Minnesota Administrative Rules
Agency 151 - Labor and Industry Department
Chapter 5225 - BOILERS AND BOATS
BOILER SAFETY
Part 5225.4200 - WATER GAGE

Universal Citation: MN Rules 5225.4200
Current through Register Vol. 48, No. 39, March 25, 2024

When the boiler operating pressure exceeds 100 pounds per square inch, the water gage glass must be fitted with either a gate-type or plug-type valved drain to a safe discharge point.

If the lowest water gage shutoff valve is more than seven feet above the floor or platform from which it is operated, the operating mechanism must indicate by its position whether the valve is opened or closed. Installation must meet the requirements of Section I of the American Society of Mechanical Engineers Boiler and Pressure Vessel Code for high pressure boilers or Section IV for low pressure boilers.

Statutory Authority: MS s 175.171; 183.42; 183.44; 183.465; 183.466; 183.54; 326B.958; 326B.964; 326B.966; 326B.982

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