上海閥(fa)(fa)(fa)盛閥(fa)(fa)(fa)門(men)制造有限公(gong)司主要(yao)生產法(fa)(fa)(fa)蘭(lan)式(shi)(shi)(shi)(shi)金屬硬(ying)(ying)密(mi)封(feng)(feng)蝶(die)(die)(die)(die)閥(fa)(fa)(fa)，可提供法(fa)(fa)(fa)蘭(lan)式(shi)(shi)(shi)(shi)金屬硬(ying)(ying)密(mi)封(feng)(feng)蝶(die)(die)(die)(die)閥(fa)(fa)(fa)價格，法(fa)(fa)(fa)蘭(lan)式(shi)(shi)(shi)(shi)金屬硬(ying)(ying)密(mi)封(feng)(feng)蝶(die)(die)(die)(die)閥(fa)(fa)(fa)說明(ming)書，法(fa)(fa)(fa)蘭(lan)式(shi)(shi)(shi)(shi)金屬硬(ying)(ying)密(mi)封(feng)(feng)蝶(die)(die)(die)(die)閥(fa)(fa)(fa)實物圖(tu)(tu)，法(fa)(fa)(fa)蘭(lan)式(shi)(shi)(shi)(shi)金屬硬(ying)(ying)密(mi)封(feng)(feng)蝶(die)(die)(die)(die)閥(fa)(fa)(fa)結構圖(tu)(tu)，法(fa)(fa)(fa)蘭(lan)式(shi)(shi)(shi)(shi)金屬硬(ying)(ying)密(mi)封(feng)(feng)蝶(die)(die)(die)(die)閥(fa)(fa)(fa)外形尺寸，法(fa)(fa)(fa)蘭(lan)式(shi)(shi)(shi)(shi)金屬硬(ying)(ying)密(mi)封(feng)(feng)蝶(die)(die)(die)(die)閥(fa)(fa)(fa)執行標準(zhun)，法(fa)(fa)(fa)蘭(lan)式(shi)(shi)(shi)(shi)金屬硬(ying)(ying)密(mi)封(feng)(feng)蝶(die)(die)(die)(die)閥(fa)(fa)(fa)工作(zuo)原理(li)，法(fa)(fa)(fa)蘭(lan)式(shi)(shi)(shi)(shi)金屬硬(ying)(ying)密(mi)封(feng)(feng)蝶(die)(die)(die)(die)閥(fa)(fa)(fa)作(zuo)用(yong)特點(dian)。

法蘭式(shi)金屬(shu)硬密封蝶閥技術參數(shu)：