• Industry Standard Blind Flange
  • 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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Item #

Nominal Pipe Size

Outside Diameter (O)

Thickness (T)

Raised Face Diameter (R)

Approximate Weight (lbs)

Bolt Circle (C)

Number of Holes

Diameter of Bolt Holes

26175BDIS N/A 26 N/A 31.50 N/A 1.78 N/A 29.00 N/A 405 N/A 29.88 N/A 28 N/A 0.88
28175BDIS N/A 28 N/A 33.50 N/A 2.00 N/A 31.00 N/A 490 N/A 31.88 N/A 28 N/A 0.88
30175BDIS N/A 30 N/A 35.75 N/A 2.13 N/A 33.25 N/A 590 N/A 34.13 N/A 36 N/A 0.88
32175BDIS N/A 32 N/A 37.75 N/A 2.25 N/A 35.25 N/A 700 N/A 36.13 N/A 36 N/A 0.88
34175BDIS N/A 34 N/A 40.25 N/A 2.38 N/A 37.38 N/A 840 N/A 38.38 N/A 36 N/A 1.00
36175BDIS N/A 36 N/A 42.25 N/A 2.50 N/A 39.38 N/A 970 N/A 40.38 N/A 36 N/A 1.00
38175BDIS N/A 38 N/A 44.25 N/A 2.63 N/A 41.38 N/A 1125 N/A 42.38 N/A 36 N/A 1.00
40175BDIS N/A 40 N/A 46.25 N/A 2.75 N/A 43.38 N/A 1300 N/A 44.38 N/A 40 N/A 1.00
42175BDIS N/A 42 N/A 49.00 N/A 2.88 N/A 45.75 N/A 1500 N/A 46.88 N/A 40 N/A 1.13
44175BDIS N/A 44 N/A 51.00 N/A 3.00 N/A 47.75 N/A 1700 N/A 48.88 N/A 40 N/A 1.13
46175BDIS N/A 46 N/A 53.00 N/A 3.13 N/A 49.75 N/A 1925 N/A 50.88 N/A 40 N/A 1.13
48175BDIS N/A 48 N/A 55.00 N/A 3.38 N/A 51.75 N/A 2225 N/A 52.88 N/A 44 N/A 1.13
50175BDIS N/A 50 N/A 57.00 N/A 3.38 N/A 53.75 N/A 2400 N/A 54.88 N/A 44 N/A 1.13
52175BDIS N/A 52 N/A 59.50 N/A 3.63 N/A 56.00 N/A 2800 N/A 57.25 N/A 44 N/A 1.25
54175BDIS N/A 54 N/A 61.50 N/A 3.63 N/A 58.00 N/A 3000 N/A 59.25 N/A 44 N/A 1.25
60175BDIS N/A 60 N/A 67.50 N/A 4.00 N/A 64.00 N/A 4000 N/A 65.25 N/A 48 N/A 1.25
66175BDIS N/A 66 N/A 73.50 N/A 4.38 N/A 70.00 N/A 5175 N/A 71.25 N/A 56 N/A 1.25
72175BDIS N/A 72 N/A 80.00 N/A 4.75 N/A 76.50 N/A 6650 N/A 77.75 N/A 64 N/A 1.25
84175BDIS N/A 84 N/A 94.00 N/A 5.50 N/A 90.125 N/A 10815 N/A 91.50 N/A 72 N/A 1.375
96175BDIS N/A 96 N/A 106.00 N/A 6.125 N/A 102.125 N/A 15325 N/A 103.50 N/A 88 N/A 1.375
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