Flange Weight Calculator

Flange Weight Calculator

Flange Weight Calculator


  • Flange Type: Blind, Weld Neck, Flat Face
  • Material:Carbon, Stainless, Alloy Steel
  • Dimensions: NPS, OD, ID, Thickness
  • Presure Class: 150, 300, 600, 900, 2500
  • Formula: Volume x Material Density = Weight

 
 
 
 

 

Get Free Flat Face Flange and Blind Flange Weight Calculator Here For Stainless Steel, Carbon Steel etc.

Blind Flange Weight Calculator in KG

blind flange dimensions

 

Calculate Weight Using Our MS Flange Weight Calculator in Kg and Refer Weight Calculation Formula

MS Flange Weight Calculation Formula

Weight = Volume × Density

Quickly and Accurately Determining the Weight of Flanges Here, Check Long Weld Neck Flange Weight Chart

Flat Face Flange Weight Chart
Class NPS Weld Neck Blind Slip On Lap Joint Socket Weld Threaded
150 lb 1½ 4 4 3 3 3 3
¾ 2 2 2 2 2 2
2 6 5 5 5 5 5
½ 2 2 1 1 2 1
1¼ 3 3 3 3 3 3
1 3 2 2 2 2 2
2½ 10 7 8 8 8 8
5 21 20 15 15 15 15
3½ 12 13 11 11 11 12
3 11.5 9 9 9 9 9
4 16.5 17 13 13 13 13
8 42 47 30 30 30 30
6 26 27 19 19 19 19
10 54 70 43 43 43 43
300 lb 1¼ 5 6 4.5 4.5 4 4.5
¾ 3 3 3 3 3 3
½ 2 2 2 2 3 2
1 4 4 3 3 3 3
2 9 8 7 7 7 7
1½ 7 7 6.5 6.5 6 6.5
10 100 124 81 91 81 81
2½ 12 12 10 10 10 10
5 36 37 29 28 28 31
3½ 20 21 17 17 17 17
3 18 16 13 14.5 13 14
4 26.5 28 23.5 24 22 24
8 69 81 58 58 58 58
6 45 50 39 39 39 39
400 lb 1¼ 4.5 6 4.5 4.5 4.5 4.5
¾ 3.5 3 3 3 3 3
½ 3 2 2 2 2 2
1 4 4 3.5 3.5 3.5 3.5
2 10 10 8 8 8 8
1½ 8 8 6.5 6.5 6.5 6.5
3 18 20 15 14 15 15
2½ 14 15 12 11 12 12
4 35 33 26 25 26 26
3½ 26 29 21 20 21 21
8 89 100 67 64 67 67
5 43 44 31 29 31 31
10 125 155 91 110 91 91
6 57 61 44 42 44 44
600 lb 1¼ 6 6 5 5 5 5
¾ 4 4 3 3 3 3
½ 3 3 2 2 2 2
1 4 4 4 4 4 4
2 12 10 9 9 9 9
1½ 8 8 7 7 7 7
3 23 20 16 15 16 16
2½ 18 15 13 12 13 13
5 68 68 63 63 63 63
3½ 26 29 21 20 21 21
4 42 41 37 36 37 37
8 120 140 115 112 115 115
6 81 86 80 78 80 80
10 190 231 177 195 177 177
900 lb 1¼ 10 10 10 10 10 10
¾ 7 6 6 6 6 6
½ 7 4 6 6 6 6
1 8.5 9 7.5 7.5 7.5 7.5
2½ 31 32 31 25 31 31
1½ 14 14 14 14 14 14
2 24 25 22 21 22 22
4 53 54 53 51 53 53
3 36 35 36 29 36 36
6 110 115 110 105 110 110
5 86 87 83 81 83 83
10 268 290 245 277 245 245
8 187 200 172 190 172 172
1500 lb 1¼ 10 10 10 10 10 10
¾ 7 6 6 6 6 6
½ 7 4 6 6 6 6
1 9 9 8 8 8 8
2 25 25 25 25 25 25
1½ 14 14 14 14 14 14
3 48 48 48 47 48 48
2½ 36 35 36 35 36 36
5 132 140 132 140 132 132
4 73 73 73 75 73 73
8 275 302 260 286 260 260
6 165 160 165 170 165 165
10 455 510 436 485 436 436
2500 lb 1¼ 20 18 – 17 – 18
¾ 9 10 – 8 – 9
½ 8 7 – 7 – 7
1 13 12 – 12 – 12
2 42 39 – 37 – 38
1½ 28 25 – 24 – 25
3 94 86 – 80 – 83
2½ 52 56 – 53 – 55
5 244 223 – 204 – 210
4 146 133 – 122 – 127
8 576 533 – 471 – 485
6 378 345 – 314 – 323
10 1068 1025 – 897 – 925
Types Of Flange Available in Stock
Flange Size Chart

Flange Size Chart

NPS #Holes Dia. Dia. Of Bolt Circle T O TJ X B R B3 B2b H L2 L L3c D r Thr
¾ 4-0.62 2.75 0.44 3.88 0.50 1.50 1.09 1.69 1.11 0.82 1.05 2.00 0.56 0.62 0.44 0.12 0.62
½ 4-0.62 2.38 0.38 3.50 0.44 1.19 0.88 1.38 0.90 0.62 0.84 1.81 0.56 0.62 0.38 0.12 0.62
1 4-0.62 3.12 0.50 4.25 0.56 1.94 1.36 2.00 1.38 1.05 1.32 2.12 0.62 0.69 0.50 0.12 0.69
1½ 4-0.62 3.88 0.62 5.00 0.69 2.56 1.95 2.88 1.97 1.61 1.90 2.38 0.81 0.88 0.62 0.25 0.88
1¼ 4-0.62 3.50 0.56 4.62 0.62 2.31 1.70 2.50 1.72 1.38 1.66 2.19 0.75 0.81 0.56 0.19 0.81
2 4-0.75 4.75 0.69 6.00 0.75 3.06 2.44 3.62 2.46 2.07 2.38 2.44 0.94 1.00 0.69 0.31 1.00
3 4-0.75 6.00 0.88 7.50 0.94 4.25 3.57 5.00 3.60 3.07 3.50 2.69 1.12 1.19 0.81 0.38 1.19
2½ 4-0.75 5.50 0.81 7.00 0.88 3.56 2.94 4.12 2.97 2.47 2.88 2.69 1.06 1.12 0.75 0.31 1.12
3½ 8-0.75 7.00 0.88 8.50 0.94 4.81 4.07 5.50 4.10 3.55 4.00 2.75 1.19 1.25 0.88 0.38 1.25
5 8-0.88 8.50 0.88 10.00 0.94 6.44 5.66 7.31 5.69 5.05 5.56 3.44 1.38 1.44 0.94 0.44 1.44
4 8-0.75 7.50 0.88 9.00 0.94 5.31 4.57 6.19 4.60 4.03 4.50 2.94 1.25 1.31 0.94 0.44 1.31
6 8-0.88 9.50 0.94 11.00 1.00 7.56 6.72 8.50 6.75 6.07 6.63 3.44 1.50 1.56 1.06 0.50 1.56
10 12-1.00 14.25 1.12 16.00 1.19 12.00 10.88 12.75 10.92 10.02 10.75 3.94 1.88 1.94 1.31 0.50 1.94
8 8-0.88 11.75 1.06 13.50 1.12 9.69 8.72 10.62 8.75 7.98 8.63 3.94 1.69 1.75 1.25 0.50 1.75
12 12-1.00 17.00 1.19 19.00 1.25 14.38 12.88 15.00 12.92 12.00 12.75 4.44 2.12 2.19 1.56 0.50 2.19
16 16-1.12 21.25 1.38 23.50 1.44 18.00 16.16 18.50 16.19 15.25 16.00 4.94 2.44 3.44 1.75 0.50 2.50
14 12-1.12 18.75 1.31 21.00 1.38 15.75 14.14 16.25 14.18 13.25 14.00 4.94 2.19 3.12 1.63 0.50 2.25
18 16-1.25 22.75 1.50 25.00 1.56 19.88 18.18 21.00 18.20 17.25 18.00 5.44 2.62 3.81 1.94 0.50 2.69
22 20-1.38 27.25 1.75 29.50 1.81 24.25 22.22 25.25 22.25 21.25 22.00 5.82 3.07 4.25 2.38 0.50 3.13
20 20-1.25 25.00 1.62 27.50 1.69 22.00 20.20 23.00 20.25 19.25 20.00 5.62 2.81 4.06 2.13 0.50 2.88
24 20-1.38 29.50 1.81 32.00 1.88 26.12 24.25 27.25 24.25 23.25 24.00 5.94 3.19 4.38 2.50 0.50 3.25