pherical compensate joint has outstanding anti-seismic performance. It is mainly used in the case of connecting pipes under large foundation settlement, strong vibration and complex topography condition. Sphere body can freely turn around the center within an θ angle so as to compensate the flexibility caused by foundation settlement, heat expansion and cold shrinkage. It has the advantage of large compen-sation, compact, small hydraulic resistance, easily installation and totally low cost.

| Serial No | Name | Quantity | Material |
|---|---|---|---|
| 1 | Spherical Shell | 1 | QT400-15, QT450-10 |
| 2 | Gland | 1 | |
| 3 | Stud | -- | Q235A, 45, Stainless Steel |
| 4 | Nut | -- | |
| 5 | Sphere | 1 | QT400-15, QT450-10 |
| 6 | Sealing Ring | 1 | NBR, NR, FPM |
| Nominal Diameter DN | D0 |
L |
θ |
Flange Connection Dimensions | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0.6MPa | 1.0MPa | 1.6MPa | ||||||||||
| D | K | no-do | D | K | no-do | D | K | no-do | ||||
| 100 | 282 | 290 | 15° |
210 | 170 | 4-φ19 | 220 | 180 | 8-φ19 | 220 | 180 | 8-φ19 |
| 150 | 346 | 320 | 265 | 225 | 8-φ19 | 285 | 240 | 8-φ23 | 285 | 240 | 8-φ23 | |
| 200 | 410 | 382 | 320 | 280 | 8-φ19 | 340 | 295 | 8-φ23 | 340 | 295 | 12-φ23 | |
| 250 | 464 | 410 | 375 | 335 | 12-φ19 | 395 | 360 | 12-φ23 | 405 | 355 | 12-φ27 | |
| 300 | 535 | 430 | 440 | 395 | 12-φ23 | 445 | 400 | 12-φ23 | 460 | 410 | 12-φ27 | |
| 350 | 607 | 470 | 490 | 445 | 12-φ23 | 505 | 460 | 16-φ23 | 520 | 470 | 16-φ27 | |
| 400 | 668 | 550 | 540 | 495 | 16-φ23 | 565 | 515 | 16-φ27 | 580 | 525 | 16-φ30 | |
| 450 | 728 | 600 | 595 | 550 | 16-φ23 | 615 | 565 | 20-φ27 | 640 | 585 | 20-φ30 | |
| 500 | 798 | 689 | 645 | 600 | 20-φ23 | 670 | 620 | 20-φ27 | 715 | 650 | 20-φ34 | |
| 600 | 918 | 725 | 755 | 705 | 20-φ27 | 780 | 725 | 20-φ30 | 840 | 770 | 20-φ37 | |
| 700 | 1056 | 800 | 860 | 810 | 24-φ27 | 895 | 840 | 24-φ30 | 910 | 840 | 24-φ37 | |
| 800 | 1160 | 893 | 975 | 920 | 24-φ30 | 1015 | 950 | 24-φ34 | 1025 | 950 | 24-φ40 | |
| 900 | 1310 | 920 | 1075 | 1020 | 24-φ30 | 1115 | 1050 | 28-φ34 | 1125 | 1050 | 28-φ40 | |
| 1000 | 1443 | 975 | 1175 | 1120 | 28-φ30 | 1230 | 1160 | 28-φ37 | 1255 | 1170 | 28-φ43 | |
| 1200 | 1663 | 1125 | 13° | 1405 | 1340 | 32-φ34 | 1455 | 1380 | 32-φ40 | 1485 | 1390 | 32-φ48 |
| 1400 | 1942 | 1290 | 1630 | 1560 | 36-φ37 | 1675 | 1590 | 36-φ43 | — | — | — | |
| 1600 | 2164 | 1385 | 1830 | 1760 | 40-φ37 | 1915 | 1820 | 40-φ48 | — | — | — | |
| 1800 | 2400 | 1580 | 10° | 2045 | 1970 | 44-φ40 | 2115 | 2020 | 44-φ48 | — | — | — |
| 2000 | 2730 | 1870 | 2265 | 2180 | 48-φ43 | 2325 | 2230 | 48-φ48 | — | — | — | |
| 2200 | 2910 | 1950 | 2475 | 2390 | 52-φ43 | 2550 | 2440 | 52-φ56 | — | — | — | |
| 2400 | 3135 | 2080 | 2685 | 2600 | 56-φ43 | 2760 | 2650 | 56-φ56 | — | — | — | |