一、产品概述:轨道式球阀适用于易燃、易爆、易挥发、易聚合、剧毒等场合。传统的球阀，无论是浮动式或固定式，球体与阀座始终接触，开关扭矩大，密封面容易损伤。
二、主要外形尺寸:
| 公称压力PN（MPa） | 公称通径PN（MPa） | D | D1 | D2 | b | W | Z-d | GQ47H/Y球阀 |
| 1.6/2.5 | 15 | 95 | 65 | 45 | 14 | 130 | 4-14 | - |
| 20 | 105 | 75 | 55 | 14 | 130 | 4-14 | - |
| 25 | 115 | 85 | 65 | 14 | 160 | 4-14 | - |
| 32 | 135 | 100 | 78 | 16 | 160 | 4-18 | - |
| 40 | 145 | 110 | 85 | 16 | 230 | 4-18 | - |
| 50 | 160 | 125 | 100 | 16 | 230 | 4-18 | 178/216 |
| 65 | 180 | 145 | 120 | 18 | 400 | 4-18/8-18 | 191/241 |
| 80 | 195 | 160 | 135 | 20 | 400 | 8-18 | 203/283 |
| 100 | 215/230 | 180/190 | 155/160 | 20 | 700 | 8-18/8-23 | 229/305 |
| 125 | 245/270 | 210/220 | 185/188 | 22 | 1100 | 8-18/8-25 | 356/381 |
| 150 | 280/300 | 240/250 | 210/218 | 24 | 1100 | 8-23/8-25 | 394/403 |
| 200 | 335/360 | 295/310 | 265/278 | 26 | 1500 | 12-23/12-25 | 457/502 |
| 250 | 405/425 | 355/370 | 320/332 | 30 | | 12-25/12-30 | 533/568 |
| 300 | 460/485 | 410/430 | 375/390 | 30 | | 12-25/12-30 | 610/648 |
| 350 | 520/550 | 470/490 | 435/448 | 34 | | 16-25/16-34 | 686/762 |
| 400 | 580/610 | 525/550 | 485/505 | 36 | | 16-30/16-34 | 762/838 |
| 450 | 640/660 | 585/600 | 545/555 | 40 | | 20-30/20-34 | 864/914 |
| 500 | 705/730 | 650/660 | 608/610 | 44 | | 20-34/20-41 | 914/991 |
| 600 | 840 | 770 | 718 | 48 | | 24-41/20-41 | 1067/1143 |
| 700 | 910/955 | 840/875 | 788/815 | 50 | | 20-14/24-48 | 1245/1346 |
| 800 | 1020/1070 | 950/990 | 898/930 | 52 | | 24-41/24-48 | 1372/1524 |
| 900 | 1120/1180 | 1050/1090 | 998/1025 | 54 | | 28-41/28-54 | 1524/1727 |
| 1000 | 1255/1305 | 1170/1210 | 1110/1140 | 56 | | 28-48/28-58 | 1753/1880 |
| 公称压力PN（MPa） | 公称通径DN（mm） | D | D1 | D2 | D6 | b | W | Z-d | GQ47H/Y球阀 |
| 4.0 | 15 | 95 | 65 | 45 | 40 | 16 | 130 | 4-14 | - |
| 20 | 105 | 75 | 55 | 51 | 16 | 130 | 4-14 | - |
| 25 | 115 | 85 | 65 | 58 | 16 | 160 | 4-14 | - |
| 32 | 135 | 100 | 78 | 66 | 18 | 160 | 4-18 | - |
| 40 | 145 | 110 | 85 | 76 | 18 | 230 | 4-18 | - |
| 50 | 160 | 125 | 100 | 88 | 20 | 230 | 4-18 | 216 |
| 65 | 180 | 145 | 120 | 110 | 22 | | 4-18 | 241 |
| 80 | 195 | 160 | 135 | 121 | 22 | | 8-18 | 283 |
| 100 | 230 | 190 | 160 | 150 | 24 | | 8-23 | 305 |
| 125 | 270 | 220 | 188 | 175 | 28 | | 8-25 | 381 |
| 150 | 300 | 250 | 218 | 204 | 30 | | 8-25 | 403 |
| 200 | 375 | 320 | 282 | 260 | 38 | | 12-30 | 502 |
| 250 | 445 | 385 | 345 | 313 | 42 | | 12-34 | 568 |
| 300 | 510 | 450 | 408 | 364 | 46 | | 16-34 | 648 |
| 350 | 570 | 510 | 465 | 422 | 52 | | 16-34 | 762 |
| 400 | 665 | 585 | 535 | 474 | 58 | | 16-41 | 838 |
| 450 | 680 | 610 | 560 | 524 | 60 | | 20-41 | 814 |
| 500 | 755 | 670 | 612 | 576 | 62 | | 20-48 | 991 |
| 600 | 890 | 795 | 730 | 678 | 62 | | 20-54 | 1143 |
| 700 | 995 | 900 | 825 | 768 | 68 | | 24-54 | 1346 |
| 800 | 1135 | 1030 | 960 | 876 | 76 | | 24-58 | 1524 |
| 6.4/10.0 | 15 | 105 | 75 | 55 | 41 | 18 | 160 | 4-14 | - |
| 20 | 125 | 90 | 68 | 51 | 18 | 160 | 4-18 | - |
| 25 | 135 | 100 | 78 | 58 | 20 | 230 | 4-18 | - |
| 32 | 150 | 110 | 82 | 66 | 22 | 230 | 4-23 | - |
| 40 | 165 | 125 | 95 | 76 | 24 | 400 | 4-23 | - |
| 50 | 175/195 | 135/145 | 105/112 | 88 | 26 | 400 | 4-23/4-25 | 292 |
| 65 | 200/220 | 160/170 | 10/138 | 110 | 28 | 700 | 4-23/8-25 | 330 |
| 80 | 210/230 | 170/180 | 140/148 | 121 | 30 | 1100 | 8-23/8-25 | 356 |
| 100 | 256/265 | 200/210 | 168/172 | 150 | 32 | 1500 | 8-25/8-30 | 406/432 |
| 150 | 340/350 | 280/290 | 240/250 | 204 | 38 | | 8-34/12-34 | 495/559 |
| 200 | 405/430 | 345/360 | 300/312 | 260 | 44 | | 12-34/12-41 | 597/660 |
| 250 | 470/500 | 400/430 | 352/382 | 313 | 48 | | 12-41/12-41 | 673/787 |
| 300 | 530/585 | 460/500 | 412/442 | 364 | 54 | | 16-41/16-48 | 762/832 |
| 350 | 595/655 | 525/560 | 475/498 | 422 | 60 | | 16-41/16-54 | 826/889 |
| 400 | 670/715 | 585/620 | 525/558 | 474 | 66 | | 16-48/16/54 | 902/991 |
| 450 | 800/ | 705/ | 640/ | 576 | 70 | | 20-54/ | - |
| 500 | 930/ | 820/ | 750/ | 678 | 76 | | 20-58/ | 1054/1194 |