閥門 進(jìn)口閥門 上?？甸y進(jìn)口球閥 高壓球閥 不銹鋼球閥 法蘭球閥上海康閥球閥系列：進(jìn)口球閥,球閥Q41F-16，電動(dòng)球閥Q941-16C，高壓電動(dòng)球閥Q941H-160，氣動(dòng)球閥Q641H-16C，氣動(dòng)高壓球閥Q641N-320，日標(biāo)球閥Q41H-10K，德標(biāo)球閥Q41F-16，美標(biāo)球閥Q41H-150Lb，日標(biāo)不銹鋼球閥20K，美標(biāo)不銹鋼球閥Q41F-16P，高溫球閥Q41H-16P，高壓球閥Q41W-160，黃銅球閥Q41T-16T，鑄鐵球閥Q41F-16Z，碳鋼球閥Q41H-16C，鑄鋼球閥Q41H-16C，鍛鋼球閥Q41H-16C，不銹鋼球閥Q41H-16P，鉻鉬鋼球閥Q41Y-16I，絲口球閥Q11F-16，法蘭球閥Q41F-16，氧氣球閥QY347F-16，真空球閥NKQ41H-16，API磅級(jí)球閥，高壓對(duì)焊球閥Q61Y-320，傘齒輪球閥Q541H-25，氨用球閥Q41B-16，保溫球閥BQ41W-16，襯氟塑料球閥Q41F-16，液化氣球閥Q41N-16，天然氣球閥Q41N-16，41系列浮動(dòng)球閥Q41F-16，金屬硬密封球閥Q41H-25。