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ANSI 150 Lap Joint Flange
Unit of Measure
1 

Item #

Nominal Pipe Size

Outside Diameter (O)

Thickness (T)

Length Thru Hub (Y)

Hub Diameter (X)

Radius (r)

Bore (B)

Approximate Weight

Bolt Circle (C)

Number of Holes

Diameter of Holes

0H150LJAN N/A 1/2 N/A 3.50 in N/A 0.44 in N/A 0.63 in N/A 1.19 in N/A 0.13 in N/A 0.90 in N/A 1 lb N/A 2.38 in N/A 4 N/A 0.63 in
3Q150LJAN N/A 3/4 N/A 3.88 in N/A 0.50 in N/A 0.63 in N/A 1.50 in N/A 0.13 in N/A 1.11 in N/A 2 lb N/A 2.75 in N/A 4 N/A 0.63 in
01150LJAN N/A 1 N/A 4.25 in N/A 0.56 in N/A 0.69 in N/A 1.94 in N/A 0.13 in N/A 1.38 in N/A 2 lb N/A 3.13 in N/A 4 N/A 0.63 in
1Q150LJAN N/A 1 1/4 N/A 4.63 in N/A 0.63 in N/A 0.81 in N/A 2.31 in N/A 0.19 in N/A 1.72 in N/A 3 lb N/A 3.50 in N/A 4 N/A 0.63 in
1H150LJAN N/A 1 1/2 N/A 5.00 in N/A 0.69 in N/A 0.88 in N/A 2.56 in N/A 0.25 in N/A 1.97 in N/A 3 lb N/A 3.88 in N/A 4 N/A 0.63 in
02150LJAN N/A 2 N/A 6.00 in N/A 0.75 in N/A 1.00 in N/A 3.06 in N/A 0.31 in N/A 2.46 in N/A 5 lb N/A 4.75 in N/A 4 N/A 0.75 in
2H150LJAN N/A 2 1/2 N/A 7.00 in N/A 0.88 in N/A 1.13 in N/A 3.56 in N/A 0.31 in N/A 2.97 in N/A 7 lb N/A 5.50 in N/A 4 N/A 0.75 in
03150LJAN N/A 3 N/A 7.50 in N/A 0.94 in N/A 1.19 in N/A 4.25 in N/A 0.38 in N/A 3.60 in N/A 8 lb N/A 6.00 in N/A 4 N/A 0.75 in
3H150LJAN N/A 3 1/2 N/A 8.50 in N/A 0.94 in N/A 1.25 in N/A 4.81 in N/A 0.38 in N/A 4.10 in N/A 11 lb N/A 7.00 in N/A 8 N/A 0.75 in
04150LJAN N/A 4 N/A 9.00 in N/A 0.94 in N/A 1.31 in N/A 5.31 in N/A 0.44 in N/A 4.60 in N/A 13 lb N/A 7.50 in N/A 8 N/A 0.75 in
05150LJAN N/A 5 N/A 10.00 in N/A 0.94 in N/A 1.44 in N/A 6.44 in N/A 0.44 in N/A 5.69 in N/A 15 lb N/A 8.50 in N/A 8 N/A 0.88 in
06150LJAN N/A 6 N/A 11.00 in N/A 1.00 in N/A 1.56 in N/A 7.56 in N/A 0.50 in N/A 6.75 in N/A 19 lb N/A 9.50 in N/A 8 N/A 0.88 in
08150LJAN N/A 8 N/A 13.50 in N/A 1.13 in N/A 1.75 in N/A 9.69 in N/A 0.50 in N/A 8.75 in N/A 30 lb N/A 11.75 in N/A 8 N/A 0.88 in
10150LJAN N/A 10 N/A 16.00 in N/A 1.19 in N/A 1.94 in N/A 12.00 in N/A 0.50 in N/A 10.92 in N/A 43 lb N/A 14.25 in N/A 12 N/A 1.00 in
12150LJAN N/A 12 N/A 19.00 in N/A 1.25 in N/A 2.19 in N/A 14.38 in N/A 0.50 in N/A 12.92 in N/A 64 lb N/A 17.00 in N/A 12 N/A 1.00 in
14150LJAN N/A 14 N/A 21.00 in N/A 1.38 in N/A 3.13 in N/A 15.75 in N/A 0.50 in N/A 14.18 in N/A 105 lb N/A 18.75 in N/A 12 N/A 1.13 in
16150LJAN N/A 16 N/A 23.50 in N/A 1.44 in N/A 3.44 in N/A 18.00 in N/A 0.50 in N/A 16.19 in N/A 140 lb N/A 21.25 in N/A 16 N/A 1.13 in
18150LJAN N/A 18 N/A 25.00 in N/A 1.56 in N/A 2.88 in N/A 19.88 in N/A 0.50 in N/A 18.20 in N/A 160 lb N/A 22.75 in N/A 16 N/A 1.25 in
20150LJAN N/A 20 N/A 27.50 in N/A 1.69 in N/A 4.06 in N/A 22.00 in N/A 0.50 in N/A 20.25 in N/A 195 lb N/A 25.00 in N/A 20 N/A 1.25 in
22150LJAN N/A 22 N/A 29.50 in N/A 1.81 in N/A 4.25 in N/A 24.25 in N/A 0.50 in N/A 22.25 in N/A 245 lb N/A 27.25 in N/A 20 N/A 1.38 in
24150LJAN N/A 24 N/A 32.00 in N/A 1.88 in N/A 4.38 in N/A 26.13 in N/A 0.50 in N/A 24.25 in N/A 275 lb N/A 29.50 in N/A 20 N/A 1.38 in
Unit of Measure
1