Type Testing of Rising Stem Valves Equipped with Graphite Packing for Fugitive Emissions
Includes ERRATA 1, MAY 2023 and ERRATA 2, MAY 2025
This standard specifies the requirements and acceptance criteria (100 ppmv) for fugitive emission type testing of rising and rising-rotating stem valves equipped with packing previously tested in accordance with API 622. Packing shall be suitable for use at service temperatures –29 °C to 538 °C (–20 °F to 1000 °F). The type testing requirements contained herein are based upon elements of EPA Method 21. Valves larger than NPS 24 or valves greater than class 1500 are outside the scope of this standard.
Currently Viewing
Expand Your Knowledge and Unlock Your Learning Potential - Your One-Stop Source for Information!
© Copyright 2024 BSB Edge Private Limited.