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公稱直徑dn(mm)
D1
L1
L

      
      


      
20
35
30
67

      

      
25
40
32
77

      

      
32
48
40
83

      

      
40
52
42
87

      

      
50
67
45
99

      

      
63
87
57
117

      

      
90
115
70
142

      

      
110
139
75
151

      

      
160
201
95
192

      

      
180
215
104
209

      

      
200
277
110
139

      

      
250
306
129
260

      

      
315
384
150
305

      

      
355
435
156
318

      
      

      

      
        
      
	
      

      
		
      
			
      
				
      
					
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