型號(hào):WJ41H | 口徑:1.6MPa/4.0MPa | 壓力:15~200mm | 材質(zhì):鑄鋼、不銹鋼 | ||
產(chǎn)品引用標(biāo)準(zhǔn) :● WJ41H型截止閥對(duì)焊口標(biāo)準(zhǔn):GB12224 Butt-welding:GB12224 ● 制造標(biāo)準(zhǔn):GB12234 ● 結(jié)構(gòu)長(zhǎng)度:GB12221 ● 法蘭標(biāo)準(zhǔn):JB79 Flange:JB79 ● 試驗(yàn)標(biāo)準(zhǔn):GB13927 Test:GB13927 |