主要外形和連接尺寸
公稱壓力 PN(MPa) | 公稱通徑 DN(mm) | 尺寸(mm) | |||||||
L | D 系列1/系列2 | D1 | D2 | D6 | b | f | Z-фd | ||
法蘭 | |||||||||
法蘭標準 JB/T82.1-94 閥門結構長度 GB12221-89 0.6 | 40 | 125 | 130 | 100 | 80 | - | 16 | 3 | 4-14 |
50 | 140 | 140 | 110 | 90 | - | 16 | 3 | 4-14 | |
65 | 178 | 160 | 130 | 110 | - | 16 | 3 | 4-14 | |
80 | 190 | 190/185 | 150 | 125 | - | 18 | 3 | 4-18 | |
100 | 200 | 210/205 | 170 | 145 | - | 18 | 3 | 4-18 | |
125 | 254 | 240/235 | 200 | 175 | - | 20 | 3 | 8-18 | |
150 | 267 | 265/260 | 225 | 200 | - | 20 | 3 | 8-18 | |
200 | 292 | 320/315 | 280 | 255 | - | 22 | 3 | 8-18 | |
250 | 330 | 375/370 | 335 | 310 | - | 24 | 3 | 12-18 | |
300 | 390 | 440/435 | 395 | 362 | - | 24 | 4 | 12-23 | |
350 | 430 | 490/485 | 445 | 412 | - | 26 | 4 | 12-23 | |
400 | 530 | 540/535 | 495 | 462 | - | 28 | 4 | 16-23 | |
450 | 580 | 595/590 | 550 | 518 | - | 28 | 4 | 16-23 | |
500 | 630 | 645/640 | 600 | 568 | - | 30 | 4 | 16-23 | |
600 | 800 | 755 | 705 | 670 | - | 30 | 5 | 20-25 |