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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

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.

ANSI 300 lb Bronze Flanges

Pipe Size
(inches)

1 ¼

1 ½

2 ½

3 ½

Diameter of Flange
(inches)

3 ¾

4 5/8

4 7/8

5 ¼

6 1/8

6 ½

7 ½

8 ¼

12 ½

Thickness of Flange
(inches)

17/32

19/32

5/8

11/16

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 ¼

3 ½

3 7/8

4 ½

5 7/8

6 5/8

7 ¼

7 7/8

9 ¼

10 5/8

Numbers of Bolts

Diameter of Bolts
(inches)

5/8

7/8