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  • All dimensions are in inches.
  • Pressure rating at atmospheric temperature is 275 psi.

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AWWA E Hub C207-01 Steel Hub Flange
Unit of Measure
1 2 

Item #

Nominal Pipe Size

Outside Diameter (A)

Thickness (T)

Overall Thickness (L)

Hub Diameter (E)

Inside Diameter (B)

Approximate Weight

Number of Bolt Holes

Diameter of Bolt Holes

Diameter of Bolt Circle (C)

52EHUBAWW N/A 52 N/A 64.00 in N/A 2.88 in N/A 4.25 in N/A 56.50 in N/A 52.19 in N/A 920 lb N/A 44 N/A 1.88 in N/A 60.50 in
54EHUBAWW N/A 54 N/A 66.25 in N/A 3.00 in N/A 4.38 in N/A 58.75 in N/A 54.19 in N/A 1025 lb N/A 44 N/A 1.88 in N/A 62.75 in
60EHUBAWW N/A 60 N/A 73.00 in N/A 3.13 in N/A 4.50 in N/A 65.25 in N/A 60.19 in N/A 1250 lb N/A 52 N/A 1.88 in N/A 69.25 in
66EHUBAWW N/A 66 N/A 80.00 in N/A 3.38 in N/A 4.88 in N/A 71.50 in N/A 66.19 in N/A 1625 lb N/A 52 N/A 1.88 in N/A 76.00 in
72EHUBAWW N/A 72 N/A 86.50 in N/A 3.50 in N/A 5.00 in N/A 78.50 in N/A 72.19 in N/A 1925 lb N/A 60 N/A 1.88 in N/A 82.50 in
78EHUBAWW N/A 78 N/A 93.00 in N/A 3.88 in N/A 5.38 in N/A 84.50 in N/A 78.19 in N/A 2525 lb N/A 64 N/A 2.13 in N/A 89.00 in
84EHUBAWW N/A 84 N/A 99.75 in N/A 3.88 in N/A 5.38 in N/A 90.50 in N/A 84.19 in N/A 2600 lb N/A 64 N/A 2.13 in N/A 95.50 in
90EHUBAWW N/A 90 N/A 106.50 in N/A 4.25 in N/A 5.75 in N/A 96.75 in N/A 90.19 in N/A 3150 lb N/A 68 N/A 2.44 in N/A 102.00 in
96EHUBAWW N/A 96 N/A 113.25 in N/A 4.25 in N/A 5.75 in N/A 102.75 in N/A 96.19 in N/A 3275 lb N/A 68 N/A 2.44 in N/A 108.50 in
Unit of Measure
1 2