Minnesota Administrative Rules
Agency 105 - Agriculture Department
Chapter 1513 - ANHYDROUS AMMONIA
SYSTEMS USING STATIONARY, PIER-MOUNTED, OR SKID-MOUNTED ABOVEGROUND OR UNDERGROUND, NONREFRIGERATED STORAGE
Part 1513.0440 - TANK VALVES, ACCESSORIES, FILL PIPES, AND DISCHARGE PIPES
Universal Citation: MN Rules 1513.0440
Current through Register Vol. 49, No. 13, September 23, 2024
Subpart 1. Shut-off valves.
Shut-off valves must be:
A. provided for all connections except those
with a No. 54 (0.055 inch) drill size restriction, plugs, pressure relief
valves, and thermometer wells; and
B. located as close to the tank as
practical.
Subp. 2. Check valve.
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.
Subp. 3. Refrigerated containers.
A refrigerated container must be equipped with an approved liquid level gauging device and high liquid level alarm.
Statutory Authority: MS s 18C.121
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