61:08:05:30Relief valves required with pressure reducing
Section · Administrative Rules of South Dakota · View on sdlegislature.gov ↗
valves. When a pressure reducing valve is used, one or more relief or safety valve shall be provided on the low pressure side of the reducing valve in case the piping or equipment on the low pressure side does not meet the requirements for full initial pressure.
Source: SL 1975, ch 16, § 1; 8 SDR 87, 8 SDR 134, effective July 1, 1982; 12 SDR 151, 12 SDR 155, effective July 1, 1986.