氧氣截止閥
型號(hào):YJ41W | 口徑:15~400mm | 壓力:2.5MPa | 材質(zhì):鑄鋼、不銹鋼 |
設(shè)計(jì)與制造標(biāo)準(zhǔn): ● 設(shè)計(jì)與制造:GB12235 ● YJ41W型截止閥法蘭尺寸按:GB9113 ● 結(jié)構(gòu)長(zhǎng)度:GB12221 ● 檢驗(yàn)與實(shí)驗(yàn):GB/T13927 |
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