• ANSI B16.5 Class 400 Weld Neck Flange
  • All dimensions are in inches.
  • These flanges will be furnished with a 1/4" raised face unless otherwise specified.
  • Flat face option available.
Print PDF
1 - 21 of 21 | Results Per Page | View | Unit of Measure
1 
Request Information Compare Items Search by Specification

Item #

Nominal Pipe Size

Outside Diameter (O)

Thickness (T)

Raised Face Diameter (R)

Length Thru Hub (Y)

Hub Diameter (X)

Bore (B)

Approximate Weight (lbs)

Bolt Circle (C)

Number of Holes

Diameter of Holes

N/A 1/2 N/A 3.75 N/A 0.56 N/A 1.38 N/A 2.06 N/A 1.50 N/A Specified by purchaser N/A 2 N/A 2.63 N/A 4 N/A 0.63
N/A 3/4 N/A 4.63 N/A 0.63 N/A 1.69 N/A 2.25 N/A 1.88 N/A Specified by purchaser N/A 4 N/A 3.25 N/A 4 N/A 0.75
N/A 1 N/A 4.88 N/A 0.69 N/A 2.00 N/A 2.44 N/A 2.13 N/A Specified by purchaser N/A 4 N/A 3.50 N/A 4 N/A 0.75
N/A 1 1/4 N/A 5.25 N/A 0.81 N/A 2.50 N/A 2.63 N/A 2.50 N/A Specified by purchaser N/A 6 N/A 3.88 N/A 4 N/A 0.75
N/A 1 1/2 N/A 6.13 N/A 0.88 N/A 2.88 N/A 2.75 N/A 2.75 N/A Specified by purchaser N/A 8 N/A 4.50 N/A 4 N/A 0.88
N/A 2 N/A 6.50 N/A 1.00 N/A 3.63 N/A 2.88 N/A 3.31 N/A Specified by purchaser N/A 12 N/A 5.00 N/A 8 N/A 0.75
N/A 2 1/2 N/A 7.50 N/A 1.13 N/A 4.13 N/A 3.13 N/A 3.94 N/A Specified by purchaser N/A 18 N/A 5.88 N/A 8 N/A 0.88
N/A 3 N/A 8.25 N/A 1.25 N/A 5.00 N/A 3.25 N/A 4.63 N/A Specified by purchaser N/A 23 N/A 6.63 N/A 8 N/A 0.88
N/A 3 1/2 N/A 9.00 N/A 1.38 N/A 5.50 N/A 3.38 N/A 5.25 N/A Specified by purchaser N/A 26 N/A 7.25 N/A 8 N/A 1.00
N/A 4 N/A 10.00 N/A 1.38 N/A 6.19 N/A 3.50 N/A 5.75 N/A Specified by purchaser N/A 35 N/A 7.88 N/A 8 N/A 1.00
N/A 5 N/A 11.00 N/A 1.50 N/A 7.31 N/A 4.00 N/A 7.00 N/A Specified by purchaser N/A 43 N/A 9.25 N/A 8 N/A 1.00
N/A 6 N/A 12.50 N/A 1.63 N/A 8.50 N/A 4.06 N/A 8.13 N/A Specified by purchaser N/A 57 N/A 10.63 N/A 12 N/A 1.00
N/A 8 N/A 15.00 N/A 1.88 N/A 10.63 N/A 4.63 N/A 10.25 N/A Specified by purchaser N/A 89 N/A 13.00 N/A 12 N/A 1.13
N/A 10 N/A 17.50 N/A 2.13 N/A 12.75 N/A 4.88 N/A 12.63 N/A Specified by purchaser N/A 125 N/A 15.25 N/A 16 N/A 1.25
N/A 12 N/A 20.50 N/A 2.25 N/A 15.00 N/A 5.38 N/A 14.75 N/A Specified by purchaser N/A 175 N/A 17.75 N/A 16 N/A 1.38
N/A 14 N/A 23.00 N/A 2.38 N/A 16.25 N/A 5.88 N/A 16.75 N/A Specified by purchaser N/A 230 N/A 20.25 N/A 20 N/A 1.38
N/A 16 N/A 25.50 N/A 2.50 N/A 18.50 N/A 6.00 N/A 19.00 N/A Specified by purchaser N/A 295 N/A 22.50 N/A 20 N/A 1.50
N/A 18 N/A 28.00 N/A 2.63 N/A 21.00 N/A 6.50 N/A 21.00 N/A Specified by purchaser N/A 350 N/A 24.75 N/A 24 N/A 1.50
N/A 20 N/A 30.50 N/A 2.75 N/A 23.00 N/A 6.63 N/A 23.13 N/A Specified by purchaser N/A 425 N/A 27.00 N/A 24 N/A 1.63
N/A 22 N/A 33.00 N/A 2.88 N/A 25.25 N/A 6.75 N/A 25.25 N/A Specified by purchaser N/A 505 N/A 29.25 N/A 24 N/A 1.75
N/A 24 N/A 36.00 N/A 3.00 N/A 27.25 N/A 6.88 N/A 27.63 N/A Specified by purchaser N/A 620 N/A 32.00 N/A 24 N/A 1.88
1 - 21 of 21 | Results Per Page | View | Unit of Measure
1