| 
 阀体材料  | 
 灰铸铁  | 
 球墨铸铁  | 
 铸铁  | 
||||||
| 
 公称压力PN  | 
 0.25  | 
 0.6  | 
 1.0  | 
 1.6  | 
 2.5  | 
 0.6  | 
 1.0  | 
 1.6  | 
 2.5  | 
| 
 Mpa  | 
|||||||||
| 
 公称通径DN  | 
 阀体最小壁厚  | 
||||||||
| 
 mm  | 
 mm  | 
||||||||
| 
 50  | 
 7  | 
 7  | 
 7  | 
 8  | 
 8  | 
 7  | 
 8  | 
 9  | 
 9  | 
| 
 65  | 
 7  | 
 7  | 
 7  | 
 8  | 
 8  | 
 7  | 
 8  | 
 9  | 
 9  | 
| 
 80  | 
 8  | 
 8  | 
 8  | 
 9  | 
 9  | 
 8  | 
 9  | 
 10  | 
 10  | 
| 
 100  | 
 9  | 
 9  | 
 9  | 
 10  | 
 10  | 
 9  | 
 10  | 
 11  | 
 11  | 
| 
 125  | 
 10  | 
 10  | 
 10  | 
 12  | 
 12  | 
 10  | 
 11  | 
 12  | 
 13  | 
| 
 150  | 
 11  | 
 11  | 
 11  | 
 12  | 
 12  | 
 11  | 
 12  | 
 13  | 
 13  | 
| 
 200  | 
 12  | 
 12  | 
 12  | 
 14  | 
 14  | 
 12  | 
 13  | 
 14  | 
 15  | 
| 
 250  | 
 13  | 
 13  | 
 13  | 
 —  | 
 —  | 
 13  | 
 14  | 
 15  | 
 17  | 
| 
 300  | 
 14  | 
 14  | 
 14  | 
 —  | 
 —  | 
 14  | 
 15  | 
 16  | 
 18  | 
| 
 350  | 
 14  | 
 14  | 
 14  | 
 —  | 
 —  | 
 14  | 
 15  | 
 16  | 
 19  | 
| 
 400  | 
 15  | 
 15  | 
 15  | 
 —  | 
 —  | 
 15  | 
 16  | 
 17  | 
 20  | 
| 
 450  | 
 16  | 
 16  | 
 16  | 
 —  | 
 —  | 
 16  | 
 16  | 
 17  | 
 20  | 
| 
 500  | 
 16  | 
 16  | 
 16  | 
 —  | 
 —  | 
 16  | 
 17  | 
 18  | 
 21  | 
| 
 600  | 
 18  | 
 18  | 
 18  | 
 —  | 
 —  | 
 18  | 
 19  | 
 20  | 
 24  | 
| 
 700  | 
 20  | 
 20  | 
 20  | 
 —  | 
 —  | 
 20  | 
 21  | 
 22  | 
 27  | 
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