Fugitive Emission Testing

 
FlowBiz follow an API 641 & ISO 15848-1:2015 standard specifically relevant for quarter-turn valves. This standard applies to all stem seal materials, defines a stringent maximum allowable leakage of 100 parts per million by volume (ppmv), and utilizes methane as a testing media and EPI Method 21 to measure emissions. It’s important to note that the U.S. Environmental Protection Agency (EPA) only recognizes API 641 emission testing.
 
Fugitive emission tests for valves are used to test and evaluate the integrity of the external leakage valve stem seals (or shafts) and body joints of isolating valves and control valves, intended for the application in volatile air pollutants and hazardous fluids.
 
FlowBiz Valves packings are suitable for use at service temperatures –29 °C to 538 °C (–20 °F to 1000 °F). Factors affecting fugitive emissions performance that is considered by this standard include temperature, pressure, thermal cycling and mechanical cycling and corrosion.
 
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