Metallic Expansion Joints - Thorburn Flex Inc

THORBURN
FLEXIBLE PIPING SPECIALIST
DUCTFLEX SINGLE BELLOWS SERIES "SDF"
ROUND METALLIC DUCTING EXPANSION JOINT SPECIFICATIONS
NON-CONCURRENT SPRING RATE CC WW AF ANGLE
MOVEMENTS
FLANGE DATA
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inch inch degree lbs/in lbs/in lbs/deg inch lbs inch lbs inch lbs inch inch
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S
12"
151
sq. in.
14"
185
sq. in.
16"
237
sq. in.
18"
298
sq. in.
20"
362
sq. in.
22"
434
sq. in.
24"
512
sq. in.
26"
594
sq. in.
28"
683
sq. in.
30"
779
sq. in.
32"
881
sq. in.
A 1.20 0.079 9.80 780 29500 330 5.750 11 8.750 19 5.750 15
B 2.00 0.220 16.00 470 6380 200 7.625 13 10.625 21 7.625 17
C 4.00 0.880 20.00 235 800 100 12.250 17 15.250 25 12.250 21
D 6.00 1.990 20.00 155 235 65 16.875 21 19.875 29 16.875 25
A 1.20 0.072 9.00 745 33700 375 5.750 13 8.750 21 5.750 17
B 2.00 0.200 15.00 445 7280 225 7.625 14 10.625 23 7.625 19
C 4.00 0.810 20.00 225 910 115 12.250 19 15.250 28 12.250 24
D 6.00 1.810 20.00 150 270 75 16.875 24 19.875 33 16.875 29
A 1.20 0.075 7.90 635 26500 420 6.250 15 9.250 25 6.750 23
B 2.00 0.210 13.00 380 5720 250 8.500 17 11.500 27 9.000 25
C 4.00 0.840 20.00 190 715 126 14.000 23 17.000 33 14.500 31
D 6.00 1.900 20.00 125 210 85 19.500 28 22.500 38 20.000 36
A 1.20 0.068 7.00 1185 62000 980 6.250 18 9.250 30 6.750 27
B 2.00 0.190 11.00 710 13400 590 8.500 22 11.500 34 9.000 31
C 4.00 0.750 20.00 355 1675 295 14.000 31 17.000 43 14.500 40
D 6.00 1.690 20.00 235 500 195 19.500 40 22.500 52 20.000 49
A 1.20 0.061 6.40 1320 84000 1330 6.250 20 9.250 33 6.750 29
B 2.00 0.170 10.00 790 18100 800 8.500 23 11.500 37 9.000 33
C 4.00 0.680 20.00 395 2270 400 14.000 34 17.000 48 14.500 44
D 6.00 1.530 20.00 265 670 265 19.500 44 22.500 58 20.000 54
A 1.20 0.056 5.80 1450 110600 1750 6.250 22 9.250 36 6.750 32
B 2.00 0.160 9.70 873 23900 1050 8.500 27 11.500 41 9.000 37
C 4.00 0.620 19.00 435 2990 525 14.000 38 17.000 52 14.500 48
D 6.00 1.400 20.00 290 885 350 19.500 49 22.500 63 20.000 59
A 1.20 0.520 5.40 1590 142000 2255 6.250 24 9.250 40 6.750 36
B 2.00 0.140 8.90 950 30800 1350 8.500 29 11.500 45 9.000 41
C 4.00 0.570 18.00 475 3845 675 14.000 41 17.000 57 14.500 53
D 6.00 1.290 20.00 320 1140 450 19.500 53 22.500 69 20.000 65
A 1.20 0.480 5.00 1640 171000 2700 6.250 26 9.250 43 7.250 43
B 2.00 0.130 8.30 985 36900 1625 8.500 30 11.500 48 9.500 48
C 4.00 0.530 16.00 492 4600 810 14.000 44 17.000 62 15.000 62
D 6.00 1.200 20.00 330 1370 540 19.500 57 22.500 75 20.500 75
A 1.20 0.450 4.70 1770 212000 3360 6.250 28 9.250 47 7.250 46
B 2.00 0.120 7.70 1060 45800 2020 8.500 34 11.500 53 9.500 52
C 4.00 0.500 15.00 530 5730 1010 14.000 48 17.000 67 15.000 66
D 6.00 1.110 20.00 355 1700 670 19.500 62 22.500 81 20.500 80
A 1.20 0.420 4.30 1900 260000 4110 6.250 30 9.250 50 7.250 50
B 2.00 0.110 7.30 1140 56000 2470 8.500 36 11.500 56 9.500 56
C 4.00 0.460 14.00 570 7010 1235 14.000 51 17.000 71 15.000 71
D 6.00 1.050 20.00 380 2075 820 19.500 67 22.500 87 20.500 87
A 1.20 0.040 4.10 2030 314000 4965 6.250 31 9.250 52 7.250 52
B 2.00 0.110 6.80 1215 67700 2980 8.500 38 11.500 59 9.500 59
C 4.00 0.440 13.00 610 8470 54 17.000 75 15.000 75 15.000 75
D 6.00 0.980 20.00 405 2510 995 19.500 71 22.500 92 20.500 92
14.563
15.813
18.125
20.125
22.125
24.125
26.125
28.5
30.5
32.5
34.5
.406
.406
.406
.406
.406
.563
.563
.563
.563
.563
.563
12
12
16
16
20
20
20
24
24
28
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