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手動(dòng)法蘭式蝶閥|SD43F手動(dòng)法蘭式伸縮蝶閥

BD343H法蘭式硬密封保溫蝶閥DN50 80 125

D941F電動(dòng)法蘭襯氟碟閥|聚四氟乙烯襯里蝶閥|電動(dòng)蝶閥

D371X蝸輪對(duì)夾式軟密封蝶閥|對(duì)夾式蝶閥|蝸輪蝶閥

D71X對(duì)夾軟密封蝶閥|軟密封蝶閥|對(duì)夾蝶閥

法蘭BD341H蝶閥|BD341H法蘭保溫蝶閥

對(duì)夾式D73H蝶閥|D73H對(duì)夾式硬密封蝶閥

D671X氣動(dòng)對(duì)夾軟密封蝶閥DN125 35 50 60

D341X蝸輪法蘭蝶閥|法蘭蝶閥|蝸輪蝶閥

凸耳式密封蝶閥|D373H美標(biāo)凸耳式雙向密封蝶閥

D341X加長桿法蘭蝶閥DN15-250

美標(biāo)蝶閥|D315W美標(biāo)蝶閥

D343H-16C法蘭多層次硬密封蝶閥|硬密封蝶閥|法蘭蝶閥

電動(dòng)通風(fēng)蝶閥|D941W電動(dòng)法蘭通風(fēng)蝶閥

D73H型手柄對(duì)夾式蝶閥|手柄蝶閥|對(duì)夾式蝶閥

硬密封蝶閥|D363H對(duì)焊式硬密封蝶閥

D673HD643H氣動(dòng)多層次金屬硬密封蝶閥|硬密封蝶閥|氣動(dòng)蝶閥

法蘭彈性蝶閥|D343H彈性金屬密封法蘭蝶閥

D373H彈性金屬密封對(duì)夾蝶閥DN65 120

WBGX(D372X)蝸輪傳動(dòng)對(duì)夾式單偏心蝶閥|對(duì)夾式蝸輪傳動(dòng)蝶閥

WBLX(D72X)手動(dòng)對(duì)夾式軟密封蝶閥DN100 125

對(duì)夾多層次蝶閥|D373H多層次三偏心金屬密封對(duì)夾蝶閥

D71XD371X對(duì)夾式橡膠封蝶閥|橡膠蝶閥|對(duì)夾式蝶閥

D371J蝸輪對(duì)夾襯膠蝶閥|對(duì)夾蝶閥|蝸輪蝶閥