SLIP ON FLANGES ASME B16.5 Class 900

Nominal
Size
NPS
Outside
Diameter
of
Flange
Thickness
of
Flange
Diameter
of
Raised
Face
Diameter
Of Hub
At Base
Diameter
of Hub at
Point of
Welding
Length
thru
Hub
Number of
Bolt Holes
Diameter
of
Bolt
Holes
Diameter
of
Bolts
Diameter
of
Bolt
Circle
Approx.
Weight

Pounds
Kg

O C R X A Y
½ in.
mm
¾ in.
mm
1 in.
mm
1 ¼  in. Sizes ½ ” thru 2 ½” are identical to Class 1500
mm
1 ½  in.
mm
2 in.
mm
2 ½  in.
mm
3 in. 9.50 1.50 5.00 5.00 2.12 3.57 8 1.00  7/8 7.50 26
mm 241.30 38.10 127.00 127.00 53.80 90.70 25.40 22.2 190.50 12
4 in. 11.50 1.75 6.19 6.25 2.75 4.57 8 1.25 1 1/8 9.25 53
mm 292.10 44.50 157.20 158.80 69.90 116.10 31.80 28.6 235.00 24
5 in. 13.75 2.00 7 31 7.50 3.12 5 66 8 1.38 1 ¼ 11.00 83
mm 349.30 50.80 185 7 190.50 79.20 143 8 35.10 31.8 279.40 38
6 in. 15.00 2.19 8.50 9.25 3.38 6.72 12 1.25 1 1/8 12.50 110
mm 381.00 55.60 215.90 235.00 85.90 170.70 31.80 28.6 317.50 50
8 in. 18 50 2.50 10.62 11 75 4.00 8.72 12 1.50 1 3/8 15.50 170
mm 469 9 63.50 269.70 298 5 101.60 221.50 38.10 34.9 393.70 77
10 in. 21.50 2.75 12.75 14.50 4.25 10.88 16 1.50 1 3/8 18.50 245
mm 546.10 69.90 323.90 368.30 108.00 276.40 38.10 34.9 469.90 111
12 in. 24.00 3.12 15.00 16.50 4.62 12.88 20 1.50 1 3/8 21.00 325
mm 609.60 79.20 381.00 419.10 117.30 327.20 38.10 34.9 533.40 147
14 in. 25.25 3.38 16.25 17.75 5.12 14.14 20 1.62 1 ½ 22.00 400
mm 641.40 85.90 412.80 450.90 130.00 359.20 41.10 38.1 558.80 181
16 in. 27.75 3.50 18.50 20.00 5.25 16.16 20 1.75 1 5/8 24.25 425
mm 704.90 88.90 469.90 508.00 133.40 410.50 44.50 41.3 616.00 193
18 in. 31.00 4.00 21.00 22.25 6.00 18.18 20 2.00 1 7/8 27.00 600
mm 787.40 101.60 533.40 565.20 152.40 461.80 50.80 47.6 685.80 272
20 in. 33.75 4.25 23.00 24.50 6.25 20.20 20 2.12 2 29.50 730
mm 857 3 108.00 584.20 622.30 158.80 513.10 53.80 50.8 749.30 331
24 in. 41.00 5.50 27.25 29.50 8.00 24.25 20 2.62 2 ½ 35.50 1400
mm 1041.40 139.70 692.20 749.30 203.20 616.00 66.50 63.5 901.70 635