适用温度：-29~425℃
适用介质：水、蒸汽、油品
主要零件材料
| 阀体 | ASTM A216 WCB |
| 阀座 | ASTM A105 |
| 阀板 | ASTM A217 CA15/ASTM A216 WCB |
| 阀盖 | ASTM A216 WCB |
| 阀杆 | ASTM A276 T410 |
| 阀杆螺母 | ASTM B148 C95200 |
| 手轮 | ASTM A536 65-45-12 |
外型尺寸和连接尺寸
| 型号 | 公称通径 | 尺寸 | ||||||||
| in | mm | L | D | D1 | D2 | b-f | z-Φd | H | D0 | |
| 150LB | 2 | 50 | 178 | 150 | 120.7 | 92.1 | 19.5-2 | 4-Φ19 | 330 | 200 |
| 2 1/2 | 65 | 190 | 180 | 139.7 | 105 | 22.7-2 | 4-Φ19 | 350 | 200 | |
| 3 | 80 | 203 | 190 | 152.4 | 127 | 24.3-2 | 4-Φ19 | 410 | 240 | |
| 4 | 100 | 229 | 230 | 190.5 | 157 | 24.3-2 | 8-Φ19 | 465 | 280 | |
| 5 | 125 | 254 | 255 | 215.9 | 185.7 | 24.3-2 | 8-Φ22.2 | 518 | 280 | |
| 6 | 150 | 267 | 280 | 241.3 | 216 | 25.9-2 | 8-Φ22.2 | 610 | 320 | |
| 8 | 200 | 292 | 345 | 298.5 | 270 | 29-2 | 8-Φ22.2 | 745 | 360 | |
| 10 | 250 | 330 | 405 | 362 | 323.8 | 30.6-2 | 12-Φ25.4 | 890 | 400 | |
| 12 | 300 | 356 | 485 | 431.8 | 381 | 32.2-2 | 12-Φ25.4 | 1039 | 450 | |
| 14 | 350 | 381 | 535 | 476.3 | 412.8 | 35.4-2 | 12-Φ28.5 | 1181.5 | 560 | |
| 16 | 400 | 406 | 595 | 539.8 | 469.9 | 37-2 | 16-Φ28.5 | 1326 | 560 | |
| 18 | 450 | 432 | 635 | 577.9 | 533.4 | 40.1-2 | 16-Φ31.8 | 1440 | 640 | |
| 20 | 500 | 457 | 700 | 635 | 584.2 | 43.3-2 | 20-Φ31.8 | 1597 | 640 | |
| 24 | 600 | 508 | 815 | 749.3 | 692.2 | 48.1-2 | 20-Φ35 | 1906.5 | 720 | |
| 300LB | 2 | 50 | 216 | 165 | 127 | 92.1 | 22.7-2 | 8-Φ19 | 340 | 200 |
| 2 1/2 | 65 | 241 | 190 | 149.2 | 104.8 | 25.9-2 | 8-Φ22.5 | 386 | 200 | |
| 3 | 80 | 282 | 210 | 168.3 | 127 | 29-2 | 8-Φ22.5 | 435 | 240 | |
| 4 | 100 | 305 | 255 | 200 | 157.2 | 32.2-2 | 8-Φ22.5 | 502 | 280 | |
| 5 | 125 | 381 | 280 | 235 | 186 | 35.4-2 | 8-Φ22.5 | 605 | 320 | |
| 6 | 150 | 403 | 320 | 269.9 | 215.9 | 37-2 | 12-Φ22.5 | 660 | 360 | |
| 8 | 200 | 419 | 380 | 330.2 | 269.9 | 41.7-2 | 12-Φ25.5 | 807 | 400 | |
| 10 | 250 | 457 | 445 | 387.4 | 323.8 | 48.1-2 | 16-Φ28.5 | 972 | 450 | |
| 12 | 300 | 502 | 520 | 450.8 | 381 | 51.3-2 | 16-Φ32 | 1107 | 560 | |
| 14 | 350 | 762 | 585 | 514.4 | 412.8 | 54.4-2 | 20-Φ32 | 1230 | 640 | |
| 16 | 400 | 838 | 650 | 571.5 | 466.9 | 57.6-2 | 20-Φ35 | 1383 | 720 | |
| 18 | 450 | 914 | 710 | 628.6 | 533.4 | 60.8-2 | 24-Φ35 | 1530 | 800 | |
| 20 | 500 | 991 | 775 | 685.8 | 584.2 | 64-2 | 24-Φ35 | 1687 | 950 | |
| 24 | 600 | 1143 | 915 | 812.8 | 692.2 | 69.3-2 | 24-Φ41.5 | 1984 | 1100 | |
用途：本阀适用全开全闭的各种管道，不用于节流。
