HER220A-DMSJ12G5A-92NN,HER210A-DM,HER210A-DH,HER210A-EM,高性能法兰安装式差压变送器

ANSI/JPI 300测试压力：7.7MPa 测试流体氮气 滞留时间10分钟









HER210A-EH,HER210A-FM,HER210A-FH,HER220A-DM,HER220A-DH,HER220A-EM,
HER220A-EH,HER220A-FM,HER220A-FH,

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