工程图:
| 编号 | 口径 | 建议最大流量m3/h | 
 | 
 | 
| 548052 | DN 50 | 9 | 
 | 
 | 
| 548062 | DN 65 | 18 | 
 | 
 | 
| 548082 | DN 80 | 28 | 
 | 
 | 
| 548102 | DN 100 | 56 | 
 | 
 | 
| 548122 | DN 125 | 75 | 
 | 
 | 
| 548152 | DN 150 | 110 | 

