詳細介紹 FIG.073U鑄鐵升桿式閘閥相關(guān)產(chǎn)品 產(chǎn)品介紹 UL/FM FIG.073U 鑄鐵升桿式閘閥 FIRE PROTECTION GATE VALVE UL Listed FM Approved, Outside screw and yoke, Solid wedge disc. 零件 PART 材質(zhì) MATERIAL 閥體 BODY CAST IRON 閥蓋 BONNET CAST IRON 閥盤 DISC CAST IRON 閥座環(huán) SEAT RING CAST BRONZE 閥桿 STEM STAINLESS STEEL
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