| 
 
  | 
 公 称 压 力 PN  | 
|||||
| 
 公称尺寸  | 
 2.5  | 
 6  | 
 10  | 
 16  | 
 25  | 
 40  | 
| 
 DN  | 
 阀 体 的 最 小 壁 厚 mm  | 
|||||
| 
 
  | 
 灰铸铁、球墨铸铁  | 
 球墨铸铁  | 
||||
| 
 50  | 
 6  | 
 8  | 
 8  | 
 8  | 
 8  | 
 9  | 
| 
 65  | 
 6  | 
 8  | 
 8  | 
 9  | 
 9  | 
 10  | 
| 
 80  | 
 6  | 
 9  | 
 9  | 
 10  | 
 10  | 
 11  | 
| 
 100  | 
 8  | 
 9  | 
 9  | 
 11  | 
 11  | 
 12  | 
| 
 125  | 
 9  | 
 10  | 
 10  | 
 12  | 
 12  | 
 14  | 
| 
 150  | 
 9  | 
 10  | 
 10  | 
 14  | 
 14  | 
 15  | 
| 
 200  | 
 10  | 
 12  | 
 12  | 
 15  | 
 15  | 
 16  | 
| 
 250  | 
 12  | 
 13  | 
 13  | 
 —  | 
 —  | 
 —  | 
| 
 300  | 
 13  | 
 14  | 
 14  | 
 —  | 
 —  | 
 —  | 
| 
 350  | 
 14  | 
 15  | 
 15  | 
 —  | 
 —  | 
 —  | 
| 
 400  | 
 14  | 
 16  | 
 16  | 
 —  | 
 —  | 
 —  | 
| 
 450  | 
 15  | 
 17  | 
 17  | 
 —  | 
 —  | 
 —  | 
| 
 500  | 
 15  | 
 18  | 
 18  | 
 —  | 
 —  | 
 —  | 
| 
 600  | 
 16  | 
 20  | 
 20  | 
 —  | 
 —  | 
 —  | 
| 
 700  | 
 20  | 
 24  | 
 26  | 
 —  | 
 —  | 
 —  | 
| 
 800  | 
 20  | 
 24  | 
 26  | 
 —  | 
 —  | 
 —  | 
| 
 900  | 
 22  | 
 25  | 
 28  | 
 —  | 
 —  | 
 —  | 
| 
 1000  | 
 22  | 
 26  | 
 30  | 
 —  | 
 —  | 
 —  | 
| 
 1200  | 
 23  | 
 26  | 
 —  | 
 —  | 
 —  | 
 —  | 
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