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          1、公稱直徑(mm):DN15/20/25/32/40/50                                                                                                                                                                                                                                                                                                                                                      
          2、公稱壓力:1.6MPa                                                                                                                                                                 
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          4、測試壓力符合IS05208標準                                                                                                                                                                                            
          5、圓柱管螺紋符合IS0228標準
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