詳細介紹 FIG.066N鑄鐵緩沖式逆止閥相關產(chǎn)品 產(chǎn)品介紹 JIS-10K FIG.066N-鑄鐵緩沖式逆止閥 CAST IRON SILENT CHECK VALVE Renewable body & disc seat rings,Leader disc,Prevention water hammer. 零件 PART 材質(zhì) MATERIAL 閥體 BODY CAST IRON (FC20) 閥盤 DISC CAST BRASS(YBSC3)2"~3" DUCTILE IRON(FCD45)4"~12" 閥座 BODY SEAT CAST BRASS (YBSC3) 閥座環(huán) SEAT RING NBR 閥桿 STEM BRASS (B16)