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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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Industry Standard Slip-On Flange 1-16
Unit of Measure
1 

Item #

Nominal Pipe Size

Outside Diameter (O)

Thickness (T)

Raised Face Diameter (R)

Length Thru Hub (Y)

Base of Hub Diameter (X)

Bore (B)

Approximate Weight

Bolt Circle (C)

Number of Holes

Diameter of Bolt Holes

26250SOIS N/A 26 N/A 38.25 in N/A 2.81 in N/A 32.44 in N/A 4.75 in N/A 30.50 in N/A 26.25 in N/A 530 lb N/A 34.50 in N/A 28 N/A 1.88 in
28250SOIS N/A 28 N/A 40.75 in N/A 2.94 in N/A 34.94 in N/A 5.00 in N/A 33.00 in N/A 28.25 in N/A 640 lb N/A 37.00 in N/A 28 N/A 1.88 in
30250SOIS N/A 30 N/A 43.00 in N/A 3.00 in N/A 37.19 in N/A 5.00 in N/A 35.25 in N/A 30.25 in N/A 710 lb N/A 39.25 in N/A 28 N/A 1.88 in
32250SOIS N/A 32 N/A 45.25 in N/A 3.12 in N/A 39.44 in N/A 5.13 in N/A 37.50 in N/A 32.25 in N/A 800 lb N/A 41.50 in N/A 28 N/A 1.88 in
34250SOIS N/A 34 N/A 47.50 in N/A 3.25 in N/A 41.44 in N/A 5.25 in N/A 39.50 in N/A 34.25 in N/A 890 lb N/A 43.50 in N/A 28 N/A 1.88 in
36250SOIS N/A 36 N/A 50.00 in N/A 3.38 in N/A 43.69 in N/A 5.38 in N/A 41.50 in N/A 36.25 in N/A 970 lb N/A 46.00 in N/A 32 N/A 2.13 in
38250SOIS N/A 38 N/A 52.25 in N/A 3.44 in N/A 45.69 in N/A 5.50 in N/A 43.50 in N/A 38.25 in N/A 1050 lb N/A 48.00 in N/A 32 N/A 2.13 in
40250SOIS N/A 40 N/A 54.50 in N/A 3.56 in N/A 47.94 in N/A 5.50 in N/A 45.75 in N/A 40.25 in N/A 1175 lb N/A 50.25 in N/A 36 N/A 2.13 in
42250SOIS N/A 42 N/A 57.00 in N/A 3.69 in N/A 50.44 in N/A 5.63 in N/A 47.75 in N/A 42.25 in N/A 1300 lb N/A 52.75 in N/A 36 N/A 2.13 in
44250SOIS N/A 44 N/A 59.25 in N/A 3.75 in N/A 52.69 in N/A 5.75 in N/A 49.75 in N/A 44.25 in N/A 1400 lb N/A 55.00 in N/A 36 N/A 2.13 in
46250SOIS N/A 46 N/A 61.50 in N/A 3.88 in N/A 54.94 in N/A 5.88 in N/A 51.75 in N/A 46.25 in N/A 1500 lb N/A 57.25 in N/A 40 N/A 2.13 in
48250SOIS N/A 48 N/A 65.00 in N/A 4.00 in N/A 58.44 in N/A 6.00 in N/A 54.00 in N/A 48.25 in N/A 1800 lb N/A 60.75 in N/A 40 N/A 2.13 in
Unit of Measure
1