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SLIP ON FLANGES ASME B16.5 Class 300

Nominal
Size
NPS		 Outside
Diameter
of
Flange		 Thickness
of
Flange		 Diameter
of
Raised
Face(2)		 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. 3.75 0.56 1.38 1.50 0.88 0.88 4 0.62 ½ 2.62 2
mm 95.30 14.20 35.10 38.10 22.40 22.40 15.70 12.7 66.50 1
¾ in. 4.62 0.62 1.69 1.88 1.00 1.09 4 0.75  5/8 3.25 3
mm 117.30 15.70 42.90 47.80 25.40 27.70 19.10 15.9 82.60 1
1 in. 4.88 0.69 2.00 2.12 1.06 1.36 4 0.75  5/8 3.50 3
mm 124.00 17.50 50.80 53.80 26.90 34.50 19.10 15.9 88.90 1
1 ¼  in. 5.25 0 75 2.50 2.50 1.06 1.70 4 0.75  5/8 3.88 4
mm 133.40 19.10 63.50 63.50 26.90 43.20 19.10 15.9 98.60 2
1 ½  in. 6.12 0.81 2.88 2.75 1.19 1.95 4 0.88 ¾ 4.50 6
mm 155.40 20.60 73.20 69.90 30.20 49.50 22.40 19.1 114.30 3
2 in. 6.50 0.88 3.62 3.31 1.31 2.44 8 0.75  5/8 5.00 7
mm 165.10 22.40 91.90 84.10 33.30 62.00 19.10 15.9 127.00 3
2 ½  in. 7.50 1.00 4.12 3.94 1.50 2.94 8 0.88 ¾ 5.88 10
mm 190.50 25.40 104.60 100.10 38.10 74.70 22.40 19.1 149.40 5
3 in. 8.25 1.12 5.00 4.62 1.69 3.57 8 0.88 ¾ 6.62 13
mm 209.60 28.40 127.00 117.30 42.90 90.70 22.40 19.1 168.10 6
3 ½ in. 9.00 1.19 5.50 5.25 1.75 4.07 8 0.88 ¾ 7.25 17
mm 228.60 30.20 139.70 133.40 44.50 103.40 22.40 19.1 184.20 8
4 in. 10.00 1.25 6.19 5.75 1.88 4.57 8 0.88 ¾ 7.88 22
mm 254.00 31.80 157.20 146.10 47.80 116.10 22.40 19.1 200.20 10
5 in. 11.00 1.38 7.31 7.00 2.00 5.66 8 0.88 ¾ 9.25 28
mm 279.40 35.10 185.70 177.80 50.80 143.80 22.40 19.1 235.00 13
6 in. 12.50 1.44 8.50 8.12 2.06 6.72 12 0.88 ¾ 10.62 39
mm 317.50 36.60 215.90 206.20 52.30 170.70 22.40 19.1 269.70 18
8 in. 15.00 1.62 10.62 10.25 2.44 8.72 12 1.00  7/8 13.00 58
mm 381.00 41.10 269.70 260.40 62.00 221.50 25.40 22.2 330.20 26
10 in. 17.50 1.88 12.75 12.62 2.62 10.88 16 1.12 1 15.25 81
mm 444.50 47.80 323.90 320.50 66.50 276.40 28.40 25.4 387.40 37
12 in. 20.50 2.00 15.00 14.75 2.88 12.88 16 1.25 1 1/8 17.75 115
mm 520.70 50.80 381.00 374.70 73.20 327.20 31.80 28.6 450.90 52
14 in. 23.00 2.12 16.25 16.75 3.00 14.14 20 1.25 1 1/8 20.25 165
mm 584.20 53.80 412.80 425.50 76.20 359.20 31.80 28.6 514.40 75
16 in. 25.50 2.25 18.50 19.00 3.25 16.16 20 1.38 1 ¼ 22.50 190
mm 647.70 57.20 469.90 482.60 82.60 410.50 35.10 31.8 571.50 86
18 in. 28.00 2.38 21.00 21.00 3.50 18.18 24 1.38 1 ¼ 24.75 250
mm 711.20 60.50 533.40 533.40 88.90 461.80 35.10 31.8 628.70 113
20 in. 30.50 2.50 23.00 23.12 3.75 20.20 24 1.38 1 ¼ 27.00 315
mm 774.70 63.50 584.20 587.20 95.30 513.10 35.10 31.8 685.80 143
24 in. 36.00 27.25 27.62 4.19 24.25 24 1.62 1 ½ 32.00 475
mm 914.40 69.90 692.20 701.50 106.40 616.00 41.10 38.1 812.80 215

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