紧凑型钢制阀门 内螺纹、承插焊阀门结构长度
                                                                                                       
|   公称尺寸 DN  | 
  闸阀、旋启止回阀  | 
  截止阀、升降止回阀  | 
||||
|   PN 16~PN 140  | 
  PN 250  | 
  PN 16~PN 140  | 
  PN 250  | 
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|   短系列  | 
  长系列  | 
  —  | 
  短系列  | 
  长系列  | 
  —  | 
|
|   8  | 
  79  | 
  80  | 
  111  | 
  79  | 
  80  | 
  111  | 
|   10  | 
  79  | 
  80  | 
  111  | 
  79  | 
  80  | 
  111  | 
|   15  | 
  79  | 
  90  | 
  111  | 
  79  | 
  90  | 
  111  | 
|   20  | 
  92  | 
  100  | 
  111  | 
  92  | 
  100  | 
  111  | 
|   25  | 
  111  | 
  120  | 
  114  | 
  111  | 
  120  | 
  130  | 
|   32  | 
  120  | 
  140  | 
  120  | 
  120  | 
  140  | 
  152  | 
|   40  | 
  120  | 
  170  | 
  140  | 
  152  | 
  170  | 
  172  | 
|   50  | 
  140  | 
  200  | 
  162  | 
  172  | 
  200  | 
  220  | 
|   65  | 
  —  | 
  260  | 
  —  | 
  —  | 
  260  | 
  —  | 
|       注:结构长度的的偏差为±1.6
mm。  | 
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