Bronze Flanges - ASME/ANSI 300 lb
Flange diameters, thickness, bolt circles, numbers and diameter of bolts for ASME/ANSI B16.15 - Cast Bronze Threaded Fittings - 300 lb Bronze - Flanges with plain faces.
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ASME/ANSI B16.15 - Cast Bronze Threaded Fittings - 300 lb bronze flanges have plain faces with two concentric gasket retaining grooves between the port and the holes.
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| ANSI 300 lb Bronze Flanges | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Pipe Size (inches) | 1/2 | 3/4 | 1 | 1 1/4 | 1 1/2 | 2 | 2 1/2 | 3 | 3 1/2 | 4 | 5 | 6 | 8 |
| Diameter of Flange (inches) | 3 3/4 | 4 5/8 | 4 7/8 | 5 1/4 | 6 1/8 | 6 1/2 | 7 1/2 | 8 1/4 | 9 | 10 | 11 | 12 1/2 | 15 |
| Thickness of Flange (inches) | 1/2 | 17/32 | 19/32 | 5/8 | 11/16 | 3/4 | 13/16 | 29/32 | 31/32 | 1 1/16 | 1 1/8 | 1 3/16 | 1 3/8 |
| Diameter of Bolt Circle (inches) | 2 5/8 | 3 1/4 | 3 1/2 | 3 7/8 | 4 1/2 | 5 | 5 7/8 | 6 5/8 | 7 1/4 | 7 7/8 | 9 1/4 | 10 5/8 | 13 |
| Numbers of Bolts | 4 | 4 | 4 | 4 | 4 | 4 | 8 | 8 | 8 | 8 | 8 | 12 | 12 |
| Diameter of Bolts (inches) | 1/2 | 5/8 | 5/8 | 5/8 | 3/4 | 3/4 | 3/4 | 3/4 | 3/4 | 3/4 | 3/4 | 3/4 | 7/8 |
- 1 inch = 25.4 mm
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