Large Rod Lateral Expansion Joint
The large rod expansion joint is composed of two bellows, the long connection tubes in the middle, and large tie rods, it can absorb the lateral displacement in any plane of the system. When the displacement occurs, the spherical nut on the large tie rod rotates around the spherical washer, and the large tie rod also has the ability to withstand the thrust of internal pressure.
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Large Rod Lateral Expansion Joint | Drawing |
NO | ITEMS | MATERIALS |
NO
| ITEMS | MATERIALS |
1 | End connection tube | SS304/Carbon steel | 7 | Middle connection tube | Carbon steel |
2&3 | Thin nut/ Spherical nut | Carbon steel | 8 | Guide plate | Carbon steel |
4 | Cone gasket | Carbon steel | 9 | Big tie rod | Carbon steel |
5 | Ring plate | Carbon steel | 10 | Stiffened plate | Carbon steel |
6 | Bellow | SS304/SS316L/SS321 | 11 | Inner sleeve | SS304/Carbon steel |
Technique Parameter of Large Rod Lateral Expansion Joint
Normal Diameter | Length | Axial Movements | Axial Stiffness | Joint Size D X S | Radial Max. Size D1 | Working Pressure |
mm | mm | mm | N/mm | mm | mm | Mpa |
100 | 1200~3000 | 100~350 | 4~0.6 | Ø108X4 | 1200~3000 | 0.25~6.0 |
150 | 1200~3000 | 100~350 | 12~2 | Ø159X4.5 | 1200~3000 | 0.25~6.0 |
200 | 1200~3000 | 100~350 | 32~6 | Ø219X6 | 1200~3000 | 0.25~6.0 |
250 | 1200~3000 | 100~350 | 33~8 | Ø273X8 | 1200~3000 | 0.25~6.0 |
300 | 1500~3000 | 109~320 | 28~10 | Ø325X8 | 1500~3000 | 0.25~6.0 |
350 | 1500~3000 | 100~300 | 56~13 | Ø377X8 | 1500~3000 | 0.25~6.0 |
400 | 1500~3000 | 90~280 | 130~17 | Ø426X10 | 1500~3000 | 0.25~4.0 |
500 | 1500~3000 | 80~260 | 160~41 | Ø529X10 | 1500~3000 | 0.25~4.0 |
600 | 2000~3500 | 100~250 | 127~27 | Ø630X10 | 2000~3500 | 0.25~4.0 |
700 | 2000~3500 | 100~220 | 280~57 | Ø720X10 | 2000~3500 | 0.25~2.5 |
800 | 2000~3500 | 80~180 | 402~79 | Ø820X12 | 2000~3500 | 0.25~2.5 |
900 | 2500~4000 | 120~250 | 369~98 | Ø920X12 | 2500~4000 | 0.25~2.5 |
1000 | 2500~4000 | 108~240 | 416~106 | Ø1020X12 | 2500~4000 | 0.25~2.5 |
*They’re the regular sizes above, we can design and produce according to users' detail required sizes and conditions.
