Flanges : Approximate Masses

SABS 1123

Nom. Pressure 600 kPaNom. Pressure 1 000 kPaNom. Pressure 1 600 kPa
Nom. Size600/2
(Weld Neck)
600/3
(Slip-on)
600/4
(Scrwd)
600/8
(Blind)
1000/2
(Weld Neck)
1000/3
(Slip-on)
1000/4
(Scrwd)
1000/8
(Blind)
1600/2
(Weld Neck)
1600/3
(Slip-on)
1600/4
(Scrwd)
1600/8
(Blind)
10 mm0,223 0,26 0,215 0,317 0,33 0,30 0,31 0,36 0,33 0,30 0,31 0,36
20 mm0,338 0,378 0,331 0,471 0,48 0,43 0,55 0,50 0,48 0,43 0,55 0,5
32 mm0,6 0,688 0,6 0,857 1,06 0,94 1,20 1,13 1,06 0,94 1,20 1,13
50 mm0,77 0,81 0,783 1,14 1,69 1,22 1,67 1,93 1,69 1,22 1,96 1,93
80 mm1,69 1,44 1,78 2,13 2,59 1,98 3,1603,22 2,59 1,98 3,26 3,22
125 mm3,24 2,34 3,23 4,07 4,58 3,18 5,26 5,89 4,58 3,18 5,36 5,89
175 mm----8,30 5,26 -11,83 8,30 6,58 -11,83
250 mm7,85 5,67 -13,45 11,31 8,46 -18,46 14,04 11,54 -24,04
350 mm16,1 13,12 -32,0 21,40 17,41 -37,98 28,07 22,97 -48,00
450 mm-20,42 -54,17 -30,00 -69,64 -48,00 -100,00
550 mm-30,50 -85,20 -46,00 -114,60 ----

Nom. Pressure 2 500 kPaNom. Pressure 4 000 kPa
Nom. Size2500/2
(Weld Neck)
2500/3
(Slip-on)
2500/4
(Scrwd)
2500/8
(Blind)
4000/2
(Weld Neck)
4000/3
(Slip-on)
4000/4
(Scrwd)
4000/8
(Blind)
10 mm0,50 0,47 0,39 0,54 0,50 0,47 0,39 0,54
20 mm0,82 0,75 0,63 0,86 0,82 0,75 0,63 0,86
32 mm1,88 1,70 1,45 2,00 1,88 1,70 1,45 2,00
50 mm2,82 2,50 2,43 3,20 2,82 2,50 2,43 3,20
80 mm4,75 3,67 3,60 5,04 4,75 3,67 3,60 5,04
125 mm9,07 7,70 8,10 11,85 9,07 7,70 8,10 11,85
175 mm12,20 10,58 -16,34 18,20 14,70 -24,0
250 mm22,88 16,41 -31,41 34,90 27,14 -44,50
350 mm45,00 33,75 -62,63 68,10 61,88 -87,07
450 mm-65,16 -123,75 -100,31 -149,52
550 mm-100,50 ------

BS 4504

Nom. Pressure 6 BarNom. Pressure 10 BarNom. Pressure 16 Bar
Nom. Size6/2
(Weld Neck)
6/3
(Slip-on)
6/4
(Scrwd)
6/8
(Blind)
6/2
(Weld Neck)
10/3
(Slip-on)
10/4
(Scrwd)
10/8
(Blind)
16/2
(Weld Neck)
16/3
(Slip-on)
16/4
(Scrwd)
16/8
(Blind)
10 mm0.3350.310.3230.380.580.530.5440.630.580.530.5440.63
15 mm0.3920.350.3730.440.6480.590.6130.710.6480.590.6130.71
20 mm0.5920.530.590.660.9520.850.9110.9520.850.911
25 mm0.7470.650.7431.050.821.1411.11.21.1411.11.2
32 mm1.051.11.21.21.691.521.81.691.51.61.8
40 mm1.181.21.371.41.861.61.782.11.861.61.782.1
50 mm1.341.31.921.62.532.22.432.92.532.22.432.9
65 mm1.671.62.852.13.062.73.183.63.062.73.183.6
80 mm2.712.63.193.43.73.34.124.63.73.34.124.6
100 mm3.242.94.474.24.623.64.475.64.623.64.475.6
125 mm4.493.95.36.16.356.138.16.356.138.1
150 mm5.154.4-7.57.7567.9210.57.7567.9210.5
175 mm----107.9-14.2107.9-14.2
200 mm7.786.4-12.511.38.4-16.5118.7-16.5
250 mm10.88.5-18.514.711-2415.612-25
300 mm1411-25.517.612.5-312215.5-35
350 mm16.115.5-3221.419.5-39.528.724.5-48
400 mm18.319-38.526.126.5-49.536.333-63
450 mm-24.5-52-36-65-48-85
500 mm24.625.5-6034.739-7559.360-110
600 mm31.533--42.253--73.494-

Nom. Pressure 25 BarNom. Pressure 40 Bar
Nom. Size25/2
(Weld Neck)
25/3
(Slip-on)
25/4
(Scrwd)
25/8
(Blind)
40/2
(Weld Neck)
40/3
(Slip-on)
40/4
(Scrwd)
40/8
(Blind)
10 mm0.6610.620.630.720.6610.620.630.72
15 mm0.7460.690.710.810.7460.690.710.81
20 mm1.060.971.031.11.060.971.031.1
25 mm1.291.21.281.41.291.21.281.4
32 mm1.881.71.8721.881.71.872
40 mm2.332.12.142.42.332.12.142.4
50 mm2.822.52.863.22.822.52.863.2
65 mm3.743.23.854.33.743.23.854.3
80 mm4.7544.85.54.7544.85.5
100 mm6.525.76.437.66.525.76.437.6
125 mm9.077.78.77119.077.78.7711
150 mm11.89.710.514.511.89.710.514.5
175 mm13.411-18.318.215.7-24
200 mm1712-22.521.516-27
250 mm24.417.5-33.534.928.5-44.5
300 mm31.226.5-4649.742-64
350 mm4540.5-6868.163-89
400 mm58.754-9096.594-125
450 mm-75.3-115.5-107-155.5
500 mm86.186-140117120-185
600 mm101120------