Flange Weight Chart

  1. Flange Weight Chart

Flange Weight Chart, Stainless Steel Flanges Weight Chart, Carbon Steel Weight Chart, WN Flange Weight Chart, Weight Chart of SS Flange, BLIND Flange Weight, Flange Weight Chart in KG

CARBON & STAINLESS STEEL FLANGES STANDARD DIMENSIONS & WEIGHTS

Weight Chart of Class 150 Flanges to ASME B 16.5

Class 150 Flange Weight in KG

NOMINAL SIZE DIMENSIONS WEIGHT (KG)
NPS
(Inches)
DN (mm) FLANGE
OD
A
MM
FLANGE
THICKNESS

D

MM
SOW
SW
WN BLIND
1/2 15 88.9 11.2 0.4 0.5 0.4
3/4 20 98.6 12.7 0.6 0.7 0.6
1 25 108 14.2 0.8 1 0.9
1 1/4 32 117.3 15.7 1 1.3 1.2
1 1/2 40 127 17.5 1.3 1.7 1.5
2 50 152.4 19.1 2.1 2.6 2.4
2 1/2 65 177.8 22.4 3.3 4.1 3.9
3 80 190.5 23.9 3.9 4.9 4.9
3 1/2 90 215.9 23.9 4.8 6.1 6.2
4 100 228.6 23.9 5.3 6.8 7.0
5 125 254 23.9 6.1 8.6 8.6
6 150 279.4 25.4 7.5 10.6 11.3
8 200 342.9 28.4 12.1 17.6 19.6
10 250 406.4 30.2 16.5 24 28.6
12 300 482.6 31.8 26.2 36.5 43.2
14 350 533.4 35.1 34.6 48.4 58.1
16 400 596.9 36.6 44.8 60.6 76.1
18 450 635 39.6 48.9 68.3 93.7
20 500 698.5 42.9 61.9 84.5 122.0
24 600 812.8 47.8 86.9 115 185.0

Weight Chart of Class 300 Flanges to ASME B 16.5

Class 300 Flange Weight in KG

NOMINAL SIZE DIMENSIONS WEIGHT (KG)
NPS
(Inches)
DN (mm) FLANGE
OD
A
MM
FLANGE
THICKNESS
D
MM
SOW
SW
WN BLIND
1/2 15 95.3 14.2 0.6 0.8 0.6
3/4 20 117.3 15.7 1.1 1.3 1.1
1 25 124 17.5 1.4 1.5 1.4
1 1/4 32 133.4 19.1 1.7 2.0 1.8
1 1/2 40 155.5 20.6 2.5 2.9 2.7
2 50 165.1 22.4 2.9 3.4 3.2
2 1/2 65 190.5 25.4 4.3 5.2 4.9
3 80 215.9 28.4 5.9 6.9 6.8
3 1/2 90 228.6 30.2 7.3 8.7 8.7
4 100 254 31.8 9.6 11.2 11.5
5 125 279.4 35.1 12.3 15.1 15.6
6 150 317.5 36.6 15.6 19.1 20.9
8 200 381 41.1 24.2 29.9 34.3
10 250 444.5 47.6 34.1 42.7 53.3
12 300 520.7 50.8 49.8 61.8 78.8
14 350 584.2 53.8 69.9 85.8 105.0
16 400 647.7 57.2 88.1 106.0 137.0
18 450 711.2 60.5 109.0 131.0 175.0
20 500 774.7 63.5 134.0 158.0 221.0
24 600 914.4 70.0 201.0 230.0 339.0

Weight Chart of Class 600 Flanges to ASME B 16.5

Class 600 Flange Weight in KG

NOMINAL SIZE DIMENSIONS WEIGHT (KG)
NPS
(Inches)
DN (mm) FLANGE
OD
A
MM
FLANGE
THICKNESS
D
MM
SOW
SW
WN BLIND
1/2 15 95.3 14.2 0.7 0.9 0.8
3/4 20 117.3 15.7 1.3 1.5 1.3
1 25 124.0 17.5 1.5 1.8 1.6
1 1/4 32 133.4 20.6 2 2.5 2.2
1 1/2 40 155.4 22.4 3 3.5 3.3
2 50 165.1 25.4 3.6 4.4 4.2
2 1/2 65 190.5 28.4 5.3 6.4 6.1
3 80 209.6 31.8 7 8.5 8.4
3 1/2 90 228.6 35.1 8.8 10.7 11
4 100 273.1 38.1 14.5 17.4 17.3
5 125 330.2 44.5 24.4 29.2 29.4
6 150 355.6 47.8 28.7 34.9 36.1
8 200 419.1 55.6 43.4 53.9 58.9
10 250 508 63.5 70.3 86.5 97.5
12 300 558.8 66.5 84.2 103.0 124
14 350 603.3 69.9 98.7 122.0 151
16 400 685.8 76.2 142.0 170.0 214
18 450 743 82.6 173.0 204.0 272
20 500 812.8 88.9 220.0 254.0 349.0
24 600 939.8 101.6 312.0 358.0 533.0

Weight Chart of Class 900 Flanges to ASME B 16.5

Class 900 Flange Weight in KG

NOMINAL SIZE DIMENSIONS WEIGHT (KG)
NPS
(Inches)
DN (mm) FLANGE
OD
A
MM
FLANGE
THICKNESS
D
MM
SOW
SW
WN BLIND
1/2 15 120.7 22.4 1.8 1.9 1.8
3/4 20 130 25.4 2.4 2.6 2.4
1 25 149.4 28.4 3.6 3.7 3.6
1 1/4 32 158.8 28.4 4 4.3 4.1
1 1/2 40 177.8 31.8 5.5 5.9 5.8
2 50 215.9 38.1 10.2 10.8 10
2 1/2 65 244.3 41.1 13.9 15 14
3 80 241.3 38.1 11.6 13.7 13.1
4 100 292.1 44.5 19.7 22.5 26.9
5 125 349.3 50.8 31.9 37.4 36.5
6 150 381 55.6 41.1 47.7 47.4
8 200 469.9 63.5 70.7 81.3 82.5
10 250 546.1 69.9 101.0 119 122.0
12 300 609.6 79.2 133.0 157.0 173.0
14 350 641.4 85.6 153.0 180.0 206.0
16 400 704.9 88.9 185.0 217.0 259.0
18 450 787.4 101.6 258.0 292.0 367.0
20 500 857.3 108.0 317.0 362.0 463.0
24 600 1041.4 139.7 606.0 665.0 876.0

Weight Chart of Class 1500 Flanges to ASME B 16.5

Class 1500 Flange Weight in KG

NOMINAL SIZE DIMENSIONS WEIGHT (KG)
NPS
(Inches)
DN (mm) FLANGE
OD
A
MM
FLANGE
THICKNESS
D
MM
SOW
SW
WN BLIND
1/2 15 120.7 22.4 1.8 1.9 1.8
3/4 20 130 25.4 2.4 2.6 2.4
1 25 149.4 28.4 3.6 3.7 3.6
1 1/4 32 158.8 28.4 4 4.3 4.1
1 1/2 40 177.8 31.8 5.5 5.9 5.8
2 50 215.9 38.1 10.2 10.8 10.1
2 1/2 65 244.3 41.1 13.9 15 14
3 80 266.7 47.8   19.9 19.1
4 100 311.2 53.8   29.9 29.9
5 125 374.7 73.2   55.4 58.4
6 150 393.7 82.6   68.4 71.8
8 200 482.6 91.9   117 122
10 250 584.2 108   194.0 210.0
12 300 673.1 124   288.0 316.0
14 350 749.3 133.4   380.0 420
16 400 825.5 146.1   485.0 558.0
18 450 914.4 162.1   644.0 760.0
20 500 984.3 177.8   775.0 965.0
24 600 1168.4 203.2   1232.0 1558.0
             

Weight Chart of Class 2500 Flanges to ASME B 16.5

Class 2500 Flange Weight in KG

NOMINAL SIZE DIMENSIONS WEIGHT (KG)
NPS
(Inches)
DN (mm) FLANGE
OD
A
MM
FLANGE
THICKNESS
D
MM
WN BLIND
1/2 15 133.4 30.2 3.1 3.0
3/4 20 139.7 31.8 3.7 3.5
1 25 158.8 35.1 5.2 5.0
1 1/4 32 184.2 38.1 7.7 7.4
1 1/2 40 203.2 44.5 10.9 10.4
2 50 235 50.8 16.2 15.6
2 1/2 65 266.7 57.2 23.7 22.6
3 80 304.8 66.5 36.2 34.8
4 100 355.6 76.2 55.3 53.9
5 125 419.1 91.9 92.5 90.8
6 150 482.6 108 143.0 141
8 200 552.5 127 215.0 214
10 250 673.1 165.1 406.0 411.0
12 300 762 184.2 572.0 592.0

Flange Weights by Pressure Class and Size

Pipe Size (inch) 150 # 300 # 600 # 900 # 1500 # 2500 #
WN SO BLD WN SO BLD WN SO BLD WN SO BLD WN SO BLD WN SO BLD
1/2″ 2 1 1 2 1 1 2 2 2 SEE 1500 # WEIGHTS 5 4 4 7 7 7
3/4″ 2 2 2 3 3 3 4 3 3 SEE 1500 # WEIGHTS 6 5 6 8 8 8
1″ 3 2 2 4 3 3 4 4 4 SEE 1500 # WEIGHTS 9 8 8 12 11 11
1 1/2″ 4 3 3 7 6 6 8 7 8 SEE 1500 # WEIGHTS 13 12 13 25 22 23
2″ 6 5 5 9 7 8 12 9 10 SEE 1500 # WEIGHTS 25 25 25 42 37 39
2 1/2″ 8 7 7 12 10 12 18 13 15 SEE 1500 # WEIGHTS 36 36 35 52 55 56
3″ 10 8 9 15 13 16 23 16 20 31 26 29 48 48 48 94 83 86
4″ 15 13 17 25 22 27 42 37 41 53 53 54 73 73 73 145 125 130
5″ 19 15 20 32 28 35 68 63 68 86 83 87 130 130 140 245 210 225
6″ 24 19 26 42 39 50 81 80 86 110 110 115 165 165 160 380 325 345
8″ 39 30 45 67 58 81 120 115 140 175 170 200 275 260 300 580 485 530
10″ 52 43 70 91 81 124 190 170 230 260 245 290 455 435 510 1075 930 1025
12″ 80 64 110 140 115 185 225 200 295 325 325 415 690 580 690 1525 1100 1300
14″ 110 90 140 180 165 250 280 230 355 400 400 520 940 NA 975 NA NA NA
16″ 140 98 180 250 190 295 390 330 495 495 425 600 1250 NA 1300 NA NA NA
18″ 150 130 220 320 250 395 475 400 630 680 600 850 1625 NA 1750 NA NA NA
20″ 180 165 285 400 315 505 590 510 810 830 730 1075 2050 NA 2225 NA NA NA
22″ 225 185 355 465 370 640 720 590 1000 NA NA NA NA NA NA NA NA NA
24″ 260 220 430 580 475 790 830 730 1250 1500 1400 2025 3325 NA 3625 NA NA NA

Flange Weights are in pounds and will vary by different wall thicknesses.

Conversion Data
• 1 inch = 25.44 mm • 1 mm = 0.03937 inches • 1 lb/ft^2 = 47.88 Pa • 1 psi = 6.8948 Pa • x°F = (5/9)(x-32)°C
• 1 pound = 0.45359 Kg • 1 Kg = 2.20462 pounds • 1 Pa = 0.020885 lb/ft^2 • 1 Pa = 0.00014504 psi • x°C = (9/5)x + 32°F

Material grades A105 / A350 / A694 / A707 / Chrome & Alloys

Manufacturing capabilities

Welding necks / Blinds / Slip-ons / Orifice flanges / E and other Customer special requirements (from contour rings or special forgings – 4” diameter to 60” diameter).

150 # from 26” to 60” | 300 # from 26” to 48” | 600 # / 900 # / 1500 # / 2500 # all sizes