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ANSI B16.5 Class 2500 Welding Neck Flanges
ANSI B16.5 Class 2500 Flanges
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- All dimensions are in inches.
- These flanges will be furnished with a 1/4" raised face unless otherwise specified.
- Flat face option available.
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Item # |
Nominal Pipe Size |
Outside Diameter (O) |
Thickness (T) |
Raised Face Diameter (R) |
Length Thru Hub (Y) |
Point of Weld (A) |
Hub Diameter (X) |
Bore (B) |
Approximate Weight |
Bolt Circle (C) |
Number of Holes |
Diameter of Holes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0H2500WNAN | Nominal Pipe Size N/A 1/2 | Outside Diameter (O) N/A 5.25 in | Thickness (T) N/A 1.19 in | Raised Face Diameter (R) N/A 1.38 in | Length Thru Hub (Y) N/A 2.88 in | Point of Weld (A) N/A 0.84 in | Hub Diameter (X) N/A 1.69 in | Bore (B) N/A Specified by purchaser | Approximate Weight N/A 7 lb | Bolt Circle (C) N/A 3.50 in | Number of Holes N/A 4 | Diameter of Holes N/A 0.88 in |
| 3Q2500WNAN | Nominal Pipe Size N/A 3/4 | Outside Diameter (O) N/A 5.50 in | Thickness (T) N/A 1.25 in | Raised Face Diameter (R) N/A 1.69 in | Length Thru Hub (Y) N/A 3.13 in | Point of Weld (A) N/A 1.05 in | Hub Diameter (X) N/A 2.00 in | Bore (B) N/A Specified by purchaser | Approximate Weight N/A 8 lb | Bolt Circle (C) N/A 3.75 in | Number of Holes N/A 4 | Diameter of Holes N/A 0.88 in |
| 012500WNAN | Nominal Pipe Size N/A 1 | Outside Diameter (O) N/A 6.25 in | Thickness (T) N/A 1.38 in | Raised Face Diameter (R) N/A 2.00 in | Length Thru Hub (Y) N/A 3.50 in | Point of Weld (A) N/A 1.32 in | Hub Diameter (X) N/A 2.25 in | Bore (B) N/A Specified by purchaser | Approximate Weight N/A 12 lb | Bolt Circle (C) N/A 4.25 in | Number of Holes N/A 4 | Diameter of Holes N/A 1.00 in |
| 1Q2500WNAN | Nominal Pipe Size N/A 1 1/4 | Outside Diameter (O) N/A 7.25 in | Thickness (T) N/A 1.50 in | Raised Face Diameter (R) N/A 2.50 in | Length Thru Hub (Y) N/A 3.75 in | Point of Weld (A) N/A 1.66 in | Hub Diameter (X) N/A 2.88 in | Bore (B) N/A Specified by purchaser | Approximate Weight N/A 17 lb | Bolt Circle (C) N/A 5.13 in | Number of Holes N/A 4 | Diameter of Holes N/A 1.13 in |
| 1H2500WNAN | Nominal Pipe Size N/A 1 1/2 | Outside Diameter (O) N/A 8.00 in | Thickness (T) N/A 1.75 in | Raised Face Diameter (R) N/A 2.88 in | Length Thru Hub (Y) N/A 4.38 in | Point of Weld (A) N/A 1.90 in | Hub Diameter (X) N/A 3.13 in | Bore (B) N/A Specified by purchaser | Approximate Weight N/A 25 lb | Bolt Circle (C) N/A 5.75 in | Number of Holes N/A 4 | Diameter of Holes N/A 1.25 in |
| 022500WNAN | Nominal Pipe Size N/A 2 | Outside Diameter (O) N/A 9.25 in | Thickness (T) N/A 2.00 in | Raised Face Diameter (R) N/A 3.63 in | Length Thru Hub (Y) N/A 5.00 in | Point of Weld (A) N/A 2.38 in | Hub Diameter (X) N/A 3.75 in | Bore (B) N/A Specified by purchaser | Approximate Weight N/A 42 lb | Bolt Circle (C) N/A 6.75 in | Number of Holes N/A 8 | Diameter of Holes N/A 1.13 in |
| 2H2500WNAN | Nominal Pipe Size N/A 2 1/2 | Outside Diameter (O) N/A 10.50 in | Thickness (T) N/A 2.25 in | Raised Face Diameter (R) N/A 4.13 in | Length Thru Hub (Y) N/A 5.63 in | Point of Weld (A) N/A 2.88 in | Hub Diameter (X) N/A 4.50 in | Bore (B) N/A Specified by purchaser | Approximate Weight N/A 52 lb | Bolt Circle (C) N/A 7.75 in | Number of Holes N/A 8 | Diameter of Holes N/A 1.25 in |
| 032500WNAN | Nominal Pipe Size N/A 3 | Outside Diameter (O) N/A 12.00 in | Thickness (T) N/A 2.63 in | Raised Face Diameter (R) N/A 5.00 in | Length Thru Hub (Y) N/A 6.63 in | Point of Weld (A) N/A 3.50 in | Hub Diameter (X) N/A 5.25 in | Bore (B) N/A Specified by purchaser | Approximate Weight N/A 94 lb | Bolt Circle (C) N/A 9.00 in | Number of Holes N/A 8 | Diameter of Holes N/A 1.38 in |
| 042500WNAN | Nominal Pipe Size N/A 4 | Outside Diameter (O) N/A 14.00 in | Thickness (T) N/A 3.00 in | Raised Face Diameter (R) N/A 6.19 in | Length Thru Hub (Y) N/A 7.50 in | Point of Weld (A) N/A 4.50 in | Hub Diameter (X) N/A 6.50 in | Bore (B) N/A Specified by purchaser | Approximate Weight N/A 145 lb | Bolt Circle (C) N/A 10.75 in | Number of Holes N/A 8 | Diameter of Holes N/A 1.63 in |
| 052500WNAN | Nominal Pipe Size N/A 5 | Outside Diameter (O) N/A 16.50 in | Thickness (T) N/A 3.63 in | Raised Face Diameter (R) N/A 7.31 in | Length Thru Hub (Y) N/A 9.00 in | Point of Weld (A) N/A 5.56 in | Hub Diameter (X) N/A 8.00 in | Bore (B) N/A Specified by purchaser | Approximate Weight N/A 245 lb | Bolt Circle (C) N/A 12.75 in | Number of Holes N/A 8 | Diameter of Holes N/A 1.88 in |
| 062500WNAN | Nominal Pipe Size N/A 6 | Outside Diameter (O) N/A 19.00 in | Thickness (T) N/A 4.25 in | Raised Face Diameter (R) N/A 8.50 in | Length Thru Hub (Y) N/A 10.75 in | Point of Weld (A) N/A 6.63 in | Hub Diameter (X) N/A 9.25 in | Bore (B) N/A Specified by purchaser | Approximate Weight N/A 380 lb | Bolt Circle (C) N/A 14.50 in | Number of Holes N/A 8 | Diameter of Holes N/A 2.13 in |
| 082500WNAN | Nominal Pipe Size N/A 8 | Outside Diameter (O) N/A 21.75 in | Thickness (T) N/A 5.00 in | Raised Face Diameter (R) N/A 10.63 in | Length Thru Hub (Y) N/A 12.50 in | Point of Weld (A) N/A 8.63 in | Hub Diameter (X) N/A 12.00 in | Bore (B) N/A Specified by purchaser | Approximate Weight N/A 580 lb | Bolt Circle (C) N/A 17.25 in | Number of Holes N/A 12 | Diameter of Holes N/A 2.13 in |
| 102500WNAN | Nominal Pipe Size N/A 10 | Outside Diameter (O) N/A 26.50 in | Thickness (T) N/A 6.50 in | Raised Face Diameter (R) N/A 12.75 in | Length Thru Hub (Y) N/A 16.50 in | Point of Weld (A) N/A 10.75 in | Hub Diameter (X) N/A 14.75 in | Bore (B) N/A Specified by purchaser | Approximate Weight N/A 1075 lb | Bolt Circle (C) N/A 21.25 in | Number of Holes N/A 12 | Diameter of Holes N/A 2.63 in |
| 122500WNAN | Nominal Pipe Size N/A 12 | Outside Diameter (O) N/A 30.00 in | Thickness (T) N/A 7.25 in | Raised Face Diameter (R) N/A 15.00 in | Length Thru Hub (Y) N/A 18.25 in | Point of Weld (A) N/A 12.75 in | Hub Diameter (X) N/A 17.38 in | Bore (B) N/A Specified by purchaser | Approximate Weight N/A 1525 lb | Bolt Circle (C) N/A 24.38 in | Number of Holes N/A 12 | Diameter of Holes N/A 2.88 in |
