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  • All dimensions are in inches.
  • The pressure rating at atmospheric temperature is 175 psi for 6” - 12” and 150 psi for 14” - 96”.

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AWWA E Hub C207-01 Steel Hub Flange
Unit of Measure
Items AWWA E Hub C207-01 Steel Hub Flange
04DHUBAWW
Table 3 AWWA C207-07 Class D Hub Flanges
AWWA E Hub C207-01 Steel Hub Flange
05DHUBAWW
Table 3 AWWA C207-07 Class D Hub Flanges
AWWA E Hub C207-01 Steel Hub Flange
06DHUBAWW
Table 3 AWWA C207-07 Class D Hub Flanges
AWWA E Hub C207-01 Steel Hub Flange
08DHUBAWW
Table 3 AWWA C207-07 Class D Hub Flanges
AWWA E Hub C207-01 Steel Hub Flange
10DHUBAWW
Table 3 AWWA C207-07 Class D Hub Flanges
Flange Type N/A Slip-On
Nominal Pipe Size N/A 4 N/A 5 N/A 6 N/A 8 N/A 10
Outside Diameter (A) N/A 9.00 in N/A 10.00 in N/A 11.00 in N/A 13.50 in N/A 16.00 in
Thickness (T) N/A 0.50 in N/A 0.56 in N/A 0.56 in N/A 0.56 in N/A 0.69 in
Overall Thickness (L) N/A 0.88 in N/A 1.25 in N/A 1.25 in N/A 1.25 in N/A 1.25 in
Hub Diameter (E) N/A 5.31 in N/A 6.31 in N/A 7.56 in N/A 9.69 in N/A 12.00 in
Inside Diameter (B) N/A 4.57 in N/A 5.66 in N/A 6.72 in N/A 8.72 in N/A 10.88 in
Approximate Weight N/A 7 lb N/A 8 lb N/A 13 lb N/A 18 lb N/A 26 lb
Number of Bolt Holes N/A 8 N/A 8 N/A 8 N/A 8 N/A 12
Diameter of Bolt Holes N/A 0.75 in N/A 0.88 in N/A 0.88 in N/A 0.88 in N/A 1.00 in
Diameter of Bolt Circle (C) N/A 7.50 in N/A 8.50 in N/A 9.50 in N/A 11.75 in N/A 14.25 in