RING-10K FIG.064-鑄鐵球型閥 CAST IRON GLOBE VALVE Bolted Yoke-bonnet,Swivel disc,Renewable bronze body seat ring,Flanged ends. 零件 PART 材質(zhì) MATERIAL 閥體 BODY CAST IRON 閥蓋 BONNET CAST IRON 閥桿 STEM SUS410 閥盤 DISC CAST IRON 座環(huán) SEAT RING CAST BRONZE 格蘭 GLAND CAST IRON 迫緊 PACKING ASBESTOS 手輪 HANDWHEEL CAST IRON