Shut-off valves must be:
provided for all connections except those with a No. 54 (0.055 inch) drill size restriction, plugs, pressure relief valves, and thermometer wells; and
A check valve must be installed on the fill connection, if located below the maximum liquid level, and a remotely operated shut-off valve on other connections located below the maximum liquid level according to part 1513.0200, subpart 8.
A refrigerated container must be equipped with an approved liquid level gauging device and high liquid level alarm.
MS s 18C.121
21 SR 277
September 10, 2007
Official Publication of the State of Minnesota
Revisor of Statutes