R (mm) = 1,2D
r (mm) = 0,05D
h1 (mm) >= 3,5 t
h2 (mm) = 0,15D
H (mm) = h1+ h2
V (mm³) = 0,06D³ (h1=0)
m (kg) = 2ΠDp².t = t.mt

FLAT DISHED & FLANGED HEADS
D t h2 V m
300 3--12 45 1.6 0.9
400 3--14 60 3.9 1.4
500 3--16 75 7.6 2.1
600 3--22 90 13.1 3
700 3--22 105 20.8 4
800 3--22 120 31.1 5.1
900 3--25 135 44.3 6.4
1000 3--32 150 60.7 7.8
1100 3--32 165 80.8 9.4
1200 3--32 180 104.9 11.1
1300 3--35 195 133.4 12.9
1400 3--35 210 166.6 14.9
1500 4--35 225 204.9 17
1600 4--40 240 248.6 19.3
1700 4--40 255 298.2 21.7
1800 4--40 270 354 24.3
1900 4--40 285 416.3 27
2000 5--40 300 485.6 29.8
2100 5--40 315 562.1 32.8
2200 5--40 330 646.3 36
2300 5--40 345 738.5 39.2
2400 5--40 360 839.1 42.6
2500 5--40 375 948.4 46.2
2600 6--40 390 1066.9 49.9
2700 6--40 405 1194.8 53.7
2800 6--40 420 1332.5 57.7
2900 6--40 435 1480.4 61.9
3000 6--40 450 1638.9 66.1
3100 6--40 465 1808.3 70.5
3200 6--40 480 1989 75.1
3300 6--40 495 2181.4 79.8
3400 6--40 510 2385.8 84.6
3500 6--40 525 2602.5 89.6
3600 8--40 540 2832 94.7
3700 8--40 555 3074.6 100
3800 8--40 570 3330.7 105.4
3900 8--40 585 3600.7 111
4000 8--40 600 3884.8 116.7
4100 8--40 615 4183.5 122.5
4200 8--40 630 4497.1 128.5
4300 8--40 645 4826.1 134.6
4400 8--40 660 5170.7 140.9
4500 10--40 675 5531.3 147.3
4600 10--40 690 5908.3 153.8
4700 10--40 705 6302.1 160.5
4800 10--40 720 6712.9 167.3
4900 10--40 735 7141.3 174.3
5000 10--40 750 7587.5 181.4
5200 10--40 780 8534.9 196.1
5400 10--40 810 9558.1 211.3
5600 10--40 840 10659.9 227.1
5800 10--40 870 11843.3 243.5
6000 10--40 900 13111.2 260.5
6200 10--40 930 14466.5 277
6400 10--40 960 15912.1 296
6600 10--40 990 17451 314
6800 10--40 1020 19086 334
7000 10--40 1050 20820.1 354
7200 10--40 1080 22656.2 374
7400 10--40 1110 24597.1 395
7600 10--40 1140 26645.8 416
7800 10--40 1170 28805.3 439
8000 10--40 1200 31078.4 461
8200 10--40 1230 33468 484
8400 10--40 1260 35977.1 509
8600 10--40 1290 38608.6 533