炮金銅升桿式明桿閘閥 UL/FM FIG.473U-炮金銅升桿式閘閥 FIREPROTECTIONGATEVALVE ULListedFMApproved,Outsidescrewandyoke,Solidwedgedisc,Threadedends. 零件PART 材質(zhì)MATERIAL 閥體BODY CASTBRONZE 閥蓋BONNET CASTBRONZE 閥桿STEM BRASS 閥盤DISC CASTBRONZE 緊迫PACKING GRAPHITE 尺寸 1/2 3/4 1 1 1/4 1 1/2 2 L 59 61 73 79 84 90 H 128 145 163 189 213 248 H1 146 167 192 226 259 304 D 15.8 20 25 32 40 50 注：?jiǎn)挝籱m 標(biāo)稱壓力 試驗(yàn)壓力(水壓) NominalPressures:175PSI 閥體 閥座 25kgf/cm2 25kgf/cm2