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  • ASME B16.47 Welding Neck Flange
  • All dimensions are in inches.
  • These flanges will be supplied with a 1/16" raised face unless otherwise specified.
  • Flat face option available.

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Item #

Nominal Pipe Size

Outside Diameter (O)

Maximum Thickness (T)

Raised Face Diameter (R)

Length Thru Hub (Y)

Hub Diameter (X)

Minimum Fillet Radius (r)

Top of Hub (A)

Bore (B)

Approximate Weight

Bolt Circle (C)

Number of Holes

Diameter of Holes

N/A 26 N/A 30.94 in N/A 1.62 in N/A 28.00 in N/A 3.50 in N/A 26.94 in N/A 0.38 in N/A 26.06 in N/A Specified by purchaser N/A 120 lb N/A 29.31 in N/A 36 N/A 0.88 in
N/A 28 N/A 32.94 in N/A 1.75 in N/A 30.00 in N/A 3.75 in N/A 28.94 in N/A 0.38 in N/A 28.06 in N/A Specified by purchaser N/A 140 lb N/A 31.31 in N/A 40 N/A 0.88 in
N/A 30 N/A 34.94 in N/A 1.75 in N/A 32.00 in N/A 3.94 in N/A 31.00 in N/A 0.38 in N/A 30.06 in N/A Specified by purchaser N/A 150 lb N/A 33.31 in N/A 44 N/A 0.88 in
N/A 32 N/A 37.06 in N/A 1.81 in N/A 34.00 in N/A 4.25 in N/A 33.06 in N/A 0.38 in N/A 32.06 in N/A Specified by purchaser N/A 170 lb N/A 35.44 in N/A 48 N/A 0.88 in
N/A 34 N/A 39.56 in N/A 1.94 in N/A 36.25 in N/A 4.34 in N/A 35.12 in N/A 0.38 in N/A 34.06 in N/A Specified by purchaser N/A 210 lb N/A 37.69 in N/A 40 N/A 1.00 in
N/A 36 N/A 41.62 in N/A 2.06 in N/A 38.25 in N/A 4.62 in N/A 37.19 in N/A 0.38 in N/A 36.06 in N/A Specified by purchaser N/A 240 lb N/A 39.75 in N/A 44 N/A 1.00 in
N/A 38 N/A 44.25 in N/A 2.12 in N/A 40.25 in N/A 4.88 in N/A 39.25 in N/A 0.38 in N/A 38.12 in N/A Specified by purchaser N/A 290 lb N/A 42.12 in N/A 40 N/A 1.12 in
N/A 40 N/A 46.25 in N/A 2.19 in N/A 42.50 in N/A 5.06 in N/A 41.31 in N/A 0.38 in N/A 40.12 in N/A Specified by purchaser N/A 310 lb N/A 44.12 in N/A 44 N/A 1.12 in
N/A 42 N/A 48.25 in N/A 2.31 in N/A 44.50 in N/A 5.25 in N/A 43.38 in N/A 0.44 in N/A 42.12 in N/A Specified by purchaser N/A 345 lb N/A 46.12 in N/A 48 N/A 1.12 in
N/A 44 N/A 50.25 in N/A 2.38 in N/A 46.50 in N/A 5.38 in N/A 45.38 in N/A 0.44 in N/A 44.12 in N/A Specified by purchaser N/A 370 lb N/A 48.12 in N/A 52 N/A 1.12 in
N/A 46 N/A 52.81 in N/A 2.44 in N/A 48.62 in N/A 5.69 in N/A 47.44 in N/A 0.44 in N/A 46.12 in N/A Specified by purchaser N/A 435 lb N/A 50.56 in N/A 40 N/A 1.25 in
N/A 48 N/A 54.81 in N/A 2.56 in N/A 50.75 in N/A 5.88 in N/A 49.50 in N/A 0.44 in N/A 48.12 in N/A Specified by purchaser N/A 480 lb N/A 52.56 in N/A 44 N/A 1.25 in
N/A 50 N/A 56.81 in N/A 2.69 in N/A 52.75 in N/A 6.06 in N/A 51.50 in N/A 0.44 in N/A 50.12 in N/A Specified by purchaser N/A 520 lb N/A 54.56 in N/A 48 N/A 1.25 in
N/A 52 N/A 58.81 in N/A 2.75 in N/A 54.75 in N/A 6.19 in N/A 53.56 in N/A 0.44 in N/A 52.12 in N/A Specified by purchaser N/A 550 lb N/A 56.56 in N/A 52 N/A 1.25 in
N/A 54 N/A 61.00 in N/A 2.81 in N/A 56.75 in N/A 6.38 in N/A 55.62 in N/A 0.44 in N/A 54.12 in N/A Specified by purchaser N/A 620 lb N/A 58.75 in N/A 56 N/A 1.25 in
N/A 56 N/A 63.00 in N/A 2.88 in N/A 58.75 in N/A 6.56 in N/A 57.69 in N/A 0.56 in N/A 56.12 in N/A Specified by purchaser N/A 650 lb N/A 60.75 in N/A 60 N/A 1.25 in
N/A 58 N/A 65.94 in N/A 2.94 in N/A 60.75 in N/A 6.88 in N/A 59.69 in N/A 0.56 in N/A 58.12 in N/A Specified by purchaser N/A 780 lb N/A 63.44 in N/A 48 N/A 1.38 in
N/A 60 N/A 67.94 in N/A 3.00 in N/A 63.00 in N/A 7.06 in N/A 61.81 in N/A 0.56 in N/A 60.12 in N/A Specified by purchaser N/A 850 lb N/A 65.44 in N/A 52 N/A 1.38 in
1 - 18 of 18 | Results Per Page | View | Unit of Measure
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