Coastal Flange - ASME B16.47 Class 400 Series B Welding Neck Flanges

Unit of Measure

Items	26400WNSB ASME B16.47 Class 400 Series B Welding Neck Flanges	28400WNSB ASME B16.47 Class 400 Series B Welding Neck Flanges	30400WNSB ASME B16.47 Class 400 Series B Welding Neck Flanges	32400WNSB ASME B16.47 Class 400 Series B Welding Neck Flanges	34400WNSB ASME B16.47 Class 400 Series B Welding Neck Flanges
Flange Type	N/A Welding Neck
Nominal Pipe Size	N/A 26	N/A 28	N/A 30	N/A 32	N/A 34
Outside Diameter (O)	N/A 33.50 in	N/A 36.00 in	N/A 38.25 in	N/A 40.75 in	N/A 42.75 in
Minimum Thickness (T)	N/A 3.50 in	N/A 3.75 in	N/A 4.00 in	N/A 4.25 in	N/A 4.38 in
Raised Face Diameter (R)	N/A 28.00 in	N/A 30.00 in	N/A 32.25 in	N/A 34.38 in	N/A 36.50 in
Length Thru Hub (Y)	N/A 5.88 in	N/A 6.25 in	N/A 6.69 in	N/A 7.06 in	N/A 7.38 in
Hub Diameter (X)	N/A 27.12 in	N/A 29.12 in	N/A 31.25 in	N/A 33.25 in	N/A 35.38 in
Minimum Fillet Radius (r)	N/A 0.44 in	N/A 0.50 in	N/A 0.50 in	N/A 0.50 in	N/A 0.56 in
Top of Hub (A)	N/A 26.00 in	N/A 28.00 in	N/A 30.00 in	N/A 32.00 in	N/A 34.00 in
Bore (B)	N/A Specified by purchaser
Approximate Weight	N/A 360 lb	N/A 450 lb	N/A 530 lb	N/A 635 lb	N/A 690 lb
Bolt Circle (C)	N/A 30.75 in	N/A 33.00 in	N/A 35.25 in	N/A 37.50 in	N/A 39.50 in
Number of Holes	N/A 28	N/A 24	N/A 28	N/A 28	N/A 32
Diameter of Holes	N/A 1.50 in	N/A 1.62 in	N/A 1.62 in	N/A 1.75 in	N/A 1.75 in