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  • All dimensions are in inches.
  • These flanges will be furnished with a 1/16" raised face unless otherwise specified.
  • Flat face option available.

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ANSI 150 Threaded Flange
Unit of Measure
1 

Item #

Nominal Pipe Size

Outside Diameter (O)

Thickness (T)

Raised Face Diameter (R)

Length Thru Hub (Y)

Hub Diameter (X)

Approximate Weight

Bolt Circle (C)

Number of Holes

Diameter of Holes

0H300THAN N/A 1/2 N/A 3.75 in N/A 0.56 in N/A 1.38 in N/A 0.88 in N/A 1.50 in N/A 2 lb N/A 2.63 in N/A 4 N/A 0.63 in
3Q300THAN N/A 3/4 N/A 4.63 in N/A 0.63 in N/A 1.69 in N/A 1.00 in N/A 1.88 in N/A 3 lb N/A 3.25 in N/A 4 N/A 0.75 in
01300THAN N/A 1 N/A 4.88 in N/A 0.69 in N/A 2.00 in N/A 1.06 in N/A 2.13 in N/A 3 lb N/A 3.50 in N/A 4 N/A 0.75 in
1Q300THAN N/A 1 1/4 N/A 5.25 in N/A 0.75 in N/A 2.50 in N/A 1.06 in N/A 2.50 in N/A 4 lb N/A 3.88 in N/A 4 N/A 0.75 in
1H300THAN N/A 1 1/2 N/A 6.13 in N/A 0.81 in N/A 2.88 in N/A 1.19 in N/A 2.75 in N/A 6 lb N/A 4.50 in N/A 4 N/A 0.88 in
02300THAN N/A 2 N/A 6.50 in N/A 0.88 in N/A 3.63 in N/A 1.31 in N/A 3.31 in N/A 7 lb N/A 5.00 in N/A 8 N/A 0.75 in
2H300THAN N/A 2 1/2 N/A 7.50 in N/A 1.00 in N/A 4.13 in N/A 1.50 in N/A 3.94 in N/A 10 lb N/A 5.88 in N/A 8 N/A 0.88 in
03300THAN N/A 3 N/A 8.25 in N/A 1.13 in N/A 5.00 in N/A 1.69 in N/A 4.63 in N/A 13 lb N/A 6.63 in N/A 8 N/A 0.88 in
3H300THAN N/A 3 1/2 N/A 9.00 in N/A 1.19 in N/A 5.50 in N/A 1.75 in N/A 5.25 in N/A 17 lb N/A 7.25 in N/A 8 N/A 0.88 in
04300THAN N/A 4 N/A 10.00 in N/A 1.25 in N/A 6.19 in N/A 1.88 in N/A 5.75 in N/A 22 lb N/A 7.88 in N/A 8 N/A 0.88 in
05300THAN N/A 5 N/A 11.00 in N/A 1.38 in N/A 7.31 in N/A 2.00 in N/A 7.00 in N/A 28 lb N/A 9.25 in N/A 8 N/A 0.88 in
06300THAN N/A 6 N/A 12.50 in N/A 1.44 in N/A 8.50 in N/A 2.06 in N/A 8.13 in N/A 39 lb N/A 10.63 in N/A 12 N/A 0.88 in
08300THAN N/A 8 N/A 15.00 in N/A 1.63 in N/A 10.63 in N/A 2.44 in N/A 10.25 in N/A 58 lb N/A 13.00 in N/A 12 N/A 1.00 in
10300THAN N/A 10 N/A 17.50 in N/A 1.88 in N/A 12.75 in N/A 2.62 in N/A 12.63 in N/A 81 lb N/A 15.25 in N/A 16 N/A 1.13 in
12300THAN N/A 12 N/A 20.50 in N/A 2.00 in N/A 15.00 in N/A 2.88 in N/A 14.75 in N/A 115 lb N/A 17.75 in N/A 16 N/A 1.25 in
14300THAN N/A 14 N/A 23.00 in N/A 2.13 in N/A 16.25 in N/A 3.00 in N/A 16.75 in N/A 165 lb N/A 20.25 in N/A 20 N/A 1.25 in
16300THAN N/A 16 N/A 25.50 in N/A 2.25 in N/A 18.50 in N/A 3.25 in N/A 19.00 in N/A 190 lb N/A 22.50 in N/A 20 N/A 1.38 in
18300THAN N/A 18 N/A 28.00 in N/A 2.38 in N/A 21.00 in N/A 3.50 in N/A 21.00 in N/A 250 lb N/A 24.75 in N/A 24 N/A 1.38 in
20300THAN N/A 20 N/A 30.50 in N/A 2.50 in N/A 23.00 in N/A 3.75 in N/A 23.13 in N/A 315 lb N/A 27.00 in N/A 24 N/A 1.38 in
22300THAN N/A 22 N/A 33.00 in N/A 2.63 in N/A 25.25 in N/A 4.00 in N/A 25.25 in N/A 370 lb N/A 29.25 in N/A 24 N/A 1.63 in
24300THAN N/A 24 N/A 36.00 in N/A 2.75 in N/A 27.25 in N/A 4.19 in N/A 27.63 in N/A 475 lb N/A 32.00 in N/A 24 N/A 1.63 in
Unit of Measure
1