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Sleeve-guided single-seat regulating valves
公稱通徑DN20，公稱壓力CL1500，安全等級2級，依據(jù)華龍一號技術(shù)要求設(shè)計研發(fā)，滿足ASME QME-1鑒定要求，具有滿足苛刻的工況使用的要求，可用作第三代核電技術(shù)的核電站。
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