units will be acceptable in lieu of an independent power pump connection.