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Flanges Dimensions

 

Buttweld Fittings Dimension

 

Nominal Pipe Size Outside Diameter Center to Face Back to Face Center to Center Length "L" MSS SS P43
Inch. mm D A B C N E F G R M S L L
1/2 15 21.3 38.00 16.0 25.0 25.0 48.0 76.0 35.0 50.8 76.2
3/4 20 26.7 29.00 11.0 29.0 25.0 43.0 57.0 43.0 50.8 76.2
1 25 33.4 38.00 22.0 38.0 25.0 38.0 56.0 41.0 76.0 51.0 51.0 50.8 101.6
1 1/4 32 42.2 48.00 25.0 48.0 32.0 38.0 70.0 52.0 95.0 64.0 64.0 50.8 101.6
1 1/2 40 48.3 57.15 29.0 57.0 38.0 38.0 83.0 62.0 114.0 76.0 73.0 50.8 101.6
2 50 60.3 76.00 35.0 64.0 51.0 38.0 106.0 81.0 152.0 102.0 93.0 63.5 152.4
2112 65 73 95.25 44.0 76.0 64.0 38.0 132.0 100.0 191.0 127.0 105.0 63.5 152.4
3 80 88.9 114.30 51.0 86.0 76.0 51.0 159.0 121.0 229.0 152.0 127.0 63.5 152.4
31/2 90 101.6 133.35 57.0 95.0 89.0 64.0 184.0 140.0 267.0 178.0 140.0 76.2 152.4
4 100 114.3 152.0 63.0 105.0 102.0 64.0 210.0 159.0 305.0 203.0 157.0 76.2 152.4
5 125 141.3 190.0 79.0 123.0 127.0 76.0 262.0 197.0 381.0 254.0 186.0 76.2 203.2
6 150 168.3 229.0 95.0 143.0 152.0 89.0 313.0 237.0 457.0 305.0 216.0 88.9 203.2
8 200 219.1 305.0 127.0 178.0 203.0 102.0 414.0 313.0 610.0 406.0 270.0 101.6 203.2
10 250 273.1 381.0 159.0 216.0 254.0 127.0 515.0 391.0 762.0 508.0 324.0 127 254
12 300 323.9 457.0 190.0 254.0 303.0 152.0 619.0 467.0 914.0 610.0 381.0 152.4 254
14 350 355.6 533.0 222.0 279.0 356.0 165.0 711.0 533.0 1067.0 711.0 413.0 152.4 305.0
16 400 406.4 610.0 254.0 305.0 406.0 178.0 813.0 610.0 1219.0 813.0 470.0 152.4 305.0
18 450 457.2 686.0 286.0 343.0 457.0 203.0 914.0 686.0 1372.0 914.0 533.0 152.4 305.0
20 500 508 762.0 318.0 381.0 508.0 229.0 1016.0 762.0 1524.0 1016.0 584.0 152.4 305.0
22 550 559 838.0 343.0 419.0 559.0 254.0 t 1I8.0 838.0 1676.0 1118.0 6I4.4 152.4 305.0
24 600 610 914.0 381.0 432.0 610.0 267.0 1219.0 914.0 1829.0 1219.0 692.0 152.4 305.0
26 650 660 991.0 406.0 495.0 660.0 267.0
28 700 711 1067.0 438.0 521.0 771.0 267.0
30 750 762 1143.0 470.0 589.0 762.0 267.0
32 800 813 1219.0 502.0 597.0 813.0 267.0
34 850 864 1295.0 533.0 635.0 864.0 267.0
36 900 914 1372.0 565.0 673.0 914.0 267.0

 

WELD NECK FLANGES

Class 150 300 400 600 900 1500 2500
Diameter - A 30 38 38 38 38 38 43
Diameter - D 90 95 95 95 120 120 135
Thickness - B 9.6 12.7 14.3 14.3 22.3 22.3 30.2
11.2 14.3 20.7 20.7 28.7 28.7 36.6
Diameter - G 35.1 35.1 35.1 35.1 35.1 35.1 35.1
Diameter - K 60.3 66.7 66.7 66.7 82.6 82.6 88.9
Height - H 46 51 52 52 60 60 73
47.6 52.6 58.4 58.4 66.4 66.4 79.4
Bolt Holes 4 4 4 4 4 4 4
Diameter - L 15.9 15.9 15.9 15.9 22.2 22.2 22.2
Stud Bolts Diameter x Length
Diameter (in) 1/2 1/2 1/2 1/2 3/4 3/4 3/4
Length (mm) 55 65 75 75 110 110 120

SLIP ON FLANGES<

Class 150 300 400 600 900 1500 2500
Diameter - A 30 38 38 38 38 38 ...
Diameter - D 90 95 95 95 120 120 ...
Thickness - B 9.6 12.7 14.3 14.3 22.3 22.3 ...
11.2 14.3 20.7 20.7 28.7 28.7 ...
Diameter - G 35.1 35.1 35.1 35.1 35.1 35.1 ...
Diameter - K 60.3 66.7 66.7 66.7 82.6 82.6 ...
Height - H 14 21 22 22 32 32 ...
15.6 22.6 28.4 28.4 38.4 38.4 ...
Bolt Holes 4 4 4 4 4 4 ...
Diameter - L 15.9 15.9 15.9 15.9 22.2 22.2 ...
Stud Bolts Diameter x Length
Diameter (in) 1/2 1/2 1/2 1/2 3/4 3/4 ...
Length (mm) 55 65 75 75 110 110 ...

 

SOCKETWELD FLANGES

Class 150 300 400 600 900 1500 2500
Diameter - A 30 38 ... 38 ... 38 ...
Diameter - D 90 95 ... 95 ... 120 ...
Thickness - B 9.6 12.7 ... 14.3 ... 22.3 ...
11.2 14.3 ... 20.7 ... 28.7 ...
Diameter - G 35.1 35.1 ... 35.1 ... 35.1 ...
Diameter - K 60.3 66.7 ... 66.7 ... 82.6 ...
Height - H 14 21 ... 22 ... 32 ...
15.6 22.6 ... 28.4 ... 38.4 ...
Bolt Holes 4 4 ... 4 ... 4 ...
Diameter - L 15.9 15.9 ... 15.9 ... 22.2 ...
Stud Bolts Diameter x Length
Diameter (in) 1/2 1/2 ... 1/2 ... 3/4 ...
Length (mm) 55 65 ... 75 ... 110 ...

LAP JOINT FLANGES

Class 150 300 400 600 900 1500 2500
Diameter - A 30 38 38 38 38 38 43
Diameter - D 90 95 95 95 120 120 135
Thickness - B 11.2 14.3 14.3 14.3 22.3 22.3 30.2
Diameter - G 35.1 35.1 35.1 35.1 35.1 35.1 35.1
Diameter - K 60.3 66.7 66.7 66.7 82.6 82.6 88.9
Height - H 16 22 22 22 32 32 40
Bolt Holes 4 4 4 4 4 4 4
Diameter - L 15.9 15.9 15.9 15.9 22.2 22.2 22.2
Stud Bolts Diameter x Length
Diameter (in) 1/2 1/2 1/2 1/2 3/4 3/4 3/4
Length (mm) 55 65 75 75 110 110 120

THREADED FLANGES

Class 150 300 400 600 900 1500 2500
Diameter - A 30 38 38 38 38 38 43
Diameter - D 90 95 95 95 120 120 135
Thickness - B 9.6 12.7 14.3 14.3 22.3 22.3 30.2
11.2 14.3 20.7 20.7 28.7 28.7 36.6
Diameter - G 35.1 35.1 35.1 35.1 35.1 35.1 35.1
Diameter - K 60.3 66.7 66.7 66.7 82.6 82.6 88.9
Height - H 14 21 22 22 32 32 40
15.6 22.6 28.4 28.4 38.4 38.4 46.4
Bolt Holes 4 4 4 4 4 4 4
Diameter - L 15.9 15.9 15.9 15.9 22.2 22.2 22.2
Stud Bolts Diameter x Length
Diameter (in) 1/2 1/2 1/2 1/2 3/4 3/4 3/4
Length (mm) 55 65 75 75 110 110 120

BLIND FLANGES

Class 150 300 400 600 900 1500 2500
Diameter - D 90 95 95 95 120 120 135
Height - B 9.6 12.7 14.3 14.3 22.3 22.3 30.2
11.2 14.3 20.7 20.7 28.7 28.7 36.6
Diameter - G 35.1 35.1 35.1 35.1 35.1 35.1 35.1
Diameter - K 60.3 66.7 66.7 66.7 82.6 82.6 88.9
Bolt Holes 4 4 4 4 4 4 4
Diameter - L 15.9 15.9 15.9 15.9 22.2 22.2 22.2
Stud Bolts Diameter x Length
Diameter (in) 1/2 1/2 1/2 1/2 3/4 3/4 3/4
Length (mm) 55 65 75 75 110 110 120