PRV Studies
Our company specializes in energy loss surveys (steam traps, steam leaks, air leaks, etc...). We use ultrasonic equipment and can locate your leaks while your plant is in operation. Our pressure relief valve survey consists of the following:
- Location of the valve leaks: We have ultrasonic equipment which will detect even the smallest of leaks. We can locate your leaks under normal operating conditions.
- Tagging: Upon detection, the leak is tagged with a numbered metal tag. Beside each tag, we hang a 12"-14" piece of fluorescent orange engineers flagging. This makes your leaks easy to locate.
- Computer printout (Excel spreadsheet): Upon completion of the survey, you will receive an email with the following information: valve leaking, location of leak, tag number.
The function of a pressure relief valve is to protect pressure vessels, piping systems, and other equipment from pressures exceeding their design pressure by more than a fixed predetermined amount. A pressure relief valve must be capable of operating at all times, especially during a period of power failure; therefore, the sole source of power for the pressure relief valve is the process fluid.
DEFINITION OF PRV
Pressure relief valve (PRV) is a type of valve used to control or limit the pressure in a system or vessel which can build up for a process upset, instrument or equipment failure, or fire. The pressure is relieved by allowing the pressurized fluid to flow from an auxiliary passage out of the system. The relief valve is designed or set to open at a predetermined set pressure to protect pressure vessels and other equipment from being subjected to pressures that exceed their design limits. When the set pressure is exceeded, the relief valve becomes the "path of least resistance" as the valve is forced open and a portion of the fluid is diverted through the auxiliary route.
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