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  • ASME B16.47 Welding Neck Flange
  • All ASME B16.47 CLASS 150# SERIES "A" weld neck flange dimensions are in inches.
  • These ASME B16.47 CLASS 150# SERIES "A" weld neck flanges will be supplied with a 1/16" raised face unless otherwise specified.
  • Flat face option available for ASME B16.47 CLASS 150# SERIES "A" weld neck flanges.

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Item #

Nominal Pipe Size

Outside Diameter (O)

Minimum 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 34.25 in N/A 2.69 in N/A 29.50 in N/A 4.75 in N/A 26.62 in N/A 0.38 in N/A 26.00 in N/A Specified by purchaser N/A 300 lb N/A 31.75 in N/A 24 N/A 1.38 in
N/A 28 N/A 36.50 in N/A 2.81 in N/A 31.50 in N/A 4.94 in N/A 28.62 in N/A 0.44 in N/A 28.00 in N/A Specified by purchaser N/A 345 lb N/A 34.00 in N/A 28 N/A 1.38 in
N/A 30 N/A 38.75 in N/A 2.94 in N/A 33.75 in N/A 5.38 in N/A 30.75 in N/A 0.44 in N/A 30.00 in N/A Specified by purchaser N/A 400 lb N/A 36.00 in N/A 28 N/A 1.38 in
N/A 32 N/A 41.75 in N/A 3.19 in N/A 36.00 in N/A 5.69 in N/A 32.75 in N/A 0.44 in N/A 32.00 in N/A Specified by purchaser N/A 505 lb N/A 38.50 in N/A 28 N/A 1.62 in
N/A 34 N/A 43.75 in N/A 3.25 in N/A 38.00 in N/A 5.88 in N/A 34.75 in N/A 0.50 in N/A 34.00 in N/A Specified by purchaser N/A 540 lb N/A 40.50 in N/A 32 N/A 1.62 in
N/A 36 N/A 46.00 in N/A 3.56 in N/A 40.25 in N/A 6.19 in N/A 36.75 in N/A 0.50 in N/A 36.00 in N/A Specified by purchaser N/A 640 lb N/A 42.75 in N/A 32 N/A 1.62 in
N/A 38 N/A 48.75 in N/A 3.44 in N/A 42.25 in N/A 6.19 in N/A 39.00 in N/A 0.50 in N/A 38.00 in N/A Specified by purchaser N/A 720 lb N/A 45.25 in N/A 32 N/A 1.62 in
N/A 40 N/A 50.75 in N/A 3.56 in N/A 44.25 in N/A 6.44 in N/A 41.00 in N/A 0.50 in N/A 40.00 in N/A Specified by purchaser N/A 775 lb N/A 47.25 in N/A 36 N/A 1.62 in
N/A 42 N/A 53.00 in N/A 3.81 in N/A 47.00 in N/A 6.75 in N/A 43.00 in N/A 0.50 in N/A 42.00 in N/A Specified by purchaser N/A 890 lb N/A 49.50 in N/A 36 N/A 1.62 in
N/A 44 N/A 55.25 in N/A 4.00 in N/A 49.00 in N/A 7.00 in N/A 45.00 in N/A 0.50 in N/A 44.00 in N/A Specified by purchaser N/A 990 lb N/A 51.75 in N/A 40 N/A 1.62 in
N/A 46 N/A 57.25 in N/A 4.06 in N/A 51.00 in N/A 7.31 in N/A 47.12 in N/A 0.50 in N/A 46.00 in N/A Specified by purchaser N/A 1060 lb N/A 53.75 in N/A 40 N/A 1.62 in
N/A 48 N/A 59.50 in N/A 4.25 in N/A 53.50 in N/A 7.56 in N/A 49.12 in N/A 0.50 in N/A 48.00 in N/A Specified by purchaser N/A 1185 lb N/A 56.00 in N/A 44 N/A 1.62 in
N/A 50 N/A 61.75 in N/A 4.38 in N/A 55.50 in N/A 8.00 in N/A 51.25 in N/A 0.50 in N/A 50.00 in N/A Specified by purchaser N/A 1270 lb N/A 58.25 in N/A 44 N/A 1.88 in
N/A 52 N/A 64.00 in N/A 4.56 in N/A 57.50 in N/A 8.25 in N/A 53.25 in N/A 0.50 in N/A 52.00 in N/A Specified by purchaser N/A 1410 lb N/A 60.50 in N/A 44 N/A 1.88 in
N/A 54 N/A 66.25 in N/A 4.75 in N/A 59.50 in N/A 8.50 in N/A 55.25 in N/A 0.50 in N/A 54.00 in N/A Specified by purchaser N/A 1585 lb N/A 62.75 in N/A 44 N/A 1.88 in
N/A 56 N/A 68.75 in N/A 4.88 in N/A 62.00 in N/A 9.00 in N/A 57.38 in N/A 0.50 in N/A 56.00 in N/A Specified by purchaser N/A 1760 lb N/A 65.00 in N/A 48 N/A 1.88 in
N/A 58 N/A 71.00 in N/A 5.06 in N/A 64.00 in N/A 9.25 in N/A 59.38 in N/A 0.50 in N/A 58.00 in N/A Specified by purchaser N/A 1915 lb N/A 67.25 in N/A 48 N/A 1.88 in
N/A 60 N/A 73.00 in N/A 5.19 in N/A 66.00 in N/A 9.44 in N/A 61.38 in N/A 0.50 in N/A 60.00 in N/A Specified by purchaser N/A 2045 lb N/A 69.25 in N/A 52 N/A 1.88 in
1 - 18 of 18 | Results Per Page | View | Unit of Measure
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