ANSI B16.5 Class 1500 Socket-Weld Flanges

    • All dimensions are in inches
    • These flanges will be furnished with a 1/16″ raised face unless otherwise specified.
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(Size Chart)

Nominal Pipe Size Outside Diameter (O) Bolt Circle (W) Raised Face Diameter (R) Number of Holes Diameter of Holes Hub Diameter (X) Bore (B1) Bore (B2) Depth of Socket (D) Thickness (T) Length Thru Hub (Y) Approximate Weight (lbs)
1/2 4.75 3.25 1.38 4 0.88 1.50 Specified by Purchaser 0.88 0.38 0.88 1.25 4
3/4 5.12 3.50 1.69 4 0.88 1.75 Specified by Purchaser 1.09 0.44 1.00 1.38 5
1 5.88 4.00 2.00 4 1.00 2.06 Specified by Purchaser 1.36 0.50 1.12 1.62 8
1 1/4 6.25 4.38 2.50 4 1.00 2.50 Specified by Purchaser 1.70 0.56 1.12 1.62 9
1 1/2 7.00 4.88 2.88 4 1.13 2.75 Specified by Purchaser 1.95 0.62 1.25 1.75 12
2 8.50 6.50 3.62 8 1.00 4.12 Specified by Purchaser 2.44 0.69 1.50 2.25 25
2 1/2 9.62 7.50 4.12 8 1.13 4.88 Specified by Purchaser 2.94 0.75 1.62 2.50 36
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