Main data
Technical performance FVB FUB
compensation Length ±100mm ±90mm
Working pressure ≤4500pa ≤4500pa
Temperature range -40℃-30℃ -40℃-300℃
Installation length 300-450mm 300-450mm
Variation rate of extension ≤15% ≤15%
Distance between fixed brackets on the both ends ≤15m
Distance between flexible brackets on the both ends 2-4m
Performance of rubber
Tensile strength ≥12Mpa ≥12Mpa
Elongation at failure ≥300% ≥300%
Permanent set at break ≤25% ≤25%
Rigidity 58±3° 58±3°
Aging in the heated air 72℃×72h 72℃×72h
Change in elongation at break ≥20% ≥20%
Size of FUB Rubber air flue joint
Model (mm) External Diameter of Pipe D D1 D2 D3 Flange thickness mm No. of connecting bolts nxΦM Weight Kg
FUB800 812 950 1000 850 8 24×M22 184.6
FUB900 912 1050 1100 950 203.6
FUB1000 10212 1150 1200 1052
10
30×M22 221.9
FUB1100 1112 1250 1300 1152 240.7
FUB1200 1212 1350 1400 1252 259.5
FUB1300 1312 1450 1500 1352 278.3
FUB1400 1412 1550 1600 1452 30×M22 357.3
FUB1500 1512 1650 1700 1552
36×M22 391.2
FUB1600 1614 1750 1800 1654
10 426.3
FUB1700 1714 1850 1900 1754 449.7
FUB1800 1814 1950 2000 1854
44×M22 481.0
FUB1900 1914 2050 2120 1954 533.4
FUB2000 2016 2170 2240 2056 619.9
FUB2100 2116 2270 2340 2156
12
54×M30 753.3
FUB2200 2216 2370 2440 2256 785.3
FUB2300 2316 2470 2540 2356 817.2
FUB2400 2416 2570 2640 2456 800.2
FUB2500 2516 2670 2740 2556 881.2
FUB2600 2616 2770 2840 2656
14
64×M30 913.2
FUB2800 2816 2970 3040 2856 986.5
FUB3000 3016 3170 3240 3056 1050.5
FUB3200 3216 3370 3440 3256 1114.6
Size of FVB Rubber air flue joint
Model (mm) External Diameter of Pipe D D1 D2 D3 b No. of connecting bolts n×ΦM 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
Note: The big DN size Air Flue Rubber Compensator can be adjusted in accordance with requirement of users.
Technical performance FVB FUB
compensation Length ±100mm ±90mm
Working pressure ≤4500pa ≤4500pa
Temperature range -40℃-30℃ -40℃-300℃
Installation length 300-450mm 300-450mm
Variation rate of extension ≤15% ≤15%
Distance between fixed brackets on the both ends ≤15m
Distance between flexible brackets on the both ends 2-4m
Performance of rubber
Tensile strength ≥12Mpa ≥12Mpa
Elongation at failure ≥300% ≥300%
Permanent set at break ≤25% ≤25%
Rigidity 58±3° 58±3°
Aging in the heated air 72℃×72h 72℃×72h
Change in elongation at break ≥20% ≥20%
Size of FUB Rubber air flue joint
Model (mm) External Diameter of Pipe D D1 D2 D3 Flange thickness mm No. of connecting bolts nxΦM Weight Kg
FUB800 812 950 1000 850 8 24×M22 184.6
FUB900 912 1050 1100 950 203.6
FUB1000 10212 1150 1200 1052
10
30×M22 221.9
FUB1100 1112 1250 1300 1152 240.7
FUB1200 1212 1350 1400 1252 259.5
FUB1300 1312 1450 1500 1352 278.3
FUB1400 1412 1550 1600 1452 30×M22 357.3
FUB1500 1512 1650 1700 1552
36×M22 391.2
FUB1600 1614 1750 1800 1654
10 426.3
FUB1700 1714 1850 1900 1754 449.7
FUB1800 1814 1950 2000 1854
44×M22 481.0
FUB1900 1914 2050 2120 1954 533.4
FUB2000 2016 2170 2240 2056 619.9
FUB2100 2116 2270 2340 2156
12
54×M30 753.3
FUB2200 2216 2370 2440 2256 785.3
FUB2300 2316 2470 2540 2356 817.2
FUB2400 2416 2570 2640 2456 800.2
FUB2500 2516 2670 2740 2556 881.2
FUB2600 2616 2770 2840 2656
14
64×M30 913.2
FUB2800 2816 2970 3040 2856 986.5
FUB3000 3016 3170 3240 3056 1050.5
FUB3200 3216 3370 3440 3256 1114.6
Size of FVB Rubber air flue joint
Model (mm) External Diameter of Pipe D D1 D2 D3 b No. of connecting bolts n×ΦM 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
Note: The big DN size Air Flue Rubber Compensator can be adjusted in accordance with requirement of users.