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http://dx.doi.org/10.7842/kigas.2018.22.6.16

Development of Performance Test Procedure for the Excess Flow Valve for Buried Piping for the Domestic LPG Mass Supply System  

Jang, Chanyeong (Institute of Gas Safety R&D, Korea Gas Safety Corporation)
Lee, Ugwiyeon (Institute of Gas Safety R&D, Korea Gas Safety Corporation)
Lee, Jinhan (Institute of Gas Safety R&D, Korea Gas Safety Corporation)
Publication Information
Journal of the Korean Institute of Gas / v.22, no.6, 2018 , pp. 16-27 More about this Journal
Abstract
Since 2014, the Korean government has begun distributing LPG pipelines and LPG tankers to mountainous or island areas where it is difficult to open urban gas supply chains. When installing LPG supply facilities at village level and county level, it supplied consumers with 10 times higher quasi-low pressure (25 kPa to 100 kPa) than conventional gas supply pressure, increasing the risk of gas accident. Due to the pressure that is 10 times higher than the conventional gas supply pressure, large amounts of gas are released at a faster rate when leaked. In order to secure safety of quasi-low-pressure gas pipes, excess flow valves for quasi-low-pressure gas pipes are not developed and are not supplied in Korea. Therefore, Korea Gas Safety Corporation is investigating the performance standards and products of the excess flow valves in order to localize the excess flow valves.
Keywords
excess flow valve; LPG; burial pipe;
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