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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

26175SOIS N/A 26 N/A 31.50 in N/A 1.38 in N/A 29.00 in N/A 2.75 in N/A 27.63 in N/A 26.25 in N/A 105 lb N/A 29.88 in N/A 28 N/A 0.88 in
28175SOIS N/A 28 N/A 33.50 in N/A 1.38 in N/A 31.00 in N/A 2.75 in N/A 29.63 in N/A 28.25 in N/A 115 lb N/A 31.88 in N/A 28 N/A 0.88 in
30175SOIS N/A 30 N/A 35.75 in N/A 1.38 in N/A 33.25 in N/A 2.75 in N/A 31.88 in N/A 30.25 in N/A 130 lb N/A 34.13 in N/A 36 N/A 0.88 in
32175SOIS N/A 32 N/A 37.75 in N/A 1.38 in N/A 35.25 in N/A 2.75 in N/A 33.88 in N/A 32.25 in N/A 140 lb N/A 36.13 in N/A 36 N/A 0.88 in
34175SOIS N/A 34 N/A 40.25 in N/A 1.75 in N/A 37.38 in N/A 3.38 in N/A 35.88 in N/A 34.25 in N/A 200 lb N/A 38.38 in N/A 36 N/A 1.00 in
36175SOIS N/A 36 N/A 42.25 in N/A 1.75 in N/A 39.38 in N/A 3.38 in N/A 37.88 in N/A 36.25 in N/A 210 lb N/A 40.38 in N/A 36 N/A 1.00 in
38175SOIS N/A 38 N/A 44.25 in N/A 2.00 in N/A 41.38 in N/A 3.75 in N/A 39.88 in N/A 38.25 in N/A 250 lb N/A 42.38 in N/A 36 N/A 1.00 in
40175SOIS N/A 40 N/A 46.25 in N/A 2.00 in N/A 43.38 in N/A 4.00 in N/A 41.88 in N/A 40.25 in N/A 270 lb N/A 44.38 in N/A 40 N/A 1.00 in
42175SOIS N/A 42 N/A 49.00 in N/A 2.38 in N/A 45.75 in N/A 4.38 in N/A 44.13 in N/A 42.25 in N/A 365 lb N/A 46.88 in N/A 40 N/A 1.13 in
44175SOIS N/A 44 N/A 51.00 in N/A 2.38 in N/A 47.75 in N/A 4.38 in N/A 46.13 in N/A 44.25 in N/A 380 lb N/A 48.88 in N/A 40 N/A 1.13 in
46175SOIS N/A 46 N/A 53.00 in N/A 2.38 in N/A 49.75 in N/A 4.63 in N/A 48.13 in N/A 46.25 in N/A 410 lb N/A 50.88 in N/A 40 N/A 1.13 in
48175SOIS N/A 48 N/A 55.00 in N/A 2.63 in N/A 51.75 in N/A 4.88 in N/A 50.13 in N/A 48.25 in N/A 460 lb N/A 52.88 in N/A 44 N/A 1.13 in
50175SOIS N/A 50 N/A 57.00 in N/A 2.63 in N/A 53.75 in N/A 4.88 in N/A 52.13 in N/A 50.25 in N/A 480 lb N/A 54.88 in N/A 44 N/A 1.13 in
52175SOIS N/A 52 N/A 59.50 in N/A 3.00 in N/A 56.00 in N/A 5.38 in N/A 54.25 in N/A 52.25 in N/A 600 lb N/A 57.25 in N/A 44 N/A 1.25 in
54175SOIS N/A 54 N/A 61.50 in N/A 3.00 in N/A 58.00 in N/A 5.38 in N/A 56.25 in N/A 54.25 in N/A 620 lb N/A 59.25 in N/A 44 N/A 1.25 in
60175SOIS N/A 60 N/A 67.50 in N/A 3.13 in N/A 64.00 in N/A 5.88 in N/A 62.25 in N/A 60.25 in N/A 730 lb N/A 65.25 in N/A 48 N/A 1.25 in
66175SOIS N/A 66 N/A 73.50 in N/A 4.00 in N/A 70.00 in N/A 6.88 in N/A 68.50 in N/A 66.25 in N/A 1000 lb N/A 71.25 in N/A 56 N/A 1.25 in
72175SOIS N/A 72 N/A 80.00 in N/A 5.00 in N/A 76.50 in N/A 8.00 in N/A 74.50 in N/A 72.25 in N/A 1400 lb N/A 77.75 in N/A 64 N/A 1.25 in
84175SOIS N/A 84 N/A 94.00 in N/A 5.00 in N/A 90.13 in N/A 8.50 in N/A 88.00 in N/A 84.25 in N/A 2250 lb N/A 91.50 in N/A 72 N/A 1.38 in
96175SOIS N/A 96 N/A 106.00 in N/A 5.00 in N/A 102.13 in N/A 9.00 in N/A 100.00 in N/A 96.25 in N/A 2600 lb N/A 103.50 in N/A 88 N/A 1.38 in
Unit of Measure
1