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JST's 3" External S Seal passed the PR2 test
Further to the 13" S Seal PR2 test in Dec. 2021, JST conducted and passed the 3" external S seal PR2 test, LU, 10K Psi, as per API 6A Annex F, 21st edition, with the witness by third party BV from 16th May to 24th May.
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