Coastal Flange - ASME B16.47 Class 900 Series B Welding Neck Flanges - Compare Items

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All dimensions are in inches.
1/4" raised face will be added to the thickness and overall length unless otherwise specified.
38" thru 48" sizes are the same as Series "A".
Flat face option available.

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Items	26900WNSB ASME B16.47 Class 900 Series B Welding Neck Flanges	28900WNSB ASME B16.47 Class 900 Series B Welding Neck Flanges	30900WNSB ASME B16.47 Class 900 Series B Welding Neck Flanges	32900WNSB ASME B16.47 Class 900 Series B Welding Neck Flanges	34900WNSB ASME B16.47 Class 900 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 40.25 in	N/A 43.50 in	N/A 46.50 in	N/A 48.75 in	N/A 51.75 in
Minimum Thickness (T)	N/A 5.31 in	N/A 5.81 in	N/A 6.12 in	N/A 6.31 in	N/A 6.75 in
Raised Face Diameter (R)	N/A 30.00 in	N/A 32.25 in	N/A 34.50 in	N/A 36.50 in	N/A 39.00 in
Length Thru Hub (Y)	N/A 10.19 in	N/A 10.88 in	N/A 11.38 in	N/A 11.94 in	N/A 12.56 in
Hub Diameter (X)	N/A 29.25 in	N/A 31.38 in	N/A 33.50 in	N/A 35.75 in	N/A 37.88 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 1050 lb	N/A 1520 lb	N/A 1820 lb	N/A 2065 lb	N/A 2450 lb
Bolt Circle (C)	N/A 35.50 in	N/A 38.25 in	N/A 40.75 in	N/A 43.00 in	N/A 45.50 in
Number of Holes	N/A 20
Diameter of Holes	N/A 2.62 in	N/A 2.88 in	N/A 3.12 in	N/A 3.12 in	N/A 3.38 in