Oregon Administrative Rules
Chapter 918 - DEPARTMENT OF CONSUMER AND BUSINESS SERVICES, BUILDING CODES DIVISION
Division 225 - BOILERS AND PRESSURE VESSELS
Section 918-225-0370 - Coil-Type Water Boilers
Current through Register Vol. 63, No. 9, September 1, 2024
Coil-type water boilers, where the water can flash into steam when released directly to the atmosphere through a manually operated nozzle, are exempt from ORS 480.510 to 480.665 if the following conditions are met:
(1) There is no drum, header, or other steam space;
(2) No steam is generated within the coil;
(3) Tubing outside diameter does not exceed one inch;
(4) Pipe size does not exceed NPS 3/4;
(5) Nominal water capacity does not exceed six gallons;
(6) Water temperature does not exceed 350° F.;
(7) Adequate safety relief valves and controls are provided.
Stat. Auth.: ORS 480.560
Stats. Implemented: ORS 480.560