Lateral Expansion Joints - Technical Data - BOA Group

2Δ lat.
S
IWK Lateral
Expansion Joints
Bl
Type 7810
previous: 307/280–82
Ø Da
Ø Dr
A
Ordering text:
7810 – DN … / PN … / ± Δ lat … / Bl. …
L1
B
Welded end
Expansion joint
DN
PN
Nominal lateral
movement
capacity
Bellows middle
distance
Overall length
Large flange axis
Small flange axis
Weight
Outer
diameter
Lateral spring
rate 1)
Hinge friction 1)
± Δ lat L 1 Bl. A B Ø Dr s Ø Da C lat C r
[mm] [mm] [mm] [mm] [mm] [kg] [mm] [mm] [mm] [N/mm] [N/bar]
6 33 148.4 385 240 160 9.8 114.3 3.6 136.2 33.9 16.2
6 58 225.8 465 240 160 10.9 114.3 3.6 135.8 20.3 12.7
6 75 387.5 625 240 160 13.3 114.3 3.6 136.2 5.6 9.3
6 85 372.0 700 260 260 15.0 114.3 4.0 138.0 2.5 11.0
16 35 215.6 445 240 160 10.4 114.3 3.6 136.0 44.2 13.5
16 48 234.1 480 240 160 12.5 114.3 3.6 134.9 49.3 11.8
16 82 534.0 770 240 160 15.5 114.3 3.6 136.0 7.0 7.3
100 16 75 388.0 712 260 260 17.3 114.3 4.0 141.0 7.0 10.5
25 28 215.8 445 240 160 10.8 114.3 3.6 135.8 84.5 13.4
25 47 234.1 480 240 160 12.6 114.3 3.6 134.9 49.3 11.9
25 75 544.0 790 240 160 16.0 114.3 3.6 135.8 11.4 7.0
25 70 438.0 782 260 260 17.7 114.3 4.0 141.0 11.0 19.0
40 25 246.0 490 240 160 12.6 114.3 3.6 134.9 68.2 12.1
40 50 446.0 690 240 160 15.0 114.3 3.6 134.9 21.1 8.1
40 75 636.0 880 240 160 17.4 114.3 3.6 134.9 10.4 6.2
6 30 154.9 390 290 210 14.7 139.7 4.0 157.9 49.5 22.1
6 53 232.3 470 290 210 15.9 139.7 4.0 157.5 30.2 17.5
6 75 402.5 645 290 210 19.5 139.7 4.0 157.9 7.3 12.4
6 80 400.0 726 285 285 19.5 139.7 4.0 168.5 3.4 15.0
16 32 232.1 470 290 210 15.4 139.7 4.0 157.7 59.9 17.6
16 44 243.1 490 290 210 18.0 139.7 4.0 156.6 71.7 16.2
16 80 604.0 840 290 210 23.0 139.7 4.0 157.7 8.7 9.2
125 16 75 354.0 704 285 285 27.5 139.7 4.0 173.0 17.0 14.8
25 25 175.9 430 290 210 17.3 139.7 4.0 156.8 181.9 19.0
25 42 243.1 490 290 210 18.0 139.7 4.0 156.6 71.7 16.2
25 75 614.0 860 290 210 23.8 139.7 4.0 157.5 14.3 8.9
25 75 434.0 780 285 285 29.5 139.7 4.0 174.0 16.0 14.0
40 25 276.0 580 290 210 20.1 139.7 4.0 156.6 85.3 17.2
40 50 506.0 810 290 210 24.1 139.7 4.0 156.6 25.7 10.9
40 75 736.0 1040 290 210 28.1 139.7 4.0 156.6 12.2 8.0
Reduction factor 2) for
pressure [K p] and
movement capacity [K Δ]
Temperature K p K Δ
°C – –
–10 … 20 1.00 1.00
50 0.92 0.97
100 0.87 0.94
150 0.83 0.92
200 0.79 0.90
250 0.74 0.88
300 0.67 0.86
2) Intermediare values can
be linearally interpolated.
6 25 154.9 390 325 240 17.6 168.3 4.5 186.2 81.8 33.0
6 45 232.3 470 325 240 19.1 168.3 4.5 185.7 49.9 26.0
6 87 521.5 765 325 240 26.4 168.3 4.5 186.2 7.2 15.0
6 75 355.0 704 324 324 21.0 168.3 4.5 195.0 7.0 21.0
16 22 232.3 470 325 240 19.1 168.3 4.5 185.7 193.6 26.0
16 38 232.5 470 325 240 19.7 168.3 4.5 185.5 83.9 25.8
16 75 586.0 830 325 240 28.3 168.3 4.5 185.9 13.6 13.6
150 16 75 439.0 792 324 324 31.5 168.3 4.5 203.0 17.0 24.0
25 28 232.9 470 325 240 21.0 168.3 4.5 185.0 203.0 25.5
25 35 243.1 490 325 240 21.6 168.3 4.5 185.0 118.3 24.4
25 80 754.0 1000 325 240 32.3 168.3 4.5 185.7 16.0 11.0
25 75 498.0 860 324 324 43.0 168.3 4.5 205.0 21.0 52.0
40 25 284.0 600 325 240 26.3 168.3 4.5 184.8 110.2 23.8
40 50 514.0 830 325 240 31.8 168.3 4.5 184.8 34.2 15.4
40 75 744.0 1060 325 240 37.3 168.3 4.5 184.8 16.4 11.3
1) Deviation ± 30 % Reserve the right for technical changes
4