Pressure relief devices
N.D. Cent. Code § 4.1-37-07
in effect4.1-37-07. Pressure relief devices
Bulk storage containers constructed according to the American society of mechanical
engineers code, and all nurse tanks, must be equipped with pressure relief valves constructed
according to the American society of mechanical engineers code and capacity certified by the
national board of boiler and pressure vessel inspectors. A pressure relief valve using
nonmetallic seats must be replaced every five years with a new valve meeting the standards
specified in this section. A pressure relief valve using metallic seats must be tested, and
repaired if deemed necessary, every five years in lieu of replacement. Repairs deemed
necessary must be made by the valve manufacturer or by a safety valve repair organization
having a valid "VR" certificate of authorization for the repairs from the national board of boiler
and pressure vessel inspectors.
Source: Open US Law by Vaquill AI (CC BY 4.0)URL: https://ndlegis.gov/cencode/t04-1c37.pdf#nameddest=4p1-37-07Fetched: 10/16/2026