技术参数
| 配合管道通径 | 阀口台阶(A) | 管道接触(B) |  | 配合管道通径 | 阀口台阶(A) | 管道接触(B) | 
| 1/2"~3/4" | 15 | 15 | 10" | 50 | 50 | |
| 1"~ 1-1/4" | 20 | 20 | 12"~14" | 100 | 100 | |
|  |  |  |  |  |  | |
| 1-2/1~2-1/2 | 25 | 25 | 16"~20" | 150 | 150 | |
| 3" | 40 | 40 | 24"~36" | 200 | 200 | |
| 4" | 50 | 50 | 42" | 250 | 250 | |
| 6" | 50 | 50 | 48"~60" | 300 | 300 | |
| 8" | 50 | 50 | 72" | 400 | 400 | |
| 说明:DN600-1800(24"~ 72" )为双包箍。 | ||||||