| 
 一、主要性能规范:  
| 
 遵循规范  | 
 STANDARD  |  
| 
 设计与制造  | 
 GB12233/GB 12235  |  
| 
 结构长度  | 
 GB 12221/JB96(长系列)  |  
| 
 结构长度  | 
 GB78/JB79(GB、HG、SH)  |  
| 
 压力试验  | 
 GB/T 13927  |  
| 
 标志  | 
 GB 12220  |  
| 
 供货  | 
 GB/T12252  |    
法兰连接截止阀(角式) 设计与制造符合中国国家标准 1、基本结构形式:角式 2、公称压力:PN1.6-4.0(MPa) 3、公称通径:DN15-300(mm)
  
 二、角式截止阀1.6MPa主要连接尺寸: 
| 
 DN  | 
 in  | 
 L  | 
 D  | 
 D1  | 
 D2  | 
 f  | 
 b  | 
 z-φd  | 
 Do  | 
 H1  | 
 H2  | 
 W  |  
| 
 15  | 
 1/2  | 
 65/90  | 
 95  | 
 65  | 
 45  | 
 2  | 
 14  | 
 4-φ14  | 
 100  | 
 240  | 
 265  | 
 7  |  
| 
 20  | 
 3/4  | 
 75/95  | 
 105  | 
 75  | 
 55  | 
 2  | 
 16  | 
 4-φ14  | 
 100  | 
 245  | 
 270  | 
 7.5  |  
| 
 25  | 
 1  | 
 80/100  | 
 115  | 
 85  | 
 65  | 
 2  | 
 16  | 
 4-φ14  | 
 120  | 
 250  | 
 275  | 
 8.5  |  
| 
 32  | 
 21/4  | 
 95/105  | 
 135  | 
 100  | 
 78  | 
 2  | 
 18  | 
 4-φ18  | 
 140  | 
 260  | 
 290  | 
 12  |  
| 
 40  | 
 21/2  | 
 100/115  | 
 145  | 
 110  | 
 85  | 
 2  | 
 18  | 
 4-φ18  | 
 140  | 
 290  | 
 325  | 
 14  |  
| 
 50  | 
 2  | 
 115/125  | 
 160  | 
 125  | 
 100  | 
 2  | 
 20  | 
 4-φ18  | 
 160  | 
 300  | 
 335  | 
 19  |  
| 
 65  | 
 21/2  | 
 145  | 
 180  | 
 145  | 
 120  | 
 2  | 
 20  | 
 4-φ18  | 
 180  | 
 355  | 
 400  | 
 27  |  
| 
 80  | 
 3  | 
 155  | 
 195  | 
 160  | 
 135  | 
 2  | 
 22  | 
 4-φ18  | 
 240  | 
 400  | 
 450  | 
 42  |  
| 
 100  | 
 4  | 
 175  | 
 215  | 
 180  | 
 155  | 
 2  | 
 24  | 
 8-φ18  | 
 240  | 
 455  | 
 495  | 
 50  |  
| 
 125  | 
 5  | 
 200  | 
 245  | 
 210  | 
 185  | 
 2  | 
 26  | 
 8-φ18  | 
 280  | 
 530  | 
 560  | 
 64  |  
| 
 150  | 
 6  | 
 240/225  | 
 280  | 
 240  | 
 210  | 
 2  | 
 28  | 
 8-φ23  | 
 320  | 
 605  | 
 650  | 
 85  |  
| 
 200  | 
 8  | 
 275  | 
 335  | 
 295  | 
 265  | 
 2  | 
 30  | 
 8-φ23  | 
 360  | 
 650  | 
 770  | 
 155  |    
 三、角式截止阀2.5MPa主要连接尺寸: 
| 
 DN  | 
 in  | 
 L  | 
 D  | 
 D1  | 
 D2  | 
 f  | 
 b  | 
 z-φd  | 
 Do  | 
 H1  | 
 H2  | 
 W  |  
| 
 15  | 
 1/2  | 
 65/90  | 
 95  | 
 65  | 
 45  | 
 2  | 
 16  | 
 4-φ14  | 
 120  | 
 245  | 
 270  | 
 7.5  |  
| 
 20  | 
 3/4  | 
 75/95  | 
 105  | 
 75  | 
 55  | 
 2  | 
 16  | 
 4-φ14  | 
 120  | 
 250  | 
 275  | 
 8.8  |  
| 
 25  | 
 1  | 
 80/100  | 
 115  | 
 85  | 
 65  | 
 2  | 
 16  | 
 4-φ14  | 
 140  | 
 260  | 
 290  | 
 11  |  
| 
 32  | 
 21/4  | 
 95/105  | 
 135  | 
 100  | 
 78  | 
 2  | 
 18  | 
 4-φ18  | 
 140  | 
 290  | 
 325  | 
 13  |  
| 
 40  | 
 21/2  | 
 100/115  | 
 145  | 
 110  | 
 85  | 
 3  | 
 18  | 
 4-φ18  | 
 160  | 
 300  | 
 335  | 
 18  |  
| 
 50  | 
 2  | 
 115/125  | 
 160  | 
 125  | 
 100  | 
 3  | 
 20  | 
 4-φ18  | 
 180  | 
 355  | 
 400  | 
 31  |  
| 
 65  | 
 21/2  | 
 145  | 
 180  | 
 145  | 
 120  | 
 3  | 
 22  | 
 8-φ18  | 
 220  | 
 400  | 
 450  | 
 39  |  
| 
 80  | 
 3  | 
 155  | 
 195  | 
 160  | 
 135  | 
 3  | 
 22  | 
 8-φ18  | 
 280  | 
 450  | 
 495  | 
 50  |  
| 
 100  | 
 4  | 
 175  | 
 230  | 
 190  | 
 160  | 
 3  | 
 24  | 
 8-φ23  | 
 320  | 
 530  | 
 590  | 
 60  |  
| 
 125  | 
 5  | 
 200  | 
 270  | 
 220  | 
 188  | 
 3  | 
 28  | 
 8-φ25  | 
 380  | 
 600  | 
 650  | 
 75  |  
| 
 150  | 
 6  | 
 240/225  | 
 300  | 
 250  | 
 218  | 
 3  | 
 30  | 
 8-φ25  | 
 400  | 
 650  | 
 770  | 
 98  |  
| 
 200  | 
 8  | 
 275  | 
 360  | 
 310  | 
 278  | 
 3  | 
 34  | 
 12-φ23  | 
 450  | 
 700  | 
 850  | 
 170  |     |