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  • All dimensions are in inches.
  • These flanges will be furnished with a 1/4" raised face unless otherwise specified.
  • Flat face option available.

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ANSI B16.5 Slip on 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)

Bore (B)

Approximate Weight

Bolt Circle (C)

Number of Holes

Diameter of Holes

0H1500SOAN N/A 1/2 N/A 4.75 in N/A 0.88 in N/A 1.38 in N/A 1.25 in N/A 1.50 in N/A 0.88 in N/A 4 lb N/A 3.25 in N/A 4 N/A 0.88 in
3Q1500SOAN N/A 3/4 N/A 5.13 in N/A 1.00 in N/A 1.69 in N/A 1.38 in N/A 1.75 in N/A 1.09 in N/A 5 lb N/A 3.50 in N/A 4 N/A 0.88 in
011500SOAN N/A 1 N/A 5.88 in N/A 1.13 in N/A 2.00 in N/A 1.63 in N/A 2.06 in N/A 1.36 in N/A 8 lb N/A 4.00 in N/A 4 N/A 1.00 in
1Q1500SOAN N/A 1 1/4 N/A 6.25 in N/A 1.13 in N/A 2.50 in N/A 1.63 in N/A 2.50 in N/A 1.70 in N/A 9 lb N/A 4.38 in N/A 4 N/A 1.00 in
1H1500SOAN N/A 1 1/2 N/A 7.00 in N/A 1.25 in N/A 2.88 in N/A 1.75 in N/A 2.75 in N/A 1.95 in N/A 12 lb N/A 4.88 in N/A 4 N/A 1.13 in
021500SOAN N/A 2 N/A 8.50 in N/A 1.50 in N/A 3.63 in N/A 2.25 in N/A 4.13 in N/A 2.44 in N/A 25 lb N/A 6.50 in N/A 8 N/A 1.00 in
2H1500SOAN N/A 2 1/2 N/A 9.63 in N/A 1.63 in N/A 4.13 in N/A 2.50 in N/A 4.88 in N/A 2.94 in N/A 36 lb N/A 7.50 in N/A 8 N/A 1.13 in
031500SOAN N/A 3 N/A 10.50 in N/A 1.88 in N/A 5.00 in N/A 2.88 in N/A 5.25 in N/A 3.57 in N/A 48 lb N/A 8.00 in N/A 8 N/A 1.25 in
041500SOAN N/A 4 N/A 12.25 in N/A 2.13 in N/A 6.19 in N/A 3.56 in N/A 6.38 in N/A 4.57 in N/A 73 lb N/A 9.50 in N/A 8 N/A 1.38 in
051500SOAN N/A 5 N/A 14.75 in N/A 2.88 in N/A 7.31 in N/A 4.13 in N/A 7.75 in N/A 5.66 in N/A 130 lb N/A 11.50 in N/A 8 N/A 1.63 in
061500SOAN N/A 6 N/A 15.50 in N/A 3.25 in N/A 8.50 in N/A 4.69 in N/A 9.00 in N/A 6.72 in N/A 165 lb N/A 12.50 in N/A 12 N/A 1.50 in
081500SOAN N/A 8 N/A 19.00 in N/A 3.63 in N/A 10.63 in N/A 5.63 in N/A 11.50 in N/A 8.72 in N/A 260 lb N/A 15.50 in N/A 12 N/A 1.75 in
101500SOAN N/A 10 N/A 23.00 in N/A 4.25 in N/A 12.75 in N/A 6.25 in N/A 14.50 in N/A 10.88 in N/A 435 lb N/A 19.00 in N/A 12 N/A 2.00 in
121500SOAN N/A 12 N/A 26.50 in N/A 4.88 in N/A 15.00 in N/A 7.13 in N/A 17.75 in N/A 12.88 in N/A 580 lb N/A 22.50 in N/A 16 N/A 2.13 in
Unit of Measure
1