61:08:09:21Hydrostatic pretest -- Feed water pipe
Section · Administrative Rules of South Dakota · View on sdlegislature.gov ↗
requirements. The feed water pipe of a boiler must be provided with a check valve; however, there must be a stop valve between the boiler and the check valve. Both of those valves must be located as close as practicable to the boiler.
Source: 23 SDR 139, effective March 5, 1997.