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SFF810 02 Double Spherical Rubber Bellow Extremely flexible expansion joints with short face to face for absorbing thermal expansion, reducing vibrations and preventing stress in pipe systems. construction：Bellows with raised pleat, smooth inside and outside, with nylon reinforcement.
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| size |
length (mm) |
axial compression (mm) |
axial elongation (mm) |
lateral
displacement
(mm) |
angle of deflection |
| DN32 | 175 | 50 | 30 | 35 | 40° |
| DN40 | 175 | 50 | 30 | 35 | 40° |
| DN50 | 175 | 50 | 30 | 35 | 40° |
| DN65 | 175 | 50 | 30 | 35 | 40° |
| DN80 | 175 | 50 | 30 | 35 | 40° |
| DN100 | 225 | 57 | 35 | 40 | 35° |
| DN125 | 225 | 57 | 35 | 40 | 35° |
| DN150 | 225 | 57 | 35 | 40 | 35° |
| DN200 | 325 | 63 | 35 | 45 | 30° |
| DN250 | 325 | 63 | 35 | 45 | 30° |
| DN300 | 325 | 63 | 35 | 45 | 30° |
| DN350 | 350 | 40 | 30 | 30 | 20° |
| DN400 | 350 | 40 | 30 | 30 | 20° |
| DN500 | 350 | 40 | 30 | 30 | 20° |
| DN600 | 350 | 40 | 30 | 30 | 20° |
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