炮金铜升杆式明杆闸阀 UL/FM FIG.473U-炮金铜升杆式闸阀 FIREPROTECTIONGATEVALVE ULListedFMApproved,Outsidescrewandyoke,Solidwedgedisc,Threadedends. 零件PART 材质MATERIAL 阀体BODY CASTBRONZE 阀盖BONNET CASTBRONZE 阀杆STEM BRASS 阀盘DISC CASTBRONZE 紧迫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：单位mm 标称压力 试验压力(水压) NominalPressures:175PSI 阀体 阀座 25kgf/cm2 25kgf/cm2