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  • All dimensions are in inches.
  • These flanges will be furnished with a 1/4" raised face unless otherwise specified.
  • Flat face option available.

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ANSI B16.5  Socket Weld Flange
Unit of Measure
1 

Item #

Nominal Pipe Size

Outside Diameter (O)

Thickness (T)

Raised Face Diameter (R)

Length Thru Hub (Y)

Hub Diameter (X)

Bore (B1)

Bore (B2)

Depth of Socket (D)

Approximate Weight

Bolt Circle (C)

Number of Holes

Diameter of Holes

0H900SWAN N/A 1/2 N/A 4.75 in N/A 0.88 in N/A 1.38 in N/A 1.25 in N/A 1.50 in N/A Specified by purchaser N/A 0.88 in N/A 0.38 in N/A 4 lb N/A 3.25 in N/A 4 N/A 0.88 in
3Q900SWAN N/A 3/4 N/A 5.13 in N/A 1.00 in N/A 1.69 in N/A 1.38 in N/A 1.75 in N/A Specified by purchaser N/A 1.09 in N/A 0.44 in N/A 5 lb N/A 3.50 in N/A 4 N/A 0.88 in
01900SWAN N/A 1 N/A 5.88 in N/A 1.13 in N/A 2.00 in N/A 1.63 in N/A 2.06 in N/A Specified by purchaser N/A 1.36 in N/A 0.50 in N/A 8 lb N/A 4.00 in N/A 4 N/A 1.00 in
1Q900SWAN N/A 1 1/4 N/A 6.25 in N/A 1.13 in N/A 2.50 in N/A 1.63 in N/A 2.50 in N/A Specified by purchaser N/A 1.70 in N/A 0.56 in N/A 9 lb N/A 4.38 in N/A 4 N/A 1.00 in
1H900SWAN N/A 1 1/2 N/A 7.00 in N/A 1.25 in N/A 2.88 in N/A 1.75 in N/A 2.75 in N/A Specified by purchaser N/A 1.95 in N/A 0.63 in N/A 12 lb N/A 4.88 in N/A 4 N/A 1.13 in
02900SWAN N/A 2 N/A 8.50 in N/A 1.50 in N/A 3.63 in N/A 2.25 in N/A 4.13 in N/A Specified by purchaser N/A 2.44 in N/A 0.69 in N/A 25 lb N/A 6.50 in N/A 8 N/A 1.00 in
2H900SWAN N/A 2 1/2 N/A 9.63 in N/A 1.63 in N/A 4.13 in N/A 2.50 in N/A 4.88 in N/A Specified by purchaser N/A 2.94 in N/A 0.75 in N/A 36 lb N/A 7.50 in N/A 8 N/A 1.13 in
Unit of Measure
1