消防卡箍蝶阀  
             
         
         
             
             
                 
                     
                         
                         
                          
                         
 
 
                         
                             
                                 
                                       
                                 
                                 
                                       
                                       
                                     
                                     
                                         
                                             
                                                  
                                                              
                                                  主要零部件材料  
                                                 
                                                     
                                                         
                                                             序号 
                                                             名称 
                                                             国标标准 
                                                         
                                                         
                                                             1 
                                                             阀体 
                                                             球铁 
                                                             QT450-10 
                                                         
                                                         
                                                             2 
                                                             阀板 
                                                             球铁 
                                                             QT450-10 
                                                         
                                                         
                                                             3 
                                                             橡胶 
                                                             EPDM 
                                                               
                                                         
                                                         
                                                             4 
                                                             上轴 
                                                             不锈钢 
                                                             1Cr13 
                                                         
                                                         
                                                             5 
                                                             下轴 
                                                             不锈钢 
                                                             1Cr13 
                                                         
                                                         
                                                             6 
                                                             O形圈 
                                                             丁腈 
                                                               
                                                         
                                                         
                                                             7 
                                                             定位齿盘 
                                                             碳钢 
                                                             45# 
                                                         
                                                         
                                                             8 
                                                             手柄 
                                                             玛钢 
                                                               
                                                         
                                                         
                                                             9 
                                                             丝堵 
                                                             碳钢 
                                                             45# 
                                                         
                                                     
                                                 
                                                 
                                                  外形连接尺寸  
                                                 
                                                     
                                                         
                                                             规格 
                                                             尺寸 (mm) 
                                                         
                                                         
                                                             mm 
                                                             inch 
                                                             A 
                                                             B 
                                                             C 
                                                             D 
                                                             E 
                                                             F 
                                                         
                                                         
                                                             50 
                                                             2 
                                                             81 
                                                             60 
                                                             8 
                                                             16 
                                                             85 
                                                             57 
                                                         
                                                         
                                                             65 
                                                             2.5 
                                                             97 
                                                             73 
                                                             8 
                                                             16 
                                                             106 
                                                             65 
                                                         
                                                         
                                                             80 
                                                             3 
                                                             97 
                                                             89 
                                                             8 
                                                             16 
                                                             113 
                                                             75 
                                                         
                                                         
                                                             100 
                                                             4 
                                                             116 
                                                             114 
                                                             10 
                                                             16 
                                                             135 
                                                             90 
                                                         
                                                         
                                                             125 
                                                             5 
                                                             148 
                                                             141 
                                                             10 
                                                             16 
                                                             148 
                                                             110 
                                                         
                                                         
                                                             150 
                                                             6 
                                                             148 
                                                             168 
                                                             10 
                                                             16 
                                                             181 
                                                             124 
                                                         
                                                         
                                                             200 
                                                             8 
                                                             134 
                                                             219 
                                                             11 
                                                             19 
                                                             204 
                                                             155 
                                                         
                                                         
                                                             250 
                                                             10 
                                                             159 
                                                             273 
                                                             13 
                                                             19 
                                                             230 
                                                             190 
                                                         
                                                         
                                                             300 
                                                             12 
                                                             166 
                                                             324 
                                                             13 
                                                             19 
                                                             270 
                                                             230