應(yīng)用規(guī)范：兩片式結(jié)構(gòu)、全通徑設(shè)計(jì)（除DN200規(guī)格外）產(chǎn)品設(shè)計(jì)按GB/T15185標(biāo)準(zhǔn)結(jié)構(gòu)長(zhǎng)度按JB1686標(biāo)準(zhǔn)法蘭連接按JB78標(biāo)準(zhǔn)壓力試驗(yàn)按GB/T13927標(biāo)準(zhǔn)壓力溫度額定值按GB/T17241