Oklahoma Administrative Code
Title 380 - Department of Labor
Chapter 25 - Boiler and Pressure Vessel Rules
Subchapter 3 - Administration
Section 380:25-3-25 - Safety appliances
Current through Vol. 41, No. 13, March 15, 2024
(a) No person shall attempt to remove or do any work on any safety appliance prescribed by this Chapter while the appliance is subject to pressure unless otherwise provided for by applicable codes.
(b) Should any of these appliances be removed for repair during an outage of a boiler or pressure vessel, they must be reinstalled and in proper working order before the object is again placed in service.
(c) No person shall alter any safety valves or safety relief valves or pressure relief devices in any manner to maintain a working pressure in excess of that stated on the boiler or pressure vessel inspection certificate.
(d) Repair of safety or safety relief valves shall be made only by an organization which holds a valid Certificate of Authorization for use of the National Board "VR" Safety or Safety Relief Valve Repair symbol stamp, or at a properly equipped safety relief valve testing facility, by the valve manufacturer or by the owner if he has facilities acceptable to this jurisdiction.
