Air flue rubber joint compensator is composed by rubber composite materials, steel flange, sleeve, thermal insulation materials. Mainly used in various fan, air duct for flexible connection. The function is shock absorption, noise reduction, sealing, medi
Fabric Expansion Joints offer superior flexing capabilities compared to other solutions and can be made from a variety of special woven fabrics coated or laminated with selected elastomers or fluoropolymers. Fabric Expansion Joints are used to insulate, to avoid mechanical loads and to protect against abrasion. They offer advantages for the pipe work designer as they can absorb movements simultaneously in several directions. Furthermore, they have almost no reactive forces and require little space. Fabric Expansion Joints are easy to customise to suit existing operating conditions and are easy to transport and install in piping and ducting systems. In comparison to Metallic Expansion Joints, Fabric Expansion Joints offer almost unlimited flexibility, giving the pipe work designer more options.
• Relative light weight
• Non-conductive
• Abrasion and corrosion resistant
• High fatigue resistance
• Wide material selection
• Movement achieved with relatively low force
| Technical performance | FVB |
| compensation | ±100mm |
| Working pressure | ≤4500pa |
| Temperature range | -40℃-30℃ |
| Installation length | 300-450mm |
| Variation rate of extension | ≤15% |
| Distance between fixed brackets on the both ends | |
| Distance between flexible brackets on the both ends | |
| Performance of rubber | |
| Tensile strength | ≥12Mpa |
| Elongation at failure | ≥300% |
| Permanent set at break | ≤25% |
| Rigidity | 58±3o |
Aging in the heated air
| 72℃×72h |
Change in elongation at break
| ≥20% |
| Model(mm) | External Diameter of Pipe D | D1 | D2 | D3 | b | No.of connecting bolts nxФM | Weight kg |
| FVB500 | 529 | 600 | 640 | 469 | 8 | 16×M16 | 89.8 |
| FVB600 | 630 | 705 | 755 | 570 | 114.6 | ||
| FVB700 | 720 | 810 | 860 | 660 | 18×M16 | 134.8 | |
| FVB800 | 820 | 920 | 975 | 760 | 18×M20 | 192.0 | |
| FVB900 | 920 | 1020 | 1075 | 860 | 20×M20 | 213.8 | |
| FVB1000 | 1020 | 1120 | 1175 | 960 | 24×M20 | 241.6 | |
| FVB1100 | 1120 | 1220 | 1275 | 1060 | 10 | 263.0 | |
| FVB1200 | 1220 | 1320 | 1375 | 1160 | 30×M22 | 312.6 | |
| FVB1300 | 1320 | 1420 | 1475 | 1260 | 335.0 | ||
| FVB1400 | 1420 | 1520 | 1575 | 1360 | 36×M22 | 369.6 | |
| FVB1500 | 1520 | 1630 | 1685 | 1440 | 36×M22 | 349.4 | |
| FVB1600 | 1620 | 1730 | 1785 | 1540 | 477.5 | ||
| FVB1700 | 1720 | 1830 | 1885 | 1640 | 44×M22 | 515.9 | |
| FVB1800 | 1820 | 1930 | 1985 | 1740 | 536.0 | ||
| FVB1900 | 1920 | 2030 | 2085 | 1840 | 565.2 | ||
| FVB2000 | 2000 | 2130 | 2185 | 1940 | 12 | 44×M27 | 725.2 |
| FVB2200 | 2020 | 2340 | 2410 | 2140 | 50×M27 | 881.8 | |
| FVB2400 | 2420 | 2540 | 2610 | 2340 | 14 | 54×M27 | 953.0 |
| FVB2500 | 2520 | 2640 | 2710 | 2440 | 56×M30 | 1057.5 | |
| FVB2600 | 2620 | 2760 | 2810 | 2540 | 58×M30 | 1098.4 | |
| FVB2800 | 2820 | 2960 | 3030 | 2740 | 60×M30 | 1260.9 | |
| FVB3000 | 2030 | 3160 | 3230 | 2940 | 64×M30 | 1347.8 | |
| FVB3200 | 3220 | 3360 | 3430 | 3140 | 72×M30 | 1441.5 |
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