The maximum allowable working pressure of a noncode steel or wrought iron heating boiler of welding construction may not exceed fifteen pounds [103 kilopascals]. For other than steam service,the maximum allowable working pressure must be calculated in accordance with section IV of the American Society of Mechanical Engineers Code.
N.D. Admin Code 33.1-14-09-03
General Authority: NDCC 23.1-16
Law Implemented: NDCC 23.1-16