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國標(biāo)常開式氣動(dòng)隔膜閥G6K41J-10

高壓鍛鋼截止閥J41H-16C 鍛鋼高壓截止閥J41H-16C

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高溫高壓電站截止閥J61H-160C 電站截止閥J61H-160C

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英標(biāo)常閉式氣動(dòng)隔膜閥EG6B41J-10

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